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
您可能感興趣的試卷
你可能感興趣的試題
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
A.moving the governor control to stop
B.shutting off the lubricating oil supply
C.tripping the governor emergency stop lever
D.shutting off the fuel supply
A.low exhaust back pressure
B.early fuel injection in one of the cylinders
C.compression pressure in one of the cylinders
D.plugged injector holes
最新試題
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
Under MARPOL Code the ship to which it applies has to carry （）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
The ISPS Code consists of a mandatory section-Part A, which shows（）
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
To proceed to the assistance of a ship in distress is（）
The condensers located in various stages of a flash evaporator are cooled by（）
Diesel engine air start system check valves are opened by （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）