Steel and aluminum piping materials are required for use with _____.

a. HFC-407C
b. HFC-410A
c. ammonia
d. HCFC-22

c. ammonia

Trades & Technology

You might also like to view...

When installing an overhead service, __________ feet of conductor should stick out of the weatherhead for the formation of a drip loop.

a. 1 b. 1.5 c. 2 d. 3

View
Trades & Technology

When observing O2S waveforms on a DSO on an OBD-II vehicle, which catalytic converter should have more oscillations in its O2S waveform?

A) Downstream B) Upstream C) They will be equal. D) None of these

View
Trades & Technology

The National Electric Code (NEC)® tables list the amount of current that the motor is expected to draw under a full load condition.

Answer the following statement true (T) or false (F)

View
Trades & Technology

Anchor bolts are normally shown on the foundation plan.

Answer the following statement true (T) or false (F)

View
Trades & Technology