CG Regs (46CFR) states that duties assigned to the crew by the station bill will:
Be comparable with their regular work.
While at your lifeboat station, you hear a signal consisting of one short blast of the whistle. This indicates:
Commence lowering boats.
What is the emergency signal for fire aboard ship?
Continuous sounding for more than 10 seconds on the bell and general alarm.
CG Regs (CFR46) stipulates that in addition to approved emergency signals, any additional emergency signals are:
Established by the master of the vessel.
In accordance with CG Regs, CG approved buoyant work vests should:
Not be stowed where they could be confused with life jackets in an emergency.
What must be carried out in order to launch and inflate an inflatable life-raft?
Push on the hydrostatic release, pull on the sea painter.
If you have to abandon ship and enter a life-raft, your main course of action should be to"
Remain in the vicinity of the sinking vessel.
Following a grounding, you can best determine that a slack fuel oil tank has been holed by:
Sounding the tank.
The knife edges and gaskets of watertight doors should be kept:
Clean and uncoated.
Which of the following statements describes the correct procedure for closing a watertight door?
1 dog opposite hinge side, 2 dogs on the hinge side, then evenly tighten all remaining.
A flat block placed under the end ofa shore for the purpose of distributing pressure is referred to as a:
Which of the following methods is the correct way to fit shoring?
The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from:
Fuel containers used for refueling portable gasoline driven pumps and exceeding a capacity of 5 gallons should be stowed:
On or above the weather deck in locations disgnated by the master.
In the event of a fire, the doors to a stair tower must be closed to precent the spread of fire by:
The spreading of fire as a result of heat being carried throught a vessel's ventilation system is an example of heat transfer by:
Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignited by:
Heat radiated from the deck or bulkhead by the adjacent fire (conduction).
Which is susceptible to spontaneous combustion: Leather, Scrap Rubber, or Coal?
All of the above.
The most frequent cause of fire aboard tankers is due to:
Most fires aboard tankers and manned barges occur in which space?
Flame screens must be maintained in good condition and fitted in teh opening they protect in order to:
Allow dissipation of heat from any flame.
The device used for preventing the passage of flames into enclosed spaces is called a:
You are transferring FO from the storage tanks to the day tanks with an electric fuel oil transfer pump. If the pump motor catches fire, you would first:
Shut down power to the pump.
Fires resulting from escaping liquified flammable gases are generally extinguished by:
Stopping the flow of gas.
A definite advantage in the use of water as a fire extinguishing agent is its characteristic of:
Vaporization and rapid expansion as it absorbs heat.
A solid stream of water might be useful in fighting a burning oil fire on deck when it is used to:
Wash burning oil over the side.
According to CG Regs (46CFR), what firefighting device is NOT permitted for use in the engineroom?
All smooth bore firefighting nozzles.
A high vel. fog bozle will produce the most effective spray pattern when the water pressure is not less than what psi?
The high vel. fog tip used with the all purpose firefighting mozzle should always be:
Attached to the all purpose nozzle by a chain.
The correct name for the device shown is a/an:
The device shown and indicated by the letter "E" holds the:
Low vel. fog applicator in the all purpose nozzle.
The low vel. fog applicator used in conjunction with the all purpose firefighting nozzle should always be stored:
In the rack when not in actual use.
Prior to inserting a low vel. fog applicator into the nozzle shown, you must:
Remove the device indicated by the letter "D".
To prepare a low vel. fog applicator for use:
Replace the high vel. top with the fog applicator and pull the handle to the middle position.
Fire hoses shold always be stowed at the fire main in a manner that will allow:
The nozzle end to be run out to the fire.
A fire hose should be stowed in its rack with the:
All purpose nozzle attached.
Fire hoses located at protected fire stations must always be:
Connected to the fire hydrant.
A fire hose is subject to damage if the sqivel on the female coupleing is lubricated with:
Quick cleaning strainers are installed in the fire main system at indivisual fire hydrants to:
Prevent rust and foreign matter from entering the hoses and nozzles.
The device shown is used to:
Prevent foreign matter from clogging hoses and nozzles.
The firefighting equpment shown is a/an:
Mechanical foam nozzle.
What device must be used in conjunction with the portable in-line foam extinguisher to produce foam?
The mechanical foam nozzle.
To activate a foam type portable fire extinguisher, you must:
Turn the extinguisher upside down.
To operate a CO2 extinguisher having the type of head illustrated, you would:
Pull pin and open valve.
If a vsl is required by 46CFR to have eight B-11 CO2 exts, how many spare units must be carried?
CO2 can be dangerous under certain conditions because it can cause:
Burns and blistering.
The latch shown in the illustration is used to lock the:
Hose reel type CO2 horn in the open position.
46CFR state that any space containing charged CO2 cylinders shall be properly ventilated to prevent a temperature higher than:
A cylinder used for storing CO2 in a fixed fire fighting system must be hydrostatically retested and restamped every ____ years.
According to 46CFR, a 10pound dry chem ext. is equivalent to:
A 15pound CO2 ext.
In a cartridge operated dry chem type fire ext, when the CO2 cartridge is activated, the dry chem is released from teh ext. how?
With the squeeze grip on/off nozzle at the end of the hose.
What is true of #1 and #10 on the device illustrated?
#1 is for operatingthe valve.
#10 is for carrying the unit.
The unit below is pressurized and operated by:
Depressing the puncturing lever and squeezing the nozzle.
The small cylinder labeled #4 in the illustration contains what substance?
The equipment in the illustration is a:
Dry chem hose reel system.
Dry chem ext. agents are effective when used with which other agents?
Any other dry chem ext. agents.
Aqueous film forming firefighting foam is also known as:
What is true of AFFF (aka Light Water)?
AFFF controls the vaporization of flammable liquids by means of a water film.
AFFF, commonly known as "light water", is especially suitable for fighting what type of fires?
Oil fires in the engine room bilges.
What is true of Halon 1301 when compared to CO2?
The agent by weight is more effective than CO2.
What are 2 characteristics of Halon 1301?
It's a colorless and odorless gas.
Inspection of a Halon fire etx involves checking the hose, handle, nozzle, and:
Weighing of the extinguisher.
The principle personnel hazard unique to Halon fire exts is:
Inhaling toxic vapors produced when exposed directly to flame for extended periods.
In firefighting, the term "protecting exposures" means:
Taking measures to prevent the spread of fire from the involved compartment to an adjacent compartment.
When involved in fighting a fire aboard a ship with an aluminum superstructure, it is important to remember that aluminum structures exposed to high heat are more susceptible to:
Collapse than steel structures.
Actuating the fixed CO2 system should cause the automatic shutdown of the:
Supply and exhaust ventilation.
What should each person do if three crew members discover a fire together?
One man report the fire, one man fight the fire, and one man evacuate and secure the area.
To fight a large Class A fire contained in a closed compartment, the nozzleman should open a door enough to insert the hose nozzle and initially sweep:
A fog stream around the compartment.
WHen entereing a burning compartment and equipped with a fire hose and an all-purpose nozzle, you should first direct:
The high velocity fog at the overhead to absorb heat.
An initial attempt to extinguish a galley grease fire may be made by using:
The range hood ext. system.
To order new fire hose with the correct coupling thread, you should specify:
What is true of fire hoses used within the machinery spaces of cargo vessels, on which the fire main installations were contracted for on, or after, 26 MAY 1965?
The fire hoses must be of the lined type.
Portable CO2 fire exts. should be sent ashore to be recharged when?
when the remaining charge weight is less than 90% of the required weight.
A CO2 ext. has been partially discharged and should be immediately:
Tagged "empty" and stowed separately from charged exts.
How often must fixed CO2 fire ext. systems be inspected to confirm the cylinders are within 10% of the stamped full charge weight?
The stamped weight of a 100pound CO2 cylinder is 314pounds. What is the total minimum weight of the cylinder before it must be recharged?
You receive the record of cylinder weights shown in the illustration at the annual servicing of your ship's CO2 system. Which pair of CO2 cylinders needs recharging?
103 and 108.
What is true about the ext illustrated?
It can be recharged aboard ship.
The state of charge of a stored pressure type dry chem ext. can be readily determined by:
Visual inspection of the pressure gage.
The recommended equipment for a pumproom rescue aboard a tank vessel is a lifeline, harness, and breathing apparatus. The lifeline should be how long?
Longer than twice the depth of the pumproom.
The breathing apparatus shown may be suitable for use in atmostpheres that contain:
Toxic refrigerant vapors.
The canister typegas mask can be tested for tightness by convering the:
Bottom of the canister and inhaling.
What is true of an all service canister type gas mask?
An approved oxygen indicating device must be used in conjunction with the mask.
What is the maximum reliable shelf life of a filter gas mask canister if the seal is unbroken?
5 years from manufacture date.
Which type of SCBA device allows the user to remain in an oxygen deficient space for the longest period of time WITHOUT INTERRUPTION?
Direct compressed air supply.
*NOT demand type!*
What is a major advantage of the demand type SCBA?
It can be put into operation in about 45 seconds.
Which component is interchangeable between different backpack demand type SCBAs?
The air cylinder.
What is true regarding oxygen indicators or their use aboard vessels?
Prolonged exposure to gases such as CO may affect the accuracy of the indicator.
A high concentration of H2S gas is most likely to be found in which location?
Sewage compartment bilges where leaked sewage has accumulated.
The airborne concentraions of substances (such as H2S) under which nearly all workers may be repeatedle exposed without adverse effects are called:
Threshold limit values.
The flammable limits of benzene are 1.4% - 8% by volume in air. The instrument shown is used to sample a tank that had contained benzene and a 90% reading is obtained. What percentage of benzene vapor would be indicated at the sampling point?
By definition, which is an example of a combustible liquid: Lube Oil, Gasoline, Butane, or Benzene?
Which presents the greatest potential for an explosion: a full tank of MDO or a partially filled tank of MDO?
A partially filled tank of MDO.
If flammable vapors have penetrated a gas free space, what would be the most hazardous thing to do?
Open switches in the space to de-energize a system.
When chekcin the liquid level in a tank, you should position yourself where in relation to the wind?
At 90° to the wind direction.
Prior to loading/discharging bulk cargo, all sea valves should be secured and:
After ballasting a fuel tank, which valve should you close first?