單項(xiàng)選擇題Heavy fuel oils generally have an upper average ash content of 0~1% by weight.Which of the following conditions could be expected if the ash content increase above this amount?()

A.Glazing of the cylinder liners
B.Increase valve wear
C.Excessive oil pumping
D.Increase fuel consumption


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

A.for atomizing
B.for centrifuging
C.in a storage tank
D.in the re-circulating line

2.單項(xiàng)選擇題The temperature of the fuel oil received during bunkering operation is critical in determining the ()

A.expansion space to leave in a tank
B.flash point at which the fuel will burn
C.temperature to which the fuel must be heated
D.rate at which the fuel can be pumped during transfer operations

4.單項(xiàng)選擇題Bunkering shall be terminated if there is a ()

A.severe electrical storm
B.fire on the pier
C.fire on the ship
D.any of the above

最新試題

Which of the following items don’t belong to dock repair works?()

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

During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.

題型:單項(xiàng)選擇題

Using a file without a handle may result in ()

題型:單項(xiàng)選擇題

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()

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

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

() is not installed on the main switchboar.

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

Under MARPOL Code the ship to which it applies has to carry ()

題型:單項(xiàng)選擇題