A sling psychrometer is used to measure which air condition?
A. wet bulb temperature
B. dry bulb temperature
C. both a and b
Answer: C
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Which of the following is true of laser light?
A. It cannot be treated as any other light. B. It cannot be reflected. C. It cannot be defused. D. It remains in a very tight column without spreading out.
Why is it important to maintain a minimum head pressure in the condenser?
a. So the TEV will operate properly. b. To maintain the proper condenser subcooling. c. So the liquid refrigerant will not flash off in the liquid line.
When a yoke seal race is damaged, which of the following is the cost-effective repair method?
A. polish seal race with a crocus cloth B. machine the race to an undersize C. resleeve with a wear ring D. replace the yoke
Explain the steps involved in installing a residential solar PV system
What will be an ideal response?