New residential air conditioning systems now primarily use:

A) HFC-134a. B) CFC-12. C) HFC-410A. D) HCFC-22.


C

Trades & Technology

You might also like to view...

Which component is typically not found in a heavy-duty truck starter motor?

A. Brushes B. Armature C. Permanent magnet D. Field coil

Trades & Technology

Three-phase three-lead induction motors are manufactured in either a wye or ____ configuration, with a single voltage.

a. alpha b. beta c. Delta d. Gamma

Trades & Technology

What is usually the first step in a typical sequence of the project development process?

a. The project is built b. The client formulates a series of needs or objectives to be accomplished by a particular time c. The client accepts the design d. A designer is contracted

Trades & Technology

If a goal is kept a trade secret from your competition and employees is it an achievable goal?

What will be an ideal response?

Trades & Technology