For low-frequency applications, ____ oscillators are used.
A. LC
B. RC
C. blocking
D. relaxation
Answer: B
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Conductors connected to the high leg of a four-wire delta system be color-coded with what color of insulation or tape?
a. Red b. Green c. Orange d. Blac
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What can be caused by impeller imbalance or damage?
A. Vibration B. Overheating C. Overpressurization D. Leakage
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Jose did some work on a pond to raise the dam that was about 6 inches too low. He had to use an earth scraper to bring in more dirt. He earned $4,402 for 31 hours of work. How much did he earn per hour?
What will be an ideal response?
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____________ for refrigerant piping come in sizes up to about 2 1/8" in size and are used for larger applications.
Fill in the blank(s) with the appropriate word(s).
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