When measuring resistance, a reading of OL on the DMM indicates ________
A) Continuity of the circuit B) An open circuit
C) A defective meter probe D) None of these
B
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If you bend from the waist to pick up an object weighing 20 pounds (9.07 kg), the amount of pressure applied to your lower back is _____.
a. 2 pounds (0.9 kg) b. 20 pounds (9.07 kg) c. 200 pounds (90.7 kg) d. 2,000 pounds (907 kg)
Charging a refrigeration system refers to ____.
A. removing refrigerant from a system B. adding refrigerant to a system C. cleaning the refrigerant D. vaporizing the refrigerant
How is the air volume affected by temperature?
A) Air volume is not affected by the temperature of the air. B) Dry air increases in volume with an increase in temperature, humid air does not. C) Air volume decreases as the air temperature increases. D) Air volume increases as the air temperature increases.
Which of the following is not a primary component of a typical solar array power system?
A) AC load monitoring equipment B) Solar modules C) Diverter D) Flashing