A.improve power factor
B.reduce voltage oscillation
C.increase the insulation of circuits
D.eliminate regenerated magnetic fields
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A.for the release of air from the cooling water
B.providing expansion room for heated cooling water
C.a place for implementing water and water treatment agent
D.all of the above
A.1/2
B.1
C.2
D.3
A.non-synchronous electric motor
B.synchronous electric motor
C.fully enclosed electric motor
D.watertight electric motor
A.an increase in the exhaust temperature of the affected cylinder
B.the turbocharger may surge
C.the explosion pressure in all cylinders will rise violently
D.smoke from the turbocharger air inlet filter will be seen
A.refreshing the air
B.making person upset
C.adjusting the air humidity
D.adjusting the air temperature
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Diesel engine air start system check valves are opened by （）
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.
The condensers located in various stages of a flash evaporator are cooled by（）
Under MARPOL Code the ship to which it applies has to carry （）
To proceed to the assistance of a ship in distress is（）
If separating effect is not good, which measure should be taken （）
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The cetane rating of diesel fuel is an indication of the （）
（） is not installed on the main switchboar.
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）