ASE A7 Heating and AC Practice Exam
Authored by Tracey Hicks
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10th Grade - University
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40 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A CCOT system has a high high side pressure. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Corrosion at point A of the electrical diagram above will result in:
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A vehicle's air conditioning performance is reduced at low speeds and stop lights, but cools at highway speeds. Which of these is MOST likely the cause of this condition?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Two technicians are discussing an inoperative electric blend door in an automatic air conditioning system. Technician A says to inspect the blend door's wiring and connections for an open circuit. Technician B says to troubleshoot this circuit with a test light. Who is correct?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A squeal is heard only when the compressor clutch first engages. Technician A says this is caused by a loose serpentine belt. Technician B says this is caused by a worn clutch pulley bearing. Who is correct?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Component A in the electrical diagram above has all of the following characteristics EXCEPT:
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A frozen spot is noticed in the center of the condenser. Technician A says a frozen spot on a component or connection indicates a restriction in the system. Technician B says this is caused by a clogged orifice tube. Who is correct?
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