A close-on-rise pressure switch has a cut-in of 50 psig and a differential of 15 psi. What is the cut-out?
A) 35 psig B) 65 psig C) 15 psig D) 50 psig
A
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What will be an ideal response?
Soldering uses heat and a(n) _____ filler metal.
a. ferrous b. nonferrous c. stainless d. iron
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.
Technician A says that front shock replacement on most vehicles requires a special spring compressor. Technician B says that front shock absorbers can be replaced with the weight of the vehicle on the wheels. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician