Many handheld, battery-operated megohmmeters can develop a test voltage of up to _____.
a. 5,000VDC
b. 2,500VAC
c. 1,000VAC
d. 1,000VDC
d. 1,000VDC
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When investigating the financial condition of a subtrade, a useful source of information can be ____.
A. bonding companies B. former clients C. the federal government trades financial database D. credit reporting agencies
The ratio of on time relative to the period of the complete cycle is the ________
A) Pulse width modulation B) Frequency C) Duty cycle D) Amplitude
Both the high-side and the low-side gauge readings are abnormally low. Which of the following could cause this condition?
A. system low on refrigerant B. moisture in the system C. obstruction in the system D. all of the above
In the heating mode, a heat pump compressor pumps the refrigerant in reverse.
Answer the following statement true (T) or false (F)