Flashcards for the E4 Aviation Electrician exam pulled from the published bibliographies for March 2013
You need to apply voltage to a power tool having a three-wire system.The receptacle is a two-wire type. To connect the tool to this voltage source, you should use an adapter with an external ground wire and connect it in which configuration?
Connect the safety ground to a good ground before plugging in the tool
What alloy is used to make most nonmagnetic tools?
If you are working on high-voltage circuits or around wires having exposed surfaces you should keep tools and equipment with metal parts a minimum of how far away?
What detirmines the intensity of an electrical shock?
If electrical equipment is to be repaired what action should be taken before beginning the work?
Lock out tag out (open breakers/fuses)
You are troubleshooting an electrical device that is not recieving any power. What is the first check you make?
Check for visible indications of trouble
What causes the most electrical/electronic work center accidents?
At the local level, you may insulate tools for use on what type of circuit?
When using copressed air to clean out fixtures and jigs, you should observe the proper safety precautions. Also, you should maintain the air pressure below what maximum value?
What color is the safety ground wire for electrical tools?
If one of your tools becomes worn, damaged, or broken, you should report this fact to what person?
Work center supervisor
When an aircraft anticollision light is operating on the flight line, it warns personnel of what potential hazards?
Engines are online
Why should a person not move about after receiving an electrical shock?
temporarily weakened heart
When you find a damaged power tool electrical cord, what action should you take?
Replace the cord.
An accident-free naval career can best be achieved by following what course of action?
Using a common sense approach to safety.
If you swallow gasoline, at action should you take?
Drink large amounts of milk or water and 4tbsp vegitable oil if available.
While using an electric drill, you experience an electrical shock. at condition is the most likely cause?
improperly grounded drill
What are the general classes of washers used in aircraft structures?
Plain, lock, and special
What type of logs are used by your division or department to maintain its supply inventory?
What term is used to describe the direction of the airstream in relation to the airfoil?
T/F - Water is most efficient when it absorbs enough heat to raise its temperature to a boiling point, and then changes to steam that carries away the heat, which cools the surface temperature.
What factors limit the number of sailors who can be advanced to petty officer?
The number of vacancies that exist in each rate and rating
One octal digit is represented by how many binary digits?
What is the unit of measurment for inductance?
What type of coupling is most useful for impedance matching?
Serious hearing damage may occur to unprotected ears if the DB level is greater than what maximum level?
Which of the following is a universally mounted gyro?
A two-degrees-of-freedom gyro
What color is the 6-inch band around the top of a fire extinguisher on the flight line painted to identify halon?
When a photodiode is exposed to an external light, what happens to (a) resistance and (b) current? (increases/decreases)
a) decreases (b) increases
a basic gas turbine engine consists of what total number of major sections?
where does a nickel-cadmium battery get its name from?
The composition of its plates
in 1971 the navy received the new CH-53A Sea stallion helicopter. This helicopter is devoted exclusively to what mission?
In the second letter designation for the mission of guided missiles and rockets, what does the letter E signify?
Military cash awards program (MILCAP) provides monetary recognition of up to what maximum amount?
Leaders who would rather do the job themselves, set high standards, expect self direction, and have trouble delagating authority exercise what leadership style?
T/F - In composite aircraft construction, boron fibers pose less of a problem to unprotected electrical equipment than carbon or graphite fibers.
How does an ammeter affect the circuit being measured?
It acts as a resistance in series and lowers the circuit current.
What rating makes visual and instrumental observations of weather and sea conditions?
AG Aerographers Mate
Latex rubber is a high grade compound consisting of what percentage of unmilled grainless rubber?
What is the maximum range of the M14 Rifle?
What are the two types of electronic counter measures?
Active and Passive
When you are attending department meetings remember to check what before the meeting?
The spectrum analyzer is used to display which quantities?
Amplitude within each frequency component in a circuit, Proportions of power within each frequency component in the spectrum, and the Frequencies produced in a circuit
What is caused by local action in a cell?
Impurities rise to the top of the electrolyte
In the first letter designation for launching guided missiles and rockets, what letter signifies multiple launch environments?
When reverse bias is applied to the gate lead of a JFET, what happens to (a) source-to-drain resistance of the device and (b) current flow? (increase/decrease)
(a) increases, (b) decreases
On a vernier micrometer, the ten spaces on the vernier are equivalent to how many spaces on the thimble?
