單項選擇題

The presence of bubbles in a refrigeration system liquid line may （）.

A.promote refrigerant dehydration
B.be absorbed in the receiver
C.cause low condensing pressure
D.carry moisture and lead to corrosion

你可能感興趣的試題

單項選擇題

Air entering an air-cooled refrigeration system is indicated by （）.

A.frosting of the liquid line
B.higher than normal head pressure
C.a clear sight glass
D.abnormally cold reefer boxes

單項選擇題

When installing a hydraulic hose, which of the following precautions should be taken?（）

A.The hose should not be twisted
B.The hose should be protected with a sleeve if it is subjected to rubbing
C.There should be some slack in the hose
D.All of the above

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

The presence of bubbles in a refrigeration system liquid line may （）.

你可能感興趣的試題

Air entering an air-cooled refrigeration system is indicated by （）.

When installing a hydraulic hose, which of the following precautions should be taken?（）