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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit VIII Test and Troubleshoot Accessory and Auxiliary

51)   

The main function of a vehicle’s air conditioning system is to:

A.
B.
C.
D.
Answer: B
52)   

The unit of air conditioning capacity is:

A.
B.
C.
D.
Answer: B
53)   

Which property of air is reduced during air conditioning?

A.
B.
C.
D.
Answer: C
54)   

Air conditioning systems in vehicles are classified as:

A.
B.
C.
D.
Answer: B
55)   

Which part of the A/C system absorbs cabin heat?

A.
B.
C.
D.
Answer: C
56)   

A commonly used refrigerant in modern vehicles is:

A.
B.
C.
D.
Answer: C
57)   

Which component compresses the refrigerant gas?

A.
B.
C.
D.
Answer: C
58)   

Which component cools the high-pressure refrigerant gas into a liquid?

A.
B.
C.
D.
Answer: D
59)   

Which part stores excess refrigerant and removes moisture?

A.
B.
C.
D.
Answer: C
60)   

Refrigerants are most commonly in what state when leaving the evaporator?

A.
B.
C.
D.
Answer: C
61)   

The thermostatic expansion valve regulates:

A.
B.
C.
D.
Answer: B
62)   

Thermal expansion valves are sensitive to:

A.
B.
C.
D.
Answer: C
63)   

A fixed orifice tube acts as a:

A.
B.
C.
D.
Answer: B
64)   

Temperature monitoring is done using:

A.
B.
C.
D.
Answer: C
65)   

Refrigerant pressure switches monitor:

A.
B.
C.
D.
Answer: B
66)   

Which component contains fins and tubes to dissipate heat outside the cabin?

A.
B.
C.
D.
Answer: B
67)   

Which device forces air through the evaporator fins?

A.
B.
C.
D.
Answer: A
68)   

Lines and hoses in AC systems are designed to:

A.
B.
C.
D.
Answer: C
69)   

The evaporator is located:

A.
B.
C.
D.
Answer: C
70)   

The compressor in inverter-based systems is powered by:

A.
B.
C.
D.
Answer: C
71)   

The ventilation system is responsible for:

A.
B.
C.
D.
Answer: C
72)   

Heating inside the cabin is usually achieved using:

A.
B.
C.
D.
Answer: B
73)   

Which component increases cabin temperature?

A.
B.
C.
D.
Answer: B
74)   

Ventilation in modern vehicles is part of the:

A.
B.
C.
D.
Answer: B
75)   

A vehicle heater uses:

A.
B.
C.
D.
Answer: C