A.posted with instruction on the operation of the systm
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
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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
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
最新試題
Which of the following is not a form of precipitation?（）
It is dangerous for vessels without the operational radar（）the estuary.
When steering by autopilot,how often should the steering be checked?（）
（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Which of the following is not an operation mode of AIS?（）
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
The mean draft of a ship is the draft（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
Before any loading takes place any signs of the previous cargo should do（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.