A.The sea anchor deploys
B.The floor inflates
C.If upside down, the craft rights itself
D.The painter detaches from the raft
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A.the single hook at the top of the raft
B.two lines passed under the raft
C.the towing bridle
D.All of the above
A.cutting the straps that enclose the container
B.removing the rubber sealing strip from the container
C.loosening the turnbuckle on the securing strap
D.pushing the button on the hydrostatic release
A.only when the load is taken off the cable
B.only when there is a load on the cable
C.only when activated by the controls at the lowering station
D.at any time
A.sufficient oxygen in a compartment to support life
B.combustible gases present
C.hydrogen gases present
D.All of the above
A.danger
B.dangerous
C.dangerously
D.dangering
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When the wave period and the apparent rolling period are the same（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
（）is where the crew eat their meals.
Manoeuvring information can not be obtained from（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Full details of all lights and fog signals are shown on（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）