What is the subcooling of an R404A unit at 230 psig head pressure and a 90° liquid line?

a. 8° b. 12° c. 18° d. 20°


a. 8°
98° condensing – 90° line = 8° S/C

Trades & Technology

You might also like to view...

If regular-grade gasoline is used in an engine designed for premium gasoline, what might result?

A) Reduced fuel economy B) Reduced engine power C) Both A and B D) Neither A nor B

Trades & Technology

Which EVAP valve(s) is (are) normally closed?

A) Canister vent valve B) Canister purge valve C) Neither canister nor canister vent valve D) Both canister purge and canister vent valves

Trades & Technology

What procedure do you use to find a battery drain?

What will be an ideal response?

Trades & Technology

This is any cross sectional measurement at any two adjacent points.

A. actual mating size B. actual size C. actual local size D. none of the above

Trades & Technology