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HVAC CONTRACTOR EXAM Questions & 100% Verified Answers | Latest Update | Already Graded A+
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An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter : voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. ...
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