What happens to the voltage measured at the ECT sensor when the thermostat opens?
A) Decreases slightly B) Decreases about 1 volt
C) Increases slightly D) Increases about 1 volt
C
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Referring to the figure shown below, with the switch in the P1 position, the resistance between terminals 2 and 9 would be approximately 5.23k ohms.
Answer the following statement true (T) or false (F)
In the heating mode, a leaking check valve on the indoor coil may be indicated by _____.
a. a noisy compressor b. a chattering metering device c. the outdoor fan motor not running d. low head pressure
A series RLC circuit has R= 80 ?, L=240 mH, and C = 5mF. If the input voltage is v(t)= 115cos(2t), find the current flowing through the circuit.
What will be an ideal response?
Which type of shielding utilizes braid, foil, metal wrap, conduit or twisted wire around a conductor?
a. Cable. b. Circuit. c. Facility. d. Equipment.