Under the navy's policy for drug abusers, which of the following actions is taken if a po2 commits a drug abuse offence?
AC can be defined as current that varies in
aplitude and direction
what component causes a generator to produce a dc voltage instead of an ac voltage at it's output?
the input frequency of a half wave rectifier is 120hz, what is the output voltage of the rectified DC?
In an rf amplifier an unwanted signal is coupled through the base-to-collector interelectrode capacitance, this problem can besolved by providing feedback out of phase with the unwanted signal. What is this technique called?
Restorative work performed on an item of support equipment is considered what type(s) of work?
Rework and upkeep maintenence.
Which city is the home port of the soviet black sea fleet?
What type of caliper is used for finding shaft centers or locating shoulders?
a hermaphrodite caliper
What are the two parts of the individual survival kit contained in the SV-2 survival vest?
medical and general survival kits
what oscillator uses split capacitors for feedback?
what are the two elements of a ships organization?
battle organization and administrative organization
a molecule is the smalles possible particle that retains the characteristics of what substance?
if 20% of your people are causing 80% of your problems, how much of your administrative time can you expect to spend dealing with this same 20% ?
when you solder or hot-wire strip fluoroplastic insulated wire, what safety precautions should be observed?
Maintain good ventilation
what type of feedback is provided if the feedback signal is out of phase with the input signal?
who is responsible for NATO's offensive and defensive capability inthe norwegian and mediterranean seas?
What term is used to indicate current gain in a common-emitter configuration?
The westinghouse 19a jet engine was developed for the navy in what year?
The number of electrons in the outer most shell of an atom determine what characteristic of the atom?
What was the name of the worlds first nuclear-powered aircraft carrier?
How many degrees of rotation are provided for the superstructure on theA/S32M-14 aircraft maintenance crane?
What is the speed limit for vehicles operating on runways, taxiways, parking areas, ramps, and working areas?
aircraft are assigned a spotting sequence for launch based on what criteria?
aircraft type, mission, and catapult
when is a knotted tap joint normally used?
when a branch circuit is joined to a continuous wire (main wire)
on a metric micrometer, one revolution of the spindle advances orwithdraws the screw what distance?
the enhancement mode MOSFET (a) uses what type of bias and (b) has what type of doped channel to enhance the current carriers in the channel? (forward/reverse, light/heavy)
most amplifiers can be classified in what ways?
function and frequency response
Most parachute canopies are manufactured in different colors. What total number of colors are used?
Advising the commanding officer in planning, organizing, directing,and executing a sound financial system that will contribute to the efficient, economical, and effective management of the station is a function of what department?
What term applies to the power loss in an iron core inductor due to the current induced in the core?
What percentage of tin is used in alloy lead sheathing?
What type of equipment should be used as a source of breathing air ONLY in emergency situtions?
Oxygen breathing apparatus (OBA)
What rating maintains and repairs gasoline engines and associated automotive systems?
What is the primary purpose of decoy flares?
Used during evasive maneuvers against heat seeking missiles
Dye markers will be a good target up to what maximum amount of time?
What is the primary function of the stabilizers?
To keep the aircraft flying straight and level
How many pounds of buoyancy does the bladder support on the flight deck life preserver?
What axis does the aircraft pivot on when it increases its angle of attack?
On march 1948 the navy's first jet carrier landing was made on what aircraft carrier?
When does mutual inductance occur between two inductors?
when the effect of one conductor is aided by the other
A single voltage divider provides both negative and positive voltages from a single source voltage through the use of a ground where?
between the two dividing resistors
What number of sections make up a gore on a parachute canopy?
Which factors affect rotor rigidity?
Weight, shape, speed
Normally most coils have cores composed of
Air or soft iron
Immediate compliance to orders, tight job control, and numerous detailed reports on jobs are characteristics of what leadership style?
The navy purchased its first aircraft on what date?
May 8, 1911
What is an ohmmeter used to check?
Electrostatic lines of force radiate from a charged particle along what type of lines?
Which location on the analog meter scale provides the most accurate reading for resistance?
Near the center
What safety precaution should be taken when a voltmeter is used?
Deenergize the circuit before connecting the meter
What methods may be used to tune an LRC Frequency determining network to a different frequency?
Vary the capacitance and inductance
What size canopy is used in the NES type parachute?
An operations maintenance division is normally established at a naval air station that has at least how many aircraft assigned?
A thermocouple ammeter is used to measure what quantity?
A servo is normally designed to move (a) what type of load to (b) what type of positions? (large/small) (approximate/exact)
(a) Large (b) Exact
Resistance bears which, if any, of the following relationships to conductance?
a reciprocal relationship
Which of the following types of circuits are most affected by the loading effect of voltmeters?
What is the Support Equipment Operator’s License commonly known as?
In severe cold weather environments, aircraft canopies should not be locked in the landing area because they will freeze "closed" and prevent brake rider protection. T/F?
Maintenance managers need current status information to control the maintenance effort. What system is designed to provide maintenance managers with this information?
The current in the interpoles of a dc motor is the same as the
How does the UJT differ from a conventional transistor?
The UJT has a second base instead of a collector
What is the purpose of the small hook on the double rescue hook?
Handling light cargo
To conduct, how must a photodiode be biased?
Which of the following screws are used to hold gears on a shaft?
describe the magnetic field surrounding a current-carrying conductor
It is perpendicular to and equal along all parts of the conductor
One L/R time constant is equal to the time required for the current in an inductor to reach what portion of its maximum value?
Compressor stalls may be eliminated by using what systems?
Compressor bleed-air system and variable vane system
What instrument can be used to measure distances beyond the range of calipers?
If a fluorescent light is to be attached to a branch circuit, which splice should normally be used?
A fixture joint
Shock encountered in landing, taxiing, and takeoff of all naval aircraft is absorbed by what agent(s) or components in shock struts
Nitrogen and hydraulic fluid
A tuned-base Hartley oscillator is described as "shunt fed" when
dc does not flow through the tank circuit
What method is used to automatically inflate the one-man life raft contained in the RSSK?
Upon separation from the RSSK a drop lanyard will inflate the raft.
AN bolts come in what total number of head styles?
What waveform could be the output of the astable-multivibrator?
a rectangular wave
A standard micrometer screw has what number of threads per inch?
What does the size of a micrometer indicate?
The size of the largest work it will measure
In a dc position servo system, what characteristic of the error signal determines the direction in which the load is driven?
Which system is responsible for naming, describing, classifying, and numbering all items carried under centralized inventory control by DoD and civil agencies of the federal government?
You are measuring the speed of a fan blade by using a stroboscopic-tachometer. Setting the flash at a rate 5 rpm SLOWER than the fan speed will cause the blades to appear to move (a) in what relative direction and (b) at what speed? (forward/backward)
(a) Backward (b) 5 rpm
What division provides clerical services for the AIMD?
What devices are magnetic error detectors?
Bar magnets should be stored in what manner?
In pairs with a north pole and a south pole together
Logic is the development of a reasonable conclusion based on known information T/F?
What relation should the grip length have to the materials being bolted together
it should be equal to the thickness of the bolted materials
The empennage of the aircraft consists of what sections?
Vertical and horizontal stabs, rudder, and elevators
In a galvanometer, the phosphor bronze ribbon serves what functions?
provides conduction path from circuit tested to coil, restores coil to original position, and allows the coil to twist
What is a basic oscillator?
A nonrotating device producing alternating current
Alternators are rated using which term?
In a parallel-resonant circuit, 'Q' is used to figure which of the following circuit values?
circulating tank current
What assembly operates the ailerons and elevators on a multi engine fixed wing aircraft?
The Yoke and wheel assembly
When a wire has been properly stripped and is to be soldered to a connector, what total length of the exposed wire should be tinned?
Regular hard hats must be insulated so that personnel may be protected from voltages up to what maximum amount?
The ammeter with the greatest sensitivity has what characteristics?
The lowest amount of current for fullscale deflection indication
On what date is periodic performance evaluations submitted for E-5 personnel?
Which breakdown theory explains the action that takes place in a heavily doped PN junction with a reverse bias above 5 volts?
What command's mission is to organize, train, and equip computer and telecommunications activities?
Who has the responsibility of scheduling workloads to ensure the efficient movement of all aircraft and parts through the AIMD?
Secondary air is used in the combustion chamber for what?
