When discharging a portable CO2 fire extinguisher, you should not hold the horn of the extinguisher because the horn

a. A

The nozzle of a gasoline hose or can should be kept

A.  in contact with the fill opening to guard against static spark

B.  from making contact with the fill opening to guard against static spark

C.  in contact with the fill opening to allow proper venting

D.  None of the above

Gasoline fumes tend to

A.  settle near the bottom of the bilge

B.  settle near the top of the bilge

C.  settle evenly throughout all levels of the bilge by mixing with air

D.  disperse to atmosphere

 During Fueling, all doors, hatches, and ports

A.  to windward should be opened and the ones to leeward should be closed

B.  to leeward should be opened and the ones to windward should be closed

C.  should be opened

D.  should be closed

D.  should be closed

Your vessel has a gasoline engine and a mechanical exhaust ventilation system)  BEFORE starting the engine, the exhaust blower should be run long enough to

A.  warm up the exhaust blower motor

B.  provide a proper supply of fresh air for the engine(s)

C.  see the system is in good operating condition

D.  insure at least one complete change of air in the compartments concerned

The shut off valve at the gasoline tank, which can be, operated from outside the tank space

A.  controls the amount of gasoline to the engine

B.  shuts off the gasoline supply at the tank

C.  is used if the gasoline tank leaks

D.  All of the above

Diesel engines are considered safer than gasoline engines because

A.  they are more heavily built

B.  the fuel used is less volatile

C.  they can be easily reversed

D.  they operate at a lower speed

How would the exhaust of a properly operating diesel engine appear

A.  Light blue haze

B.  Light brown haze

C.  Light gray haze

D. Perfectly clear

Generally speaking, the fuel injected into a marine diesel engine combustion chamber is ignited by

A.  spark plugs

B.  glow plugs

C.  heat of compression

D.  a magneto

Vessels required to be equipped with an approved backfire flame arrester are

A.  those with diesel engines

B.  all those with gasoline engines

C.  those with large engines only

D.  None of the above

B.  all those with gasoline engines

If a gasoline engine turns over freely but will not start, the cause is generally...

a. Low lube oil level

b. Weak valve springs

c. Too heavy a load

d. A defective ignition system

To find the cause of a gasoline engine's failure to start, you should...

a. Disconnect the wires at the spark plugs and make the spark jump the gap

b. Check the battery, spark plugs, carburetor, and fuel line

c. Prime the engine with either through the spark plug openings

d. Break the joint in the fuel line at the engine and let the gas run in the bilges

The radiotelephone required by the “Vessel Bridge-to-Bridge Radiotelephone Act” is for the exclusive use of.

A.  the Master or person in charge of the vessel

B.  a person designated by the Master

C.  a person on board to pilot the vessel

D.  All of the above

The VHF radiotelephone frequency designated to be used only to transmit or receive information pertaining to the safe navigation of a vessel is

A.  156.8 MHz (channel 16)

B.  156.7 MHz (channel 14)

C.  156.65 MHz (channel 13)

D.  156.6 MHz (channel 12)

What is the minimum size power-driven vessel, not engaged in towing, required to comply with the vessel bridge-to-bridge radiotelephone regulations?

A.  50 meters

B.  25 meters

C.  20 meters

D.  12 meters

The height of a VHF radio antenna is more important than the power output wattage of the radio because

A.  VHF communications are basically “line of sight”

B.  the air is more dense the higher you go

C.  salt water is a poor conductor of sound

D.  sea water absorbs the radiated energy

You have just tried calling another vessel on the VHF and they have not replied. How long should you wait before calling that station again?

A. One minute

B.  Two minutes

C.  Five minutes

D.  Seven minutes

While underway, if you are required to have a radiotelephone, you must maintain a continuous listening watch on channel

A.  6 (156.3 MHz)

B.  12 (156.6 MHz)

C.  14 (156.7 MHz)

D.  16 (156.8 MHz)

The national distress, safety, and calling frequency is channel.

A.  13

B.  16

C.  18

D.  22

If you wished to transmit a message by voice concerning the safety of navigation, you would preface it by the word

A.  Mayday

B.  Pan-pan

C.  Securité

D.  Safety

A Coast Guard radiotelephone message about an aid to navigation that is off station is preceded by the word

A.  “PAN-PAN”

B.  “MAYDAY”

C.  “SOS”

D.  “SECURITY”

The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word.

A.  Mayday

B.  Pan

C.  Safety

D.  Interco

In radiotelephone communications, the prefix PAN-PAN indicates that.

A.  a ship is threatened by grave and imminent danger and requests immediate assistance

B.  a calling station has an urgent message about the safety of a person

C.  the message following the prefix will be about the safety of navigation

D.  the message following is a meteorological warning Marine Radiophone

You receive a call from the U.S. Coast Guard addressed to all stations. The call begins with the words “Pan-Pan” (3 times). Which type of emergency signal would this be?

A.  Safety signal

B.  Urgency signal

C.  Distress signal

D.  Red alert signal

 Which word is an international distress signal when transmitted by radiotelephone?

