Of the different power values in an RL circuit, which one is known as wattless power?
A. VA
B. VARs
C. W
Answer: B
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Match the type of solderless wire terminal to its best application. Note: The choices may be used more than once.
A. used to connect a wire under a screw without completely removing screw B. used to connect a wire under a screw terminal when screw has been completely removed C. used to join two pieces of wire together D. used to connect a wire to a "male terminal" E. F. G.
The ____________________ has its own power supply and uses the device being checked as the load to produce a magnetic field.
Fill in the blank(s) with the appropriate word(s).
When would a double wall exchanger be used?
What will be an ideal response?
Unlike other types of systems, geothermal systems do not lose capacity as the air temperature drops because:
A) They extract water from the ground, which is at a variable temperature. B) They extract heat from the ground, which is at a stable temperature. C) They extract air from the ground, which is at a variable temperature. D) They extract air from the ground, which is at a stable temperature.