单选题Shore power must be（） during dock repair.A disconnectedB switched offC cut offD connected

If you must pump bilges while a vessel is in port，you should pump only ______．

A.If discharge is led to a shore tank or barge

B.During the hours of darkness

C.On the outgoing tide

D.As much as is necessary

The equipment required to remove an on-deck oil spill on a barge transfering oil must either be carried on board or ______．

A.on a tug standing by

B.available by contract with the shore facility

C.kept at the shoreside hose connection during transfer

D.kept in a protected shoreside location readily accessible

If our captain is not in his cabin, he must be on the（驾驶台）_______.

A.paint locker

B.engine room

C.bridge

D.shore

The international shore connection required on a ship is designed to ______．

A.Permit discharge of waste oil

B.Allow hook up of fire fighting water from a dock or another vessel

C.Satisfy pollution prevention requirements

D.Allow emergency use of the fire main for deballasting

A large basin cut into the shore，closed off by a caisson，and used for dry docking of ships is known as a ______.

A.slipway

B.graving dock

C.ground warp

D.caisson dock