A.at least annually
B.whenever it is below its required weight
C.only if the extinguisher has been used
D.before every safety inspection
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A.be the first individual to board the craft
B.drain the hydraulic pressure before lowering the craft
C.have a list of the persons assigned to the lifeboat
D.All of the above
A.prevent chain from clinging to the wildcat
B.clean the marine debris from the chain
C.flake chain from a boat's chain locker
D.clean chain prior to an x-ray inspection
A.a safety line attached to a man working over the side
B.used to measure water depth
C.used to slow the headway of a barge
D.used to measure the overhead height of a bridge
A.is a deck fitting used to shackle gear to the deck
B.permits easy jettisioning of deck cargo in an emergency
C.prevents stress concentration in the bulwark
D.provides opening through the bulwark for mooring lines
A.deck fitting used to secured mooring lines
B.casting fitting at the side of a weatherdeck, used as a fairlead
C.sharp block of wood used to support hygroscopic cargo
D.smoke pipe for the galley stove
最新試題
It is dangerous for vessels without the operational radar（）the estuary.
（）is on the panel of radar.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
What is it called when it is possible to ignite the vapour above the oil?（）
When the wave period and the apparent rolling period are the same（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The dew point temperature is（）.
A tide is called diurnal when（）.