Near-azeotropic refrigerants are technically _____.
a. HFCs
b. HCFCs
c. zeotropes
d. compoun
c. zeotropes
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?What service is performed on distorted stamped-steel oil-pan and valve-cover screw holes?
What will be an ideal response?
The inputs to a gated S-R latch are commonly labeled S, R, and ________
Fill in the blank(s) with correct word
An open-loop system is practical only if:
A) There is an adequate supply of water and it is of good quality. B) A local stream or pond can be used as the water supply. C) Local codes allow discharge of nontoxic antifreeze solutions into the water supply. D) The secondary refrigerant loop temperature can be closely monitored.
What is the minimum trade size RMC permitted for four 4/0 AWG and one 2/0 AWG THW copper conductors supplying a panelboard feeding combination loads?
A. 1-1/4 in. B. 1-1/2 in. C. 2 in. D. 2-1/2 in.