To dilute and cool the hot gasses
When directed drift occurs, at what speed does it take place?
186,000 miles per second
How can the direction of rotation be changed in a DC motor?
By reversing either the armature connections or the field connections.
A dye marker can be seen by aircrewman in an aircraft flying at 3,000 feet for what approximate distance?
Where is the water and AFFF mixed on the P-4A aircraft fire fighting vehicle?
Mixed in the venturi inductors
The nonself-reading, high-range casualty dosimeter measures what maximum amount of gamma radiation?
The semiconductor doping impurities— arsenic, antimony, and bismuth—are classified as what type of impurities?
What may contribute to wheel assembly fires?
Grease, tire rubber, hydraulic fluid
What class of amplifier has the highest efficiency?
As a helicopter's rotor turns in one direction, the body of the helicopter tends to rotate in the opposite direction. What law of principle explains this action?
Newton's third law.
Why are the units (plates) of the metallic rectifier stacked?
To prevent inverse voltage breakdown
What type of rivnuts are used on sealed flotation or pressurized compartments?
How many safety straps are incorporated on the forest penetrator?
What determines the spacing of the suspension lugs used with general purpose bombs?
The size of the bomb
When are sea bag inspections required for E-3 and below personell?
What type of indicating device is usually installed in the stator circuit of a torque synchro system?
an overload indicator
The FOCUS control on the front of an oscilloscope is used to adjust what characteristic on the CRT display?
The Beam size
Modern number systems are built around what components?
Unit, number, and radix
What is the principal use of the oscilloscope?
To visually examine waveforms
In a dc motor, the neutral plane shifts in what direction as the result of armature reaction?
In the direction of rotation
If the output of a circuit should be a representation of less than one-half of the input signal, what class of operation should be used?
Before replacing a fuse, you should check for which of the following conditions?
Proper fit, proper fuse
Troubleshooting electrical and electronic equipment includes what actions?
After a naval message has been prepared and signed by the drafter, which person releases the message?
The delegated releasing officer
What circuits are most commonly used as frequency determining devices?
The ability of an aircraft to perform its mission was changed by alteration without regard to flying hours. What type of maintenance is this?
When a gun salute is prescribed on arrival, it is fired as the visitor approaches and is
still clear of the side
What term describes the use of four binary digits to represent one decimal digit?
The hollow form of the non magnetic material found in the center of an air core coil has what purpose?
to support the windings
Multi-engine aircraft are usually tied down at how many points?
Motor reaction in a dc generator is a physical force caused by the magnetic interaction between the armature and the field. What effect, if any, does this force have on the operation of the generator?
It tends to oppose the rotation of the armature
What device is similar in operation to a photodiode?
What is the function of the inner cone in the exhaust section?
To eliminate exhaust gas turbulance.
What types of insulation are best suited for use in a high temperature environment?
FEP, silicone rubber, and extruded polytetrafluoroethylene
What happens to capacitive reactance when frequency decreases?
What type of caliper contain a straight measuring rule?
Slide calipers (think slide rule)
The power consumed in a conductor in realigning the atoms which set up the magnetic field is known as what type of loss?
Electrostatic lines of force are drawn in what manner?
Entering the negative charge, leaving the positive charge.
What is the survivor's rescue strop commonly called?
In logic probes what is used as an indicator?
Compared to the VOM, the electrical digital multimeter has what advantages?
Higher imput impedance, can be read directly without using a scale, and has little or no loading effect on the circuit under test.
The common collector is also referred to by what term?
The examples AB=BA and A+B=B+A represent which boolean law?
The Q of a circuit is a measure of circuit
When you are advanced how does your value to the navy increase?
Both as a specialist in your rating and an increased value to train other personnell
T/F - To maintain public confidence in its integrity, all naval personnel must comply with the standards of conduct and professional ethics.
Which has a higher capacitance when used as the dielectric in a capacitor: Glycerine or Water?
What factors detirmine the insensity of a magnetic field surrounding a coil?
Amount of current, type of core, number of turns/winds.
Electrostatic lines of force radiate from a charged particle along what type of lines?
The phosphor bronze ribbon in the galvanometer serves the same purpose as what component in the D'Arsonval meter?
