How is the AC compressor lubricated in an R-134a system?

A) Most compressors are a sealed unit with their own oil
B) The refrigerant oil mixes with the refrigerant
C) The oil moves through the system simply with the movement of the refrigerant
D) Uses a sump to hold 3 to 5 oz. of refrigerant oil


C) The oil moves through the system simply with the movement of the refrigerant

Trades & Technology

You might also like to view...

Conductivity tests are sometimes known as _____ tests.

a. ultrasonic b. holiday c. penetrant d. megger

Trades & Technology

Usually, a supervisor is not involved in developing or designing a training program, but does _____.

a. implement it b. change it c. staff it d. promote it

Trades & Technology

The Wheatstone bridge is used to determine the value of an unknown _________

A. resistance B. voltage C. current D. circuit

Trades & Technology

What is the easiest way to check the voltage scale of a VOM meter?

What will be an ideal response?

Trades & Technology