[单项选择]The urgency signal concerning the illness of persons on board ship is（）.
A. Mayday
B. Pan
C. Securite
D. Attention

[单项选择]The urgency signal concerning the illness of persons on board ship is（）.
A. MAYDAY
B. PAN
C. SECURITE
D. ATTENTION

[单项选择]Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）
A. When at anchor，the pilot vessel is only required to sound anchor signals
B. The identification signal must be sounded any time the pilot vessel is underway
C. The pilot vessel may only sound the identity signal when making way
D. All of the above

[单项选择]The radiotelephone urgency signal is（）.
A. mayday
B. pan pan
C. securite
D. seelonce feenee

[单项选择]The Urgency Signal（）indicates that the station calling has a very urgent message to transmit concerning the safety of a ship or aircraft，or of some person on board or within sight.
A. SOS
B. XXX
C. TTT
D. PAN

[单项选择]Messages concerning weather conditions transmitted by radiotelephone are preceded by（）.
A. MAYDAY
B. PAN-PAN
C. SECURITE
D. SOS

[单项选择]Which statement concerning the handling characteristics of a fully loaded vessel as compared with those of a light vessel is FALSE?（）
A. A fully loaded vessel will be slower to respond to the engines
B. A fully loaded vessel will maintain her headway further
C. A light vessel will be more affected by the wind
D. A light vessel lose more rudder effect in shallow water

[单项选择]Which statement concerning maneuvering in restricted visibility is FALSE?（）.
A. A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
B. A vessel which hears a fog signal forward of her beam shall stop her engines
C. A vessel which hears a fog signal forward of the beam shall navigate with caution
D. If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time

[单项选择]Which statement concerning Montauk Point Light is TRUE?（）
A. The light comes on at sunset
B. There is an emergency light if the main light is extinguished
C. The height of the light is 24 feet
D. The tower is painted with black and white stripes

[单项选择]Which statement is TRUE concerning lifeboat gripes?（）
A. They must be released by freeing a safety shackle
B. They should not be released until the boat is in lowering position
C. They may be adjusted by a turnbuckle
D. They are normally used only with radial davits

[单项选择]Which statement concerning the collection of fresh water is FALSE?（）
A. Fresh water may be obtained from fish
B. Lifeboat covers or canopies should be washed with rain before drinking water is collected
C. Fresh water may be collected from condensation inside the liferaft
D. Seawater should never be consumed

[单项选择]Which statement is FALSE concerning precautions during fueling operations?（）
A. All engines，motors，fans，etc. should be shut down when fueling
B. All windows，doors，hatches，etc. should be closed
C. A fire extinguisher should be kept nearby
D. Fuel tanks should be topped off with no room for expansion

[单项选择]Which statement concerning reserve sources of energy for GMDSS is FALSE（）.
A. While the ship is at sea，there must be available at all times a supply of electrical energy sufficient to operate the radio installations and to charge any batteries used as part of a reserve source of energy
B. Both the VHF and MF/HF installations must be simultaneously supplied
C. A means of ensuring a continuous supply of electrical power must be provided to all GMDSS equipment that could be affected by an interruption in power
D. If a UPS or equivalent is used to supply power to the ship's GPS receiver or other source of positional information，a means must be provided to ensure the continuous supply of the information in the event of a failure to the ship's main or emergency source of power

[单项选择]Which statement is TRUE concerning gasoline vapors on board a vessel（）.
A. They are heavier than air and will settle in the lowest part of the vessel
B. They are lighter than air and will settle in the highest part of the vessel
C. They should be vented into the engine to improve combustion
D. They should be vented into the wheelhouse

[单项选择]Which of the following statements concerning cargo is correct?（）
A. Cargoes are any type of goods transported by any type of ships
B. Cargoes are goods transported in bulk
C. Cargoes usually include goods transported in bulk and in containers
D. Cargoes are usually packaged in containers

[单项选择]Which of the following statements concerning frontal movements is TRUE（）.
A. The temperature rises after a cold front passes
B. The barometric pressure rises when a warm front passes
C. A cold front generally passes faster than a warm front
D. A warm front usually has more violent weather associated with it than a cold front

[单项选择]Which statement concerning sweat damage in containers is TRUE?（）.
A. Sweat damage in containers is unusual due to the small enclosed volume of air
B. In general，containerized hygroscopic cargoes are the only ones subject to sweat damage
C. Containers should be ventilated，dehumidified，or the contents physically protected against sweat damage
D. Sweat damage is not a problem except in insulated and refrigerated containers

[单项选择]All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
A. location
B. height of light above water
C. luminous range
D. light characteristics

[单项选择]Which of the following statements concerning butterfly valves is correct?（）
A. Special tools are required for lapping or grinding
B. It is impossible to throttle flow with a butterfly valve
C. To close the valve, it is only necessary to turn the handle a quarter of a turn
D. The butterfly valve should never be used in a freshwater system

[单项选择]Which of the following statements concerning cylinder liner wear is true?（）
A. Liner wear is distributed equally between the upper and lower portions of the cylinder
B. Excessive liner wear causes wear between piston ring and groove
C. Excessive, but uniform liner wear will not cause wear between piston ring and groove
D. Liner wear is normally greatest in the middle of the cylinder