What terms are equal to
What are characteristics of a Zener diode?
it is a PN-junction diode
it has an avalance effect
it uses the Zener effect
What data does the INS (inertial navigational system) provide to the overall tactical system?
Distortion caused by amplifier saturation can be reduced by using what type of feedback?
In an oscilloscope, what waveform characteristics are represented by (a) vertical deflection and (b) horizontal deflection?
What publication should be used to determine the wire identification system for a specific piece of equipment?
The technical manual for the equipment
the MK8 Mod 5 bomb shackle is used on what type of aircraft?
During all operations of the turboshaft engine, automatic protection is provided for what malfunctions?
Turbine overspeed, compressor stall, combustion flame out, and turbine overtemperature
Which type of leave is NOT charged to you?
The number of pole pairs required to establish a rotating magnetic field in a multiphase motor stator is determined by which of the following factors?
The number of phases
The reading of a wattmeter is dependent upon what circuit characteristics?
What is an in-circuit meter used for?
to monitor the circuit operation
The coil in a galvanometer rotates to allow measurement of current. What action causes this reaction?
Magnetism of the permanent magnet and magnetism produced by current in the movable coil.
An imaginary line used to illustrate a magnetic effect is known as
a magnetic line of force
A Mk 80 star flare cartridge has a minimum burn duration of 4 1/2 seconds and can be launched up to how many feet?
To measure shaft rotation rate on an engine, you should use which instrument?
Areas within a command requiring varying degrees of restriction of access, control of movement, and type of protection required for classified material are known by what collective term?
Alchoholism is often...
slow to be recognized
What are the major components on the TMU 70/M oxygen storage tank?
By what means is lift controlled in a helicopter?
by varying the pitch or angle of attack of the rotor blades
What unit is used in measuring the turning force of a synchro?
The coefficient of coupling between two coils is a measure of what factor?
The magnetic flux ratio linking the coils.
What personnel are subject to participation in the urinalysis testing program?
All enlisted and officer personnel regardless of rank or age
What is the consistency of the electrolyte in a dry cell?
What marking or bolt dimension indicates the material of which standard bolts are made, and if it is a close-tolerance bolt?
Electrical workers requiring head protection must wear safety helmets which are capable of withstanding what minimum voltage proof- test?
What is an advantage of a volt-ohm meter?
it cannot be damaged
What are the two basic types of alternators?
Rotating field and rotating armature
What are the main structural members of the wing?
During synchro alignment what is the purpose of the coarse setting?
To ensure a setting of zero degrees rather than 180 degrees
Inductors experience copper loss for what reason?
Because all inductors have resistance which dissipates power
What deck fitting is NOT found aboard ships?
Because of the potential hazards to personnel, what additional protection is necessary for personnel to combat composite fibers resulting from an aircraft fire?
When can you use a DC ammeter to measure ac values?
Upon pilot ejection how many methods are there for parachute deployment?
On March 1948, the Navy's first jet carrier landing was made on what aircraft carrier?
the USS Boxer
What division is charged with the operation and upkeep of the aircraft carrier's aviation fuel and oil transfer system?
When an aircraft is catapulted from an aircraft carrier, the holdback assembly is used for what purpose?
to secure the aircraft to the deck
A drug abuser who suffers long periods of time without sleeping or eating is probably abusing what types of drugs?
What is one of the busiest, most important and dangerous divisions in a squadron?
To measure a piece of stock that is approx. 3.25 inches you will need a micrometer with what range?
3- to 4-inch range
When a synchro transmitter is in the zero-degree position, the rotor is aligned in what manner?
With winding S2
What is the main advantage of a shunt motor over a series motor?
A shunt motor stays at a more constant speed under varying load conditions than a series motor does.
how many sections are in the MIL-STD-1812 engine?
The current in the interpoles of a dc motor is the same as the
Circuit protection devices are used for what purposes?
To guard against hazardous conditions
What division is charged with the operation and maintenance of catapults and arresting gear on an aircraft carrier?
What parachute part pulls the main canopy fro the container upon ejection?
The outomatic opening device
What system provides continuous glide path information and places major control of the aircraft into the hands of the pilot?
FLOLS - Fresnal Lens Optical Landing System
What is the primary rescue device used in helicopter rescues?
The hoisting cable and double rescue hook
A material whose resistance remains constant as the temperature increases has what temperature coefficient?
