The refrigerant that has primarily replaced CFC-12 is _____

A) HFC-134a
B) HFC-411
C) HCFC-22A
D) HFC-404A


Answer: A

Trades & Technology

You might also like to view...

Ultraviolet light is used to control _____.

a. ozone b. bacteria c. dust d. radon

Trades & Technology

When land is graded, what are some of the other factors of the environment that are affected?

What will be an ideal response?

Trades & Technology

The ________________ of a section of sheet metal is directly related to its weight.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

Technician A says that TOOT is the last adjustment made in a four wheel alignment. Technician B says that TOOT is a diagnostic angle that is not adjusted in a typical alignment. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology