A.ohms
B.volts
C.amps
D.watts
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A.steel
B.aluminum
C.glass
D.copper
A.suspended by wire slings in one comer of the shop
B.wrapped in several layers of heavy paper or carboard
C.supported by flat wood blocks on the workbench
D.returned to the frame as soon as the bearings are removed
A.frequency
B.number of phases
C.phase rotation
D.All of the above
A.rotor
B.stator
C.exciter
D.armature
A.coulombs per second
B.revolutions per second
C.revolutions per minute
D.cycles per second
最新試題
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.
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
To proceed to the assistance of a ship in distress is（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
If separating effect is not good, which measure should be taken （）
（） is not installed on the main switchboar.
The ISPS Code consists of a mandatory section-Part A, which shows（）