Electrician Practice Tests

Since …………….. knowingly venting any ozone sunstones is the violation of clean air act

Why HFC is not having ozone depletion potential (ODP)?

The inlet and outlet pressures of refrigerant is almost same in ………………..

The tubing line connecting evaporator to the intake of compressor is called as ……….

The refrigerant temperature after the condenser compared to the refrigerant temperature after expansion valve in a vapor compression refrigerant cycle is …………….

Ozone gas is located in which of the following earth’s atmosphere?

What is the color identification of low pressure gauge in manifold gauge set?

Which of the following should be used to leak check an R-134a refrigeration system?

What is the outcome when chlorine atom meets with ozone molecule?

The blended refrigerants should be generally charged ……

A refrigerant in refrigeration system releases heat when ………………….

Before opening / servicing a vapor compressor refrigeration system …………

A compound gauge is connected to …………….