What does a shifting center of pressure do to a rotor blade?
It causes it to move up and down uncontrollably
In addition to friction, magnetism, and chemical action, which methods can be used to produce a voltage?
What term defines the capacity of a soldering iron to generate and maintain a satisfactory soldering temperature while giving up heat to the joint being soldered?
What type of agents are used to produce temporary misery and harassment?
What is the primary mission of the Soviet navy?
To provide support for soviet land-based forces
What person is responsible for determining the safe entry of personnel into closed or poorly ventilated spaces?
The gas free engineer
What is the decimal equivalent of one mil
The frames of micrometers are available up to what maximum size?
Assisting the safety officer in keeping the safety program visible to all hands is the responsibility of which of the following groups?
Division Safety Petty Officers
What types of synchro devices have (a) one electrical and one mechanical input and an electrical output; and (b) two electrical inputs and one mechanical output?
(a)TDX (b) TDR
What type of dielectric is LEAST sensitive to power dielectric-hysteresis losses?
What is the working load of the Aero full power tie-down assembly?
Designation of switch current rating is based on what current (amperage) value?
From the time it is activated, each cylinder used in the self-contained breathing apparatus (SCBA) will last approximately what length of time?
The collector load resistor is represented by what symbol?
Wave generators are classified according to their
output wave shape
What engine component is the exhaust gas temperature measured from?
A substance with an excess of electrons is considered to be in what electrical state?
What is the rated capacity of the A/M27T-5 hydraulic portable power supply?
20 gpm at 3,000 psi and 10 gpm at 5,000 psi
The inner cone is attached to the outer cone by what means?
Streamlined vanes called brace assemblies
Meter sensitivity is determined by the amount of current required by the ammeter coil to provide full-scale deflection of the pointer. An ammeter coil requiring which of the following current values provides the greatest sensitivity?
What fire extinguishing agents are carried on the P-19 fire fighting truck?
Water, foam, and Halon 1211
What household device uses magnetism?
What person is responsible for odereing all departmental PQS material?
the PQS Coordinator
What short-to-medium range guided missile is designed to be launched from helicopters at low air speeds and altitudes?
Torsional deflection in a turboprop engine is an indication of what variable?
Common tapes and rulers are usually NOT marked smaller than what fraction of an inch?
When maintenance personnel are not authorized to make repairs to a piece of test equipment, what items, if any, must be sent to the calibration repair facility with the equipment?
All of the accessories
What series helmet is designed for all helicopter aircrew members?
The output level meter of a signal generator reads 0. 10 with the attenuator set to 080. 0. What is the actual output in microvolts?
How are fixed capacitors classified?
By their dielectric materials
What color is most support equipment painted?
Yellow and White
T/F - The forest penetrator can be used for land and sea rescue operations
What pub governs the Support Equipment Operator Trainging and Licensing Program?
the NAMP - 4790.2b
An accurate measurement of a particular resistor in a set of parallel resistors may be obtained by performing what procedural steps?
Disconnecting the resistor from the set before taking the measurement.
Which of the following is the purpose of the armed forces ID card under article 17 of the Geneva Convention?
As a means of identification for POW's
If a check flight is required after a completion of corrective ation, notification must be given to what individual?
The quality assurance division officer
The hairsprings in a d'Arsonval meter movement perform which of the following functions?
They make electrical connections to the meter movement
Maintenence performed on aircraft or equipment to improve its specific function is known as what type of maintenence?
Special Rework Maintenence
What color is the smoke that is emitted from the day end of the Mk 124 Mod 0 marine smoke and illumination signal?
In a basic oscilloscope, what is the purpose of the deflection system?
To position the beam on the screen
Flip-flops may NOT be used for what operation?
What two properties must a solvent have?
What is considered to be the heart of a gas turbine engine fuel system?
the Fuel control
To figure the total value of series resistance needed to extend the range of a voltmeter, you need to know the calue of current to cause full-scale deflection of the meter and what other value?
Maximum applied current
What is corrosion?
Corrosion is the electrochemical deterioration of a material or its properties due to its chemical reaction with the surrounding environment. This reaction occurs because of the tendency of metals to return to their naturally occurring state.
T/F - Cathodes are succeptable to corrosion.
T/F - Anodes are succeptable to corrosion.
