默认题库 - 紧急用语

单选题

The radiotelegraph alarm signal is（）.

A. SOS sent three times
B. ten one-second dashes with a four-second interval between them
C. twelve four-second dashes with a one-second interval between them
D. twelve one-second dashes with a short interval between them

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单选题

The two main types of load cells used in mooring tension gauges are（）.

A. distortion and compression
B. hydraulic and mechanical
C. magnetic and applied torque
D. frictionless and hydraulic

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单选题

There is plenty of（）at this area.

A. a room
B. room
C. rooms
D. the room

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单选题

To prevent a wooden hull from leaking you caulk it（）.

A. after drydocking，while the hull is moist
B. after drydocking，and the hull has dried
C. afloat，where it is leaking
D. afloat，in all accessible area

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单选题

What is the（）of the turning circle in mavoeuvring?

A. distance
B. largeness
C. diameter
D. measurerment

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单选题

The best method to stop a vessel from dragging anchor in a sand bottom is to（）.

A. reduce the length of the cable
B. pay out more anchor cable
C. back the engines
D. swing the rudder several times to work the anchor into the bottom

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单选题

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

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单选题

To develop maximum anchor holding power，the optimum angle between the anchor’s shank and the mooring lines is（）.

A. 0 degrees
B. 10 degrees
C. 20 degrees
D. 30 degree

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单选题

The use of the danger signal（）.

A. replaces directional signals
B. makes the other vessel the stand-on vessel
C. indicates doubt as to another vessels actions
D. is the same as a MAYDAY signal

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单选题

The vessel was drifted off from her（）due to strong wind.

A. course
B. track
C. direction
D. trend

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