單項選擇題Broken piston rings manifest themselves during the scavenge port inspection by()

A.Lack of elastic tension, when the rings are pressed into the groove by means of a stick
B.Blackish appearance
C.Fractured rings and missing rings
D.all off the above


您可能感興趣的試卷

你可能感興趣的試題

5.單項選擇題The scavenge port inspection should be carried out(), to obtain the most reliable result with regard to the effectiveness and sufficiency of the cylinder lubrication and the combustion cycle (complete or incomplete).

A.at the first stop after a long voyage egby anchoring if possible
B.at the first stop after arrival at harbor
C.at the first stop after low load running
D.at the first stop after passing river or canal passage

最新試題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

題型:單項選擇題

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.

題型:單項選擇題

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

題型:單項選擇題

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

題型:單項選擇題

() is not installed on the main switchboar.

題型:單項選擇題

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

題型:單項選擇題

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:單項選擇題

To shut down a diesel engine after it exceeds the set maximum speed,which type of device listed should be used?()

題型:單項選擇題

Using a file without a handle may result in ()

題型:單項選擇題

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is()

題型:單項選擇題