The accompanying figure shows the components needed to construct a(n) ____________________ control circuit.
Figure
ANSWER: reversing
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Define a precautionary statement, and give two examples
What will be an ideal response?
Corresponding sides of similar polygons are proportional.
Answer the following statement true (T) or false (F)
When the unit is operating, the refrigerant cylinder pressure will be:
A) Less than the back pressure of the evaporator. B) Less than the head pressure of the condenser. C) More than the head pressure of the evaporator. D) More than the back pressure of the condenser.
A normally operating water-cooled condenser is operating with a 10° differential between water in and water out. If scale forms on the water tubes and the entering water is 85°F, which of the following is possible?
A. The outlet water will be 88°F. B. The system head pressure will rise. C. The water regulating valve will close. D. Both a and b are correct.