HVAC Certification Practice Tests Questions & 100% Verified Answers | Latest Update | Already Graded A+
Propane and Butane are _______ than air: : Heavier What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A : 6 ohms Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system : Floc point What manifold gauge set is used to charge, evacuate, add oil and recover refrigerant from a refrigeration and air conditioning system? : Yellow hose
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hvac certification practice tests questions 100
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