默认题库 - 船员职务名称

单选题

Each hand portable fire extinguisher on a ship must be marked with（）.

A. the name of the unit on which it is located
B. the date that it was installed on the unit
C. the names of the individuals qualified to use it
D. an identification number different from other extinguishers on the unit

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单选题

Foam-type portable fire extinguishers are most useful in combating fires involving（）.

A. solid materials such as wood or bales of fiber
B. flammable liquids
C. electrical equipment
D. metallic solid

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单选题

Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.

A. used for electrical fires only
B. the smallest
C. the most accessible
D. the most effective

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单选题

During which condition should the operator of a pedestal crane shutdown operations?（）

A. Lightning in the vicinity
B. An approaching squall line
C. A fire on the pier
D. All of the above

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单选题

During which condition should the operator of a pedestal crane shutdown operations?（）

A. Bunkering barge alongside
B. Potable water spill on deck
Crane hydraulic hose bursts
D. Trim greater than 4 feet

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单选题

During the winter months，the southeast trade winds are（）.

A. stronger than during the summer months
B. weaker than during the summer months
C. drier than during the summer months
D. wetter than during the summer month

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单选题

During the month of October the Sun’s declination is（）.

A. north and increasing
B. north and decreasing
C. south and increasing
D. south and decreasing

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单选题

During the manufacture of line，yarns are twisted together in the（）.

A. opposite direction from which the fibers are twisted together to form strands
B. same direction the fibers are twisted to form strands
C. opposite direction from which the fibers are twisted together to form the line
D. opposite direction from which the fibers are twisted together forming cable

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单选题

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO₂) and by（）.

A. completely closing the compartment
B. closing the compartment except for the ventilators
C. leaving the compartment open to the air
D. increasing the air flow to the compartment by blower

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单选题

During daylight savings time the meridian used for determining the time is located farther（）.

A. east
B. west
C. east in west longitude and west in east longitude
D. west in west longitude and east in east longitude

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Each hand portable fire extinguisher on a ship must be marked with（）.

Foam-type portable fire extinguishers are most useful in combating fires involving（）.

Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.

During which condition should the operator of a pedestal crane shutdown operations?（）

During which condition should the operator of a pedestal crane shutdown operations?（）

During the winter months，the southeast trade winds are（）.

During the month of October the Sun’s declination is（）.

During the manufacture of line，yarns are twisted together in the（）.

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by（）.

During daylight savings time the meridian used for determining the time is located farther（）.

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO₂) and by（）.