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Quick ASE Study Guide Practice Test Questions with Correct Answers.

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Quick ASE Study Guide Practice Test Questions with Correct Answers. True or False. Chlorine was found to do damage to the ozone layer? - Correct answer-True True or False. Different refrigerant are ok to be mixed together. Pressure characteristics are a little bit different but should not matter. - Correct answer-False. High pressure characteristics between R12 and R134a vary considerably. Will result in high head pressure and high system. A vehicle has poor air conditioning performance. The customer has added R134a refrigerant to the system. Technician A says to use a refrigerant identifier. Technician B says refrigerant mixtures are not recommended, but will not affect system pressures. Who is correct? A. Tech A B. Tech B C. Both D. Neither - Correct answer-Tech A is correct A squeal is heard only when the compressor clutch first engages. Technician A says this is caused by a loose serpentine belt. Technician B

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Quick ASE Study Guide Practice Test Questions
with Correct Answers.

True or False. Chlorine was found to do damage to the ozone layer? - Correct answer-
True


True or False. Different refrigerant are ok to be mixed together. Pressure characteristics
are a little bit different but should not matter. - Correct answer-False. High pressure
characteristics between R12 and R134a vary considerably. Will result in high head
pressure and high system.


A vehicle has poor air conditioning performance. The customer has added R134a
refrigerant to the system. Technician A says to use a refrigerant identifier. Technician B
says refrigerant mixtures are not recommended, but will not affect system pressures. Who
is correct?


A. Tech A
B. Tech B
C. Both
D. Neither - Correct answer-Tech A is correct


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?


A. Tech A
B. Tech B
C. Both
D. Neither - Correct answer-Tech is correct


An air conditioning system with a variable displacement compressor has poor
performance in high demand situations. All of these could be the cause EXCEPT:


A. A low refrigerant charge.

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