單項(xiàng)選擇題

Improper maintenance of an automatic auxiliary boiler oil burner could result in （）.

A.fuel pump failure
B.fan motor failure
C.increased feedwater consumption
D.decreased boiler efficiency

你可能感興趣的試題

單項(xiàng)選擇題

The highest pressure in any closed diesel engine freshwater cooling system is at the （）.

A.jacket water outlet
B.expansion tank inlet
C.heat exchanger inlet
D.cooling water pump outlet

單項(xiàng)選擇題

The lube oil cooler is located after the lube oil filter in order for （）

A.the filter to operate more efficiently
B.the lube oil cooler to be bypassed
C.positive lube oil pump suction to be assured
D.galvanic action in the cooler to be minimized

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

Improper maintenance of an automatic auxiliary boiler oil burner could result in （）.

你可能感興趣的試題

The highest pressure in any closed diesel engine freshwater cooling system is at the （）.

The lube oil cooler is located after the lube oil filter in order for （）