HVAC Certification Practice Tests 100% Correct Solved

HVAC Certification Practice Tests 100% Correct Solved Propane and Butane are _______ than air: - Correct Answer ️️ -Heavier What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the circuit is 5A - Correct Answer ️️ -6 ohms Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration system - Correct Answer ️️ -Floc point What manifold gauge set is used to charge, evacuate, add oil and recover refrigerant from a refrigeration and air conditioning system? - Correct Answer ️️ -Yellow hose Where is the oil separator located? - Correct Answer ️️ -Discharge line Higher the ambient temperatures, ____ will be the evacuation time of the refrigerants from the system - Correct Answer ️️ -Lesser 1 Watt is equal to - Correct Answer ️️ -3.41 Btu's Heat that is absorbed or extracted when a substance changes its state is - Correct Answer ️️ -Latent heat