單項(xiàng)選擇題

A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flowThis means （）.

A.the system is fully charged
B.there is air leaking in from the condenser
C.ice crystals are forming in the refrigerant
D.the system contains less than a full charge of refrigerant

你可能感興趣的試題

單項(xiàng)選擇題

Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?（）

A.Simplex
B.Duplex
C.Canister
D.Bypass

單項(xiàng)選擇題

A sight glass is installed in the liquid line to indicate the condition of the refrigerant charge and may also indicate the （）.

A.condition of the expansion valve
B.moisture in the system
C.condition of the compressor suction valves
D.condenser temperature

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A liquid sight flow indicator in a refrigeration system is examined and gas bubbles are noted in motion with the fluid flowThis means （）.

你可能感興趣的試題

Which of the filter/strainer units listed permits you to clean the element while leaving the system on the line?（）

A sight glass is installed in the liquid line to indicate the condition of the refrigerant charge and may also indicate the （）.

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