A.increased horsepower
B.reduced efficiency
C.increased heat loss
D.lower cylinder pressures
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A.dangerous over-speeding
B.a loss of lube oil pressure
C.activation of the fixed CO2 system for the emergency generator space
D.all of the above
A.provide energy to operate the engine between power impulses
B.neutralize the primary inertia force of the crankshaft
C.reduce the shock of starting loads on the main bearings
D.prevent the engine from operating at critical speed
A.Delivery check valve
B.Pump barrel
C.Tubing to the injector
D.Cam follower
A.cylinder valves
B.compression rings
C.piston skirts
D.oil rings
A.axial loads
B.firing loads
C.inertia loads
D.centripetal loads
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When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
The condensers located in various stages of a flash evaporator are cooled by（）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
（） is not installed on the main switchboar.
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.
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
The treatment of the fuel oils involves storage, heating, filtering and（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.