A.eliminate slippage
B.provide excitation
C.provide starting torque
D.increase efficiency
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A.wash it with fresh water and apply an external source of heat
B.renew the windings
C.send it ashore to an approved service facility
D.rinse all electrical parts with a carbon tetrachloride cleaning solvent and then blow dry the motor with compressed air
A.the recommended current and voltage rating
B.higher current and voltage rating
C.higher current and lower voltage rating
D.lower current and higher voltage rating
A.prime mover governor
B.exciter generator
C.voltage regulator
D.reverse power relay
A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor
A.load limit settings
B.idle speed settings
C.speed limit settings
D.speed droop settings
最新試題
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
The ISPS Code consists of a mandatory section-Part A, which shows（）
The cetane rating of diesel fuel is an indication of the （）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
Diesel engine air start system check valves are opened by （）
The shipboard oil pollution emergency plan will be invalid after （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Which of the following items don’t belong to dock repair works?（）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
（） is not installed on the main switchboar.