The heater in the thermostat control circuit in the cooling mode is active when the ____.
A. cooling contact is open
B. cooling contact is closed
C. fan switch is open
D. fan switch is closed
Answer: A
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The Tariff of 1816 was the first in American history
A. that essentially foreclosed all the manufacturing imports from specific industrial sectors in America such as textiles. B. intended to raise revenue. C. that aimed to protect American industry. D. to impose taxes on American goods. E. designed to protect Southern agriculture.
The Code® requires each service entrance to be provided with a readily accessible means of disconnecting all conductors from the source. This may be either a manually operated switch or a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
A driver crosses the air lines when hooking up to an old trailer. What will happen?
a. The hand valve will apply the tractor brakes instead of the trailer brakes. b. If the trailer has no spring brakes, you could drive away but you would not have trailer brakes. c. The brake lights will come on when the brake pedal is pressed.
Digital thermostats must be installed perfectly level to ensure proper operation.
Answer the following statement true (T) or false (F)