默认题库 - 安全用语

单选题

Which method is used to detect rot in manila lines?（）

A. Feeling the surface of the line for broken fibers
B. Measuring the reduction in circumference of the line
C. Observing for the appearance of mildew on the outer surface
D. Opening the strands and examining the inner fiber

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单选题

Which term describes a part of a natural fiber line?（）

A. Lacings
B. Lays
C. Strands
D. Twine

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单选题

You see an iceberg that has not been reported. What kind of radio message do you transmit to warn others?（）.

A. Safety message
B. Urgency message
C. Distress message
D. Routine message

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单选题

The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.

A. SOS，ZZZ，XXX
B. SOS，UUU，SSS
C. SOS，XXX，TTT
D. SOS，TTT，UUU

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单选题

You hear on the radiotelephone the word SECURITE spoken three times. This indicates that（）.

A. a message about the safety of navigation will follow
B. a message of an urgent nature about the safety of a ship will follow
C. the sender is in distress and requests immediate assistance
D. you should secure your radiotelephone

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单选题

A crew member has just fallen overboard off your port side. Which action should you take?（）.

A. Immediately put the rudder over hard right
B. Immediately put the rudder over hard left
C. Immediately put the engines astern
D. Wait until the stern is well clear of the man and then put the rudder over hard right

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单选题

Deficient oxygen content inside a chain locker can be detected with（）.

A. litmus paper
B. a combustible gas indicator
C. an oxygen breathing apparatus
D. an oxygen indicator

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单选题

Geographic range is the maximum distance at which a light may be seen under（）.

A. existing visibility conditions，limited only by the curvature of the Earth
B. perfect visibility conditions，limited only by the curvature of the Earth
C. existing visibility conditions，limited only by the intensity of the light
D. perfect visibility conditions，limited only by interference from background lighting

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单选题

The ship will be（）demurrage soon.

A. at
B. for
C. in
D. o

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单选题

The winch at Hatch No.3 is（）trouble.

A. at
B. in
C. on
D. over

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