T/F - Electricity flows through metal from the cathode to the anode.
T/F - Electricity flows through electrolyte (fresh or sea water, gasses) from the cathode to the anode.
What type of charge does a cathode carry?
What type of a charge does an anode carry?
What is galvanic corrosion?
Corrosion caused by the dissimilarity of two metals
What color is the corrosion on aluminium?
Gray or white powder
What color is the corrosion on nickel?
Green powdery deposit
What color is the corrosion on copper?
Blue or green
What color is corrosion on carbon and steel?
What color is the corrosion on silver?
Brown to black film (think tarnished silver)
What color is the corrosion on gold?
Darkening on reflective surfaces, appears to be more dull
What are three extremely corrosion resistant metals/alloys?
What are three metals that are extremely succeptable to corrosion?
What type of corrosion is it when a large area is evenly worn and the metal gets thinner and thinner until it fails?
What type of corrosion is characterized by an uneven surface or holes in the metal?
What is intergranular corrosion?
An attack on the grain boundaries in a metal, similar as in wood, and it peels and breaks like bricks separating.
What is exfoliation corrosion?
Advanced intergranular corrosion
What is crevice corrosion?
Where two surfaces meet and corrosion takes place at the union.
What type of corrosion is characterized by worm-like markings and is created organically?
First General Order
To take charge of this post and all government property in view.
Second General Order
To walk my post in a military manner, keeping always on the alert, and observing everything that takes place in sight or hearing.
Third General Order
To report all violations of orders I am instructed to enforce.
Fourth General Order
To repeat all calls from posts more distant from the guardhouse than my own.
Fift General Order
To quit my post only when properly releived.
Sixth General Order
To receive, obey, and pass on to the sentry who releives me all orders from the commanding officer, command duty officer, officer of the deck, and officers and petty officers of the watch only.
Seventh General Order
To talk to no one except in the line of duty.
Eighth General Order
To give the alarm in the even of fire or disorder.
Ninth General Order
To call the officer of the deck in any case not covered by instructions.
Tenth General Order
To salute all officers and all standards not cased.
Eleventh General Order
To be especially watchful at night, and, during the time of challenging, to challenge all persons on or near my post and to allow no one to pass without proper authority.
Name the three parts of the Deadly force triangle.
Define Deadly Force.
That force which a person uses which he or she knows or should know creates a substantial risk of causing death or serious bodily harm.
What rating maintains aircraft engines and related systems?
What type of motor is widely used to power small appliances?
The first aviation enlisted rating established pertained to what type of work?
In a differential voltmeter, an adjustable reference voltage can be produced in increments as small as how many microvolts?
A star washer may be used how many times?
On a standard schematic what symbol is used to disignate an LED
A diode with two arrows pointing away from the cathode.
In what year was the airman rate established?
What color code identifies armor defeating ammunition except with underwater ordnance?
The department of the navy falls under the authority of a cabinet post. This cabinet post is manned by what person?
The Secretary of Defence
A technical directive status code consists of how many characters?
What rating is usually responsible for the installation of cartridges and CAD's as used in personnel escape systems?
A survey team is made up of what minimum number of personnel?
When non insulated splices and lugs are insulated what types of insulation are most commonly used?
Spaghetti and Heat shrinkable tubing.
When electrical and electronic components are soldered what type of flux must be used?
An ohmmeter is capable of measuring different ranges because of what components?
What type of AC motor is most widely used?
What division responsible for aircraft on the hangar deck?
In the absense of the commanding officer in port, who is primarily responsible for the safety and proper operation of the unit?
Officer of the Deck
A reaction to engine torque creates what kind of stress on the aircraft fuselage?
What action will charge a secondary cell?
Connecting the negative terminal of a voltage source to the cathode of the cell, and connecting a positive terminal of the voltage source to the anode of the cell.
When measuring unknown currents, you should detirmine the range scale in what way?
The highest selectable current scale range on the meter, working your way down.
What is the common name for enamel insulated wire?
By what means are most aircraft air compressors driven?
In an AC circuit, how does inductive reactance respond to an increase in applied frequency?
Inductive reactance increases.
What is the prime reason for accidental shootings?
Negligence or carelessness.
What happens to a zener diode that has a reverse bias slightly higher than the breakdown voltage?
