單項選擇題

Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）

A.Splash lubrication
B.Pressure lubrication
C.Sight feed lubricators
D.Mechanical lubricators

你可能感興趣的試題

Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to （）.

A.react with insufficient speed droop
B.fail to react to small speed changes
C.have excessive sensitivity to small speed changes
D.remain in the neutral position

單項選擇題

Fusible plugs are installed in fire-tube boilers to （）.

A.provide a means of draining the boiler
B.warn the engineer of low water level
C.cool the crown sheet at high firing rates
D.open the burners electrical firing circuits

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）

你可能感興趣的試題

Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to （）.

Fusible plugs are installed in fire-tube boilers to （）.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精