C、 engaged D、 good 02012132A5
The insulation is too ________ and does not reach the standard of the requirement. A、 low B、 high C、 enough D、 good 02082133B5
The winding should be cleaned and _______. A、 wet B、 dried C、 oiled D、 fired 02012134B5
It is important to determine ______the short circuit is. A、 what B、 where C、 why D、 how 02012135C5
Each generator circuit breaker _______with an over current relay. A、 must fit
B、 must not fit C、 must be fitted D、 be fitted must 02012136B5
The battery must be fixed to ______any movement resulting from the ship′s motion. A、 keep B、 prevent C、 maintain D、 manage 02012137B5
Please give me the necessary ________ of the main switchboard. A、 information B、 data
C、 materials D、 resource 02012138B5
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A(An) _______on the main switchboard should show whether the emergency battery is in service or not. A、 switch B、 indicator C、 controller D、 generator 02042139C5
My electric system is ________. A、 200 amperes B、 two meters long
C、 50 hertz and 380 volt D、 1 ton 02012140C5
This ship has two _______of generators. A、 set B、 group C、 sets
D、 not of all 02072141C5
The main function of steering gear is to control the ship's________. A、 load B、 speed C、 course
D、 fresh water 02022142A5
At sea, we usually use _______to provide hot water. A、 a heater
B、 exhaust gas boiler C、 donkey boiler D、 generator
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