單項選擇題With UMS, when the engine room is unwatched () will control the main engine.

A.the bridge officer on watch
B.the chief engineer
C.the duty engineer
D.the duty motorman


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1.單項選擇題() handle and instruments are on the front.

A.open
B.open front type
C.live front type
D.None of the above

2.單項選擇題The () is a crystal which, under pressure, produces an electric current which varies with the pressure.

A.alternator
B.glass thermometer
C.burdon tube
D.piezoelectric pressure transducer

3.單項選擇題Remote control means that ().

A.the system is manned manually
B.the system is situated remotely from the operator
C.the system is controlled automatically
D.all the above

5.單項選擇題The emergency generator or emergency battery is connected to() on most large ships.

A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards