單項(xiàng)選擇題A vessel engaged in replenishment or transferring persons，provisions or cargo while under way can be regarded as（）.

A.a vessel restricted in her ability to maneuver
B.a vessel engaged in laying，serving or picking up a navigation mark，submarine cable or pipeline
C.a vessel not under command
D.a power-driven vessel


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題A hydraulic accumulator is designed to（）.

A.store fluid under pressure
B.act as a fluid reservoir
C.provide overpressure relief
D.replenish fluid to a system

2.單項(xiàng)選擇題A fishing vessel that is required to have a fireman’s outfit，must have all of the following in the outfit except a（）.

A.flashlight
B.combustible gas indicator
C.self-contained breathing apparatus
D.fire axe

3.單項(xiàng)選擇題A fire starting by spontaneous combustion can be expected in which condition?（）

A.Paints，varnish，or other liquid flammables are stowed in a dry stores locker
B.Inert cargoes such as pig iron are loaded in a wet condition
C.Oily rags are stowed in a metal pail
D.Clean mattresses are stored in contact with an electric light bulb

4.單項(xiàng)選擇題A double male coupling is one that（）.

A.has left hand twist
B.has inside threads on both ends
C.has outside threads on both ends
D.takes two men to operate

5.單項(xiàng)選擇題What is LEAST likely to cause ignition of fuel vapors?（）.

A.Static electricity
B.An open running electric motor
C.Loose wiring
D.Explosion proof lights