Exam (elaborations)
Hvac Certification Practice Tests With Questions And Answers 2024
- Course
- HVAC
- Institution
- Pennsylvania State University - All Campuses
Hvac Certification Practice Tests With Questions And Answers 2024
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Hvac Certification Practice Tests WithQuestions And Answers 2024
Propane and Butane are _______ than air: Answer: Heavier
What will be the resistance in the circuit if the supply voltage is 30V and current flowing through the
circuit is 5A Answer: 6 ohms
Temperature at which oil starts to produce a waxy substance that may interfere with the refrigeration
system Answer: Floc point
What manifold gauge set is used to charge, evacuate, add oil and recover refrigerant from a
refrigeration and air conditioning system? Answer: Yellow hose
Where is the oil separator located? Answer: Discharge line
Higher the ambient temperatures, ____ will be the evacuation time of the refrigerants from the system
Answer: Lesser
1 Watt is equal to Answer: 3.41 Btu's
Heat that is absorbed or extracted when a substance changes its state is Answer: Latent heat
Where is the sight glass present in the refrigeration cycle? Answer: Liquid line
Which shall not be used near flammable materials? Answer: Halide leak detector
2024
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