A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.

A、A.high pressure liquid line

B、B.low pressure liquid line

C、C.high pressure vapor line

D、D.low pressure vapor line

查看正确答案

更多“A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.”相关的问题

第1题

[单选题] 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  

点击查看答案

第2题

[单选题] 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  

点击查看答案

第3题

[单选题] The tendency of a flammable liquid to vaporize is indicated by its （）.

A、ignition temperature  B、flash point  C、flammable range  D、convection index  

点击查看答案

第4题

[单选题] The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.

A、volume of displacement of the vessel  B、dimensions of the surface of the liquid  C、amount of liquid in slack tanks  D、specific gravity of the liquid in the tank  

点击查看答案

第5题

[单选题] The effect of free surface on initial stability depends upon（）.

A、the amount of liquid in the compartment  B、the dimensions of the liquid surface and the vessel's displacement  C、only the length of the compartment  D、the vertical position of the liquid in the vessel  