ASE A7 HVAC Test
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 13% • Most missed: “Technician A says a misadjusted temperature door could cause a poor heat complai…”

ASE defines area A7 heating and air conditioning as an individual service area. This area includes all components and systems both mechanical and electronic that are related to a vehicle's heating and air conditioning system.

ASE A7 HVAC Test
Time left 00:00
20 Questions

1. This question has the word EXCEPT. For this question, look for the choice that could NOT fit the described situation. Read the entire question carefully before choosing your answer. All of the following tasks are performed when replacing an AC compressor, EXCEPT:
2. A compressor clutch will not engage. Power and ground at the clutch coil are good. Which of the following is the MOST likely cause?
3. The heater blows out only cold air at operating temperature. Technician A says a stuck closed thermostat could be the cause. Technician B says the cooling system could be low on coolant. Who is right?
4. On a manual air conditioning system without automatic control, the compressor clutch does not operate. Technician A says there is a failed compressor thermal protector. Technician B says there is an incorrectly adjusted temperature door. Who is right?
5. Two technicians are describing heater diagnosis. Technician A says one heater hose is hot to the touch and the other hose is cold when the heater core is functioning okay. Technician B says the upper radiator hose should be at engine operating temperature, which is very hot to the touch. Who is right?
6. Two technicians are describing heater diagnosis. Technician A says one heater hose is hot to the touch and the other hose is cold when the heater core is functioning okay. Technician B says the upper radiator hose should be at engine operating temperature, which is very hot to the touch. Who is right?
7. On a manual air conditioning system without automatic control, the compressor clutch does not operate. Technician A says there is a failed compressor thermal protector. Technician B says there is an incorrectly adjusted temperature door. Who is right?
8. This question has the word EXCEPT. For this question, look for the choice that could NOT cause the described situation. Read the entire question carefully before choosing your answer. All of the following are true regarding the expansion valve, EXCEPT:
9. If a cooling system operates at too cool an operating temperature, the engine will do which of the following?
10. During an air conditioning performance test, the technician notices that the compressor outlet is hot. Technician A says this is a normal condition. Technician B says the air conditioning system is overcharged. Who is right?
11. This question has the word EXCEPT. For this question, look for the choice that could NOT fit the described situation. Read the entire question carefully before choosing your answer. All of the following issues regarding a receiver/dryer are correct, EXCEPT:
12. Technician A says a radiator should always be inspected for leaks before installing a rebuilt engine. Technician B says overheating during slow in-town driving can be caused by an electric cooling fan fault. Who is right?
13. Technician A says a defective thermostat can cause the engine to operate at too cold of a temperature. Technician B says if the thermostat is stuck closed it can make a pinging or banging sound. Who is right?
14. Technician A says a misadjusted temperature door could cause a poor heat complaint. Technician B says a defective resistor trio can cause a no high blower condition. Who is right?
15. A concern of intermittent AC cooling is being diagnosed. The gauge set shows intermittently high and low side pressure gauge readings and the high side intermittently drops to 100 psi. Which of the following is the MOST likely cause?
16. A compressor clutch will not engage. Power and ground at the clutch coil are good. Which of the following is the MOST likely cause?
17. A concern of intermittent AC cooling is being diagnosed. The gauge set shows intermittently high and low side pressure gauge readings and the high side intermittently drops to 100 psi. Which of the following is the MOST likely cause?
18. What high-side and low-side pressure gauge readings would a technician find if the condenser fan were inoperative?
19. Which of the following conditions is the MOST likely cause of a vehicle overheating?
20. Technician A says all air conditioning connections use a gasket or O-ring to seal the system. Technician B says when replacing O-rings you lubricate the O-ring with the correct refrigerant oil to prevent nicks and ease installation. Who is right?

⚡ Recently practiced quizzes in this topic
Live quiz activity
ASE A9 Light Vehicle Diesel Engines Test Automobile Engineering: Suspension System Automobile Engineering: Automotive Electrical System ASE A5 Brake Systems Practice Test Automobile Engineering Practice Test: Transmission System - Clutches, Gear Box, Universal Joints and Differential Motor Mechanic Exam SkillsUSA Automotive Quizbowl IC Engine Practice Test: Electronic Injection Systems Auto Mechanics Tools Automechanics
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.