Control of the head pressure in an air-cooled condenser is done by ____.
A. cycling the condenser fan
B. controlling dampers in the airstream through the condenser
C. flooding the condenser with refrigerant
D. all of the above
Answer: D
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1 photovoltaic panel produces 240 watts. Find the number of panels needed to produce 18,960 watt?s.
Fill in the blank(s) with the appropriate word(s).
Determine length x for the gage in the accompanying figure. Assume y = 0.300 inches and give your answer to the nearest hundredth of an inch.
A. 2.44 B. 2.55 C. 2.63 D. 2.73
The lubricant classification that meets the American Petroleum Institute (API) standard for heavy truck differential carriers is known as:
A. GL-4 B. GL-5 C. GL-6 D. GL-7
When testing an SCR with an ohmmeter by placing the negative lead on the cathode and the positive lead on the gate results in a low resistance reading, this would indicate that the SCR is __________.
A. good B. bad C. inconclusive D. none of the above