单项选择题
During the watch keeping at sea, at appropriate intervals inspection should be made of （）, auxiliary machinery and steering gear spaces by the duty engineer.
A.the main propulsion plant
B.lifesaving jackets
C.lifeboat engine
D.state of emergency generator
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相关考题
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单项选择题
The ground terminal of a starter should be connected to （）
A.the common ground point
B.the starter’s frame
C.the commutator
D.the starter’s mounting bolts -
单项选择题
Wires should have each feature of the following except （）
A.flame retardant
B.moisture resistant
C.oil resistant
D.low conductivity -
单项选择题
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
A.Ring type
B.Fork type
C.Spade type
D.Push on pull off type