A.  Securite

B.  Mayday

C.  Breaker

D.  Pan

If you are transmitting a distress message by radiotelephone you should

A.  use English language

B.  always use the International Code

C.  preface it by the word “interco”

D.  follow the transmission with the radio alarm signal

All towing vessels of 26 feet or longer while navigating are required to carry what item?

A.  At least two lifeboats

B.  A Radiotelephone

C.  A radio direction finder

D.  None of the above

The reception of weak radio signals may be improved by "opening up" the squelch control. What is the normal setting of the squelch control?

a. None of the above

b. Completely open with the volume at the lowest level

c. Completely closed with the volume at the highest level

d. Adjust the squelch control until the noise (static) can be heard, then adjust it slightly in the opposite direction until the noise stops

Each life jacket light that has a non-replaceable power source must be replaced _________________.

a. every 12 months after initial installation

b. on or before the expiration date of the power source

c. every 24 months after initial installation

d. every six months after the initial installation

The knife on an inflatable liferaft will always be located..

a. On a cord hanging from the canopy

b. In a special pocket near the forward entrance

c. In a pocket on the first aid kit

d. In one of the equipment bags

If you find an inflatable liferaft container with steel bands around the case, you should...

a. Tell the Master

b. Tell the Mate

c. Leave the bands in place

d. Remove the bands yourself

Inflatable liferafts carried on passanger vessels must be anually

a. Sent to a Coast Guard approved service facility

b. Sent to the steamship company shore repair facility

c. Sent to the Coast Guard for servicing

d. Overhauled by the ship's crew

a. Sent to a Coast Guard approved service facility

What does "EPIRB" stand for?

a. Electronic Pulse Indicating Radiobeacon

b. Position Indicating Radio Beacon

c. Emergency Position Indicating Radiobeacon

d. Emergency Position Indicating Radar Buoy

c. Emergency Position Indicating Radiobeacon

An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?

a. If upside down, the craft rights itself

b. The floor inflates

c. The sea anchor deploys

d. The painter detaches from the raft

c. The sea anchor deploys

By regulation, life preservers aboard an uninspected passenger vessel must be...

a. Readily accessible

b. Stored in sealed containers

c. Securely stowed

d. Stowed with the emergency provisions

Which vessel is required to carry a Category I, 406 MHz EPIRB?

a. A vessel limited to 20 miles offshore, which carries a radiotelephone on board

b. A vessel operating exclusively on inland waters

c. A vessel limited to 100 miles offshore

d. A vessel operating on the high seas or beyond 3 miles from the coastline of the Great Lakes

An immersion suite must be equipped with a(n)

a. air bottle for breathing

b. whistle, light and retroreflective material

c. orange smoke canister

d. sea dye marker

b. whistle, light and retroreflective material

Which approved lifesaving device is required for each person onboard a motor vessel carrying passangers?

a. Buoyant vest

b. Ring life buoy

c. Life jacket

d. Buoyant cushion

While reading the muster list you see that "3 short blasts on the whistle and 3 short rings on the general alarm bells" is the signal for...

a. Fire and emergency

b. Man overboard

c. Abandon ship

d. Dismissal from fire and emergency stations

The Master shall ensure that the Emergency Position Indicating Radio Beacon (EPIRB) is ______________.

a. secured in the emergency locker

b. tested annually

c. tested monthly

d. secured inside the wheelhouse

Every vessel that operates on the high seas, or beyond 3 miles from the coastline of the Great Lakes must have a Category I 406 MHz EPIRB that...

a. All of the above

b. Is in good operating condition and is stowed near its charger

c. Is protected against all physical hazards

d. Will float free and clear of the sinking vessel and automatically activate

Traditionally, the signal for fire aboard ship is...

a. 1 short blast on the whistle

b. Alternating short and long blasts on the ship's whistle

c. More than 6 short blasts and 1 long blast on the whistle, and the same signal on the general alarm

d. Continuous sounding of the ship's whistle and the general alarm for at least 10 seconds

When will the float-free emergency position indicating radio beacon be activated after abandoning ship?

a. Only when keyed by the radar of another vessel

b. After about one hour when the salt water activates the battery

c. Immediately after floating free

d. Only when daylight activates the photovoltaic cell

c. Immediately after floating free

A new liferaft has been installed on your vessel. The operating cord should be...

a. Attached to the raft stowage cradle or to a secure object nearby with a float-free link (weak link)

b. Faked on the deck and lead through the deck

c. Check to see that it's unattached

d. Coiled neatly on the raft container

MARPOL requires garbage discharged from vessels that are located between 3 and 12 nautical miles from the nearest land must be ground to less than...

a. 1-1/2"

b. 1"

c. 2"

d. 1-1/4"

b. 1"

Your oceangoing vessel is required to have a waste management plan. This plan must be in writing and describe procedures for ______________.

a. Oil

b. collecting and discharging garbage

c. Hazardous substances

d. Garbage