The zener acts as a short circuit.
Based on the ships overall manpower, how are TAD requirements usually allocated?
What is the force created by a proppeller, jet engine, or helicoptor rotor?
A fuse current rating tells you the maximum current that...
will flow through the fuse without opening it.
What type of amplifiers have both high and low frequency response limitations?
Prior to working on a circuit, you use a shorting probe to discharge what types of components?
Capacitors and cathode ray tubes.
What is the tactical mission of the AIM-7F Sparrow III guided missile?
To intercept and destroy enemy aircraft.
What action will increase the capacitance of a capacitor?
Moving the plates closer together.
What type of rotor can be composed of a single winding or three Y-connected windings?
Drum or wound
Logic families are identified by what means?
the types of elements used
Distortion of main field interaction with the armature field can be compensated for with the use of
What class of washer is used under a lock washer to prevent damage to a surface composed of a softer material?
In an organizational code, the julian date, sequence number, and suffix are part of what code or control number?
JCN - Job control number
When rubber is used as insulation over a copper conductor, why is a thin layer of tin used between the two materials?
to prevent chemical action from taking place between the copper and rubber.
Why are shaded-pole motors built only in small sizes?
they have weak starting torque.
What is the purpose of mobile air conditioning units?
to alleviate the need to run the aircraft engines for long periods of time.
What condition presents the largest danger to a transistor?
What is the total number of main components in a circuit breaker?
When a 115v power source is used during the alignment of a differential syncro, what is the maximum time the circuit can be energized without causing damage to the syncro?
Maximum power is transferred from a source to a load when the value of the source and load resistance has what relationship?
Equal resistance on source and load
What elements must be present for a fire?
What term is used to indicate current gain in a common collector configuration?
The metric system is based on what multiples?
Multiples of Ten
The power of a number is indicated by its
The direction of the induced voltage in an inductor can be found by applying what rule?
The left-hand rule for generators.
What name is given to the outermost shell of an atom?
the Valence Shell
What type of cable has two or more conductors twisted together?
a twisted cable
Capacitance and Inductance are similar in what way?
both cause the storage of energy
Why are solvents used in the soldering process?
To remove contaminants from the soldered connection.
Which direction is safety wire installed?
The direction that allows the tension of the wire to tighten the bolt.
What material is used to make structural screws?
What term is used to indicate current gain in a common base configuration?
What agency is responsible for reducing the threat to the United States and its allies from nuclear, biological, chemical, and other special weapons?
The Defense Threat Reduction Agency.
What is the purpose of trim tabs?
To maintain aircraft balance
What term is given to the action that takes place within a cell?
How many minutes before sunset should the ship anchors light be tested?
What are the two most obvious differences between the two types (AC/DC) of ohmmeters?
The scales of the meters
What happens to inductive reactance as frequency increases?
What is the purpose of the green conductor in the cable of a power tool or electric appliance?
To prevent electrical shock to the operator.
What is a disadvantage of nose wheel steering on multiengine aircraft?
Limited turning radius
What causes the cathode to be 'eaten away' in the primary cell while the cell is discharging?
The material of the cathode combines with negative ions to create a new substance.
The feathering of paint edges of chipped or scraped areas should be done with what tool?
Construction of the navy's first destroyer began in what year?
A photodiode acts as what type of device?
A variable resistor
What is the difference in the application of the two types of synchros?
Light versus heavy load.
What type of feedback opposes an input signal?
What are three types of AC motors?
The AGM-65E Maverick uses what type of guidance?
What is the relationship to total current in a (A) Series, versus a (B) Parallel circuit?
What system provides organizational and intermediate maintenence activities with a computer based management information system?
What is the total number of connections on a diode?
What type of ignition system has been universally accepted for use in a gas turbine engine?
High energy, capacitor
What does the term 'safetying' mean?
Securing the aircraft fasteners so they will not work loose.
What two modes are used to obtain dual trace on an oscilloscope?
Chop and alternate
What instrument is used to check transistors for current leakage and current gain?
The Semiconductor Test Set
Angle plates are used for what purpose?
For clamping or holding work vertically.
At what temperature does liquid oxygen turn or boil into gaseous oxygen?
-297 Degrees F
What is the recommended procedure for cooling overheated wheel, brake, and tire assemblies?