Sending a message on several frequencies at once is an example of which of the following transmission types?
What type of diversity uses physically separated transmit and receive antennas to improve communications?
Communications links have many modes of operation. One terminal in a link has its equipment setup in simplex. The other terminal is using two channels or frequencies in a configuration that allows sending and receiving of different messages at the time. These two terminals working together make up what mode of operation?
A transmitted electromagnetic wave enters an antenna, induces a voltage into it, and passes that voltage to a receiver. What is this chain of events called?
When a receiver picks one frequency out from all other frequencies, it’s performing which of the following basic functions?
When a receiver separates the audio frequencies from the radio-frequency carrier it is performing which of the following basic functions?
The receiver action of converting electrical energy to a usable format, such as sound, is an example of which of the following basic functions?
Which of the following measurements provides an indication of the ability of a receiver to reproduce weak signals?
Overall sensitivity of a receiver is limited by which of the following factors?
How is a receiver’s ability to reject unwanted signals and receive desired signals determined?
The IF in a receiver is produced by which of the following methods?
The process of heterodyning takes place in which of the following receiver circuits?
The process of simultaneous transmission of several intelligible signals on the same frequency during the same period of time is called?
Which of the following categories of electromagnetic interference includes interference generated by electrically charged raindrops?
Which of the following methods of reducing rf burn hazards is the most useful and widespread technique used?
Bond and ground all metallic objects
The greatest hazard from thermal effects appears to come from equipment operated in which of the following frequency ranges?
1 to 3 gigahertz
You have been working on a piece of equipment and your eyes have been exposed to high-intensity microwaves. Which of the following types of eye problems may occur?
In a line of sight communications system, propagation is affected by which of the following layers of the atmosphere?
Who was awarded both the medal of honor and gold life saving medal?
Marcus Hanna, he served at Cape Elizabeth Light
What is the reference for CSMP’s?
In what war did the Eagle re-capture 2 American vessels?
The Quasi-war, the vessels were the Nacny and Mehitable
What is not a factor on control/multiconductor cable?
How often is portable test equipment checked?
Category B Navy FBR’s should be mailed to?
Tie wraps on a cable bundle are how far apart?
2.5 times the diameter no more than 10 inches apart
What reference is used for inspecting a workbench?
What should the resistance be between the metal case and ground on a power tool?
A workbench breaker is rated at how many amps?
What are shorting probes rated for?
How are cables run on a cutter for battle damage reasons?
Inside frames and along cable trays
How often are direction finders calibrated?
Every 12 months
What determines the weekly PMS schedule?
What are the different cable classifications?
Passive, Active, and Susceptible
A direction finder must be re-calibrated if it is off by how many degrees?
How long can someone work inside the PEL while a miniloop antenna is energized?
Multiconductor cable is bad when measured less than how many ohms between conductors?
Guy wire turnbuckle should have a what through it?
A safety wire
When megging an antenna what is a good reading?
200 mega ohms
Easiest way to get a better ground?
Drive rod deeper
High voltage signs need to be posted when voltages are over?
What spacing is required between active, passive and susceptible cables?
18 inches between active and passive and 2 inches between susceptible and passive
How close can you be to electronics with jewelry on?
How often is the lightning protection subsystem to be inspected?
Navy preventative maintenance card that tells you specifically how to do something?
Maintenance Requirement card
What type of field change furnishes documentation only?
A general court martial consist of?
A judge and at least 5 members
What is the advice code for an XB turn in items?
Who received the Navy Cross at the battle of Guadalcanal?
Raymond J. Evans
Where do allowance change requests go to?
Who was the first MCPOCG?
How long does it take a radar pulse to travel one mile (back and fourth)?
12.36 micro seconds
In what year where paygrades E-8 and E-9 created?
How do you address and O-8 in the Army, Air Force, or Marines?
How long are CSMP’s kept?
Ida Lewis was the caretaker of what lighthouse?
Lime Rock in Rhode Island for 39 years
What form number is allowance change request?
A single building with multiple power sources is grounded how?
All grounded conductors shall be grounded at the first service disconnect means of each source
What antennas are operated with one end grounded?
Who maintains CSMP’s on cutters?
To make changes to a CASREP what do you do?
Send a CASUPDATE
What type of field change furnishes documentation, parts, and special tools required to complete a change?
The first chiefs were?
Former life saving station keepers
What type of field change implements changes to technical documentation only and requires no alteration to the equipment?
Who should do test equipment audits?
Fire control tracking radar usually produces what type of beam?
Narrow and Circular
What type of servo has a feedback loop?
Seams in floor matting will be sealed at a minimum with?