单项选择题

A.Both the main steering gear and the auxiliary steerin……

Which of the following is NOT true according to the passage?（）

A.Both the main steering gear and the auxiliary steering gear should be operated
B.The alarms fitted to the remote control system should be operated
C.The emergency generator compartment should be checked
D.The communication system between the bridge and the steering gear compartment should be operated

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单项选择题Aother name for the “swash plate” in the variable delivery pump is（）

A.tiltable disc
B.gravity disc
C.distributing disc
D.catch plate

单项选择题The function of the cut-off lever is（）

A.to provide electrical signal
B.to provide feed-back
C.to provide local manual control
D.to provide right rudder angle

单项选择题The advantage of the control equipment is（）

A.that the transmitter is on the bridge
B.that local manual control can be achieved
C.that remote control can be achieved
D.simple in construction and reliable in operation

单项选择题The spur geared mooring winches have advantages over worm geared ones in（）

A.higher efficiency of the gear train while reversing
B.the higher gear ratio
C.the multi-start feature
D.higher recovering speed

单项选择题In an automatic mooring winches, the wire is paid off the barrel at（） a tension and is recovered at（）tension.

A.lower；igher
B.maximum；higher
C.predetermined minimum；higher
D.predetermined maximum；lower