單項(xiàng)選擇題If a single cylinder relief valve on a main propulsion diesel engine begins to lift, but it is not possible to secure the engine, which of the following actions should be taken?()

A.Increase the cooling water flow to the engine
B.Secure or reduce fuel to that cylinder
C.Screw down on the pressure adjusting spring to decrease to decrease popping pressure
D.Readjust the injection timing


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?()

A.The greater the atomization, the greater the penetration
B.The greater the atomization, the less the penetration
C.The degree of atomization has nothing to do with the degree of penetration
D.Atomization and penetration are one and the same

2.單項(xiàng)選擇題If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?()

A.Move the fuel control mechanism to the no fuel position
B.Block the fuel supply by closing the master fuel valve
C.Shut off the fuel supply and block the flow of intake air
D.Relieve all pressure in the fuel system

3.單項(xiàng)選擇題The breaking-up of fuel as it enters a diesel engine cylinder is known as()

A.airification
B.vaporization
C.atomization
D.gasification

4.單項(xiàng)選擇題The exhaust ports of a diesel engine using the cross-flow scavenging method are opened and closed by the ()

A.reciprocating motion of exhaust valves
B.rotary motion of the camshaft
C.reciprocating motion of the piston
D.developed differential

5.單項(xiàng)選擇題When fuel enters the crankcase of a diesel engine, it ()

A.dilutes the lube oil and reduces its viscosity
B.forms sulfuric acid in the lube oil
C.causes pitting and failure of the bearings
D.causes sludge deposits on valve stems

最新試題

() is not installed on the main switchboar.

題型:單項(xiàng)選擇題

Which one is NOT the ‘clear grounds’ for a more detailed inspection?()

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()

題型:單項(xiàng)選擇題

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()

題型:單項(xiàng)選擇題

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()

題型:單項(xiàng)選擇題

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

題型:單項(xiàng)選擇題

If two A.C.generators are to be operated in parallel, the load is distributed evenly by()

題型:單項(xiàng)選擇題

Flame failure in an automatically fired auxiliary boiler can from a/an ()

題型:單項(xiàng)選擇題

()connectors hold best if a wire is accidentally pulled or a connection becomes loose.

題型:單項(xiàng)選擇題