A residential HVACR communicating control system includes (you may select more than one):
A) Communicating equipment control boards.
B) A communicating thermostat or controller.
C) A dedicated wireless router made specifically for HVACR.
D) A satellite uplink.
A, B
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What must be done to a wafer-lug butterfly valve prior to installation?
a. Lubricate the shaft. b. Open the valve. c. Close the valve. d. Align the flanges.
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The job description of the safety and health manager is simple.
What is the first thing you should try to do if your brakes fail while driving downhill
a. call or radio for help. b. Try to use your parking brake to stop. c. Get off the road as soon as possible.
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Which of the following acronyms is another way of saying main memory?
A. ROM B. CPU C. RAM D. ECU
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