A bank of 202 exam style questions for HVAC technician licensing candidates. Every answer comes with a four part rationale: why the correct answer is right, why the others are wrong, the principle behind it, and the takeaway to remember.
Sample question 1. BASICS: HVAC stands for Heating, Ventilation, and Air:
A. Circulation
B. Control
C. Conditioning
D. Cleaning
Answer: C. Correct: HVAC stands for Heating, Ventilation, and Air Conditioning. Why the other choices are wrong: Cleaning, Circulation, and Control are not the C in HVAC. Principle: The field covers heating, air movement, and cooling of buildings. Takeaway: The C in HVAC is Conditioning.
Sample question 2. REFRIGERATION: The refrigeration cycle moves heat using a:
A. fuel
B. refrigerant
C. filter
D. battery
Answer: B. Correct: The refrigeration cycle moves heat using a refrigerant. Why the other choices are wrong: Fuel, a battery, and a filter do not carry heat through the cycle. Principle: A refrigerant absorbs and releases heat as it changes state. Takeaway: Refrigerant is the heat-transfer medium.
Sample question 3. REFRIGERATION: The component that compresses refrigerant vapor is the:
A. condenser
B. evaporator
C. compressor
D. filter
Answer: C. Correct: The component that compresses refrigerant vapor is the compressor. Why the other choices are wrong: The evaporator absorbs heat, the condenser rejects it, and a filter cleans the system. Principle: Compression raises refrigerant pressure and temperature. Takeaway: The compressor compresses the vapor.
What you get on iKuiz
202 questions for this exam, in Live Test, Study Mode, Flashcards, and MyTutor, a personal AI style tutor that teaches one concept at a time.
A readiness score that tells you honestly whether you are prepared, plus your weak areas by topic.
Every question read aloud if you want it, and a new free Question of the Day every day.
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