單項選擇題

Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）

A.activate the driers
B.change color
C.secure the compressor
D.add a predetermined amount of liquid drier

你可能感興趣的試題

In the navigation, cause the shafting over load most easily（）

A.stopping the main engine suddenly
B.changing the main engine running direction suddenly
C.the sailing from the shallow water area to the deep water area
D.the ship’s trim too much

單項選擇題

The oil index of main engine should be controlled to prevent it from in heavy weather（）

A.over heat
B.over speed
C.over pressure
D.over worn

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Some refrigeration systems have chemical moisture indicators installed in conjunction with the sight glass in the liquid lineIf excess moisture is present in the system, the indicator will （）

你可能感興趣的試題

In the navigation, cause the shafting over load most easily（）

The oil index of main engine should be controlled to prevent it from in heavy weather（）

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