ICE HVACR Technician Certification Exam (Entry-
Level) 1 Correct Answers Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. What is the primary function of an HVAC system?
A. Generate electricity
B. Provide heating, ventilation, and air conditioning
C. Filter only indoor air
D. Produce refrigerant
Rationale: HVAC systems are designed to control temperature,
humidity, and air quality in indoor environments.
2. Which refrigerant is commonly used in modern residential systems?
A. R-12
B. R-410A
C. Ammonia
D. R-22
Rationale: R-410A is widely used in newer systems due to its efficiency
and environmental properties.
,3. What tool is used to measure electrical current?
A. Voltmeter
B. Ohmmeter
C. Clamp meter
D. Thermometer
Rationale: A clamp meter measures current without disconnecting the
circuit.
4. What does PSI measure in HVAC systems?
A. Temperature
B. Electrical resistance
C. Pressure
D. Air velocity
Rationale: PSI (pounds per square inch) is a unit of pressure.
5. What is the function of a thermostat?
A. Compress refrigerant
B. Control system temperature
,C. Increase humidity
D. Filter air
Rationale: A thermostat regulates HVAC operation based on
temperature settings.
6. Which component removes heat from indoor air?
A. Expansion valve
B. Evaporator fan
C. Evaporator coil
D. Compressor
Rationale: The evaporator coil absorbs heat from indoor air.
7. What is the state of refrigerant leaving the evaporator?
A. High-pressure liquid
B. Low-pressure liquid
C. Low-pressure vapor
D. High-pressure vapor
Rationale: Refrigerant absorbs heat and exits as low-pressure vapor.
, 8. What does a capacitor do in an HVAC motor circuit?
A. Generates refrigerant flow
B. Stores and releases electrical energy
C. Measures airflow
D. Controls temperature
Rationale: Capacitors help start and run electric motors.
9. Which safety device protects against electrical overload?
A. Thermostat
B. Expansion valve
C. Fuse or circuit breaker
D. Evaporator coil
Rationale: Fuses and breakers prevent excessive current damage.
10. What is superheat?
A. Temperature below freezing
B. Heat added to refrigerant vapor after evaporation
C. Heat removed in condenser
D. Liquid refrigerant pressure
Level) 1 Correct Answers Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. What is the primary function of an HVAC system?
A. Generate electricity
B. Provide heating, ventilation, and air conditioning
C. Filter only indoor air
D. Produce refrigerant
Rationale: HVAC systems are designed to control temperature,
humidity, and air quality in indoor environments.
2. Which refrigerant is commonly used in modern residential systems?
A. R-12
B. R-410A
C. Ammonia
D. R-22
Rationale: R-410A is widely used in newer systems due to its efficiency
and environmental properties.
,3. What tool is used to measure electrical current?
A. Voltmeter
B. Ohmmeter
C. Clamp meter
D. Thermometer
Rationale: A clamp meter measures current without disconnecting the
circuit.
4. What does PSI measure in HVAC systems?
A. Temperature
B. Electrical resistance
C. Pressure
D. Air velocity
Rationale: PSI (pounds per square inch) is a unit of pressure.
5. What is the function of a thermostat?
A. Compress refrigerant
B. Control system temperature
,C. Increase humidity
D. Filter air
Rationale: A thermostat regulates HVAC operation based on
temperature settings.
6. Which component removes heat from indoor air?
A. Expansion valve
B. Evaporator fan
C. Evaporator coil
D. Compressor
Rationale: The evaporator coil absorbs heat from indoor air.
7. What is the state of refrigerant leaving the evaporator?
A. High-pressure liquid
B. Low-pressure liquid
C. Low-pressure vapor
D. High-pressure vapor
Rationale: Refrigerant absorbs heat and exits as low-pressure vapor.
, 8. What does a capacitor do in an HVAC motor circuit?
A. Generates refrigerant flow
B. Stores and releases electrical energy
C. Measures airflow
D. Controls temperature
Rationale: Capacitors help start and run electric motors.
9. Which safety device protects against electrical overload?
A. Thermostat
B. Expansion valve
C. Fuse or circuit breaker
D. Evaporator coil
Rationale: Fuses and breakers prevent excessive current damage.
10. What is superheat?
A. Temperature below freezing
B. Heat added to refrigerant vapor after evaporation
C. Heat removed in condenser
D. Liquid refrigerant pressure
