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Mechanic Motor Vehicle
Mechanic Motor Vehicle Set-1
Air conditioning system
1

Air conditioning system MCQ with Answers

1) What is the boiling point of refrigerant R-134a?

20.5 Degree Centigrade

22.0 Degree Centigrade

26.5 Degree Centigrade

27.8 Degree Centigrade

Answer is:

26.5 Degree Centigrade

Explanation:

.

Air conditioning system MCQ with Answers

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Related Air conditioning system MCQ with Answers

2) What should be the high air flow rate permitted while doing performance checking in automobile AC system?

4 kg per min

6 kg per min

8 kg per min

10 kg per min

Answer is:

8 kg per min

3) Which is not the part of servo motor assembly?

Gear reduction unit

Normal DC motor

Position sensor

Expansion valve

Answer is:

Expansion valve

4) How much DC supply voltage required for servo motor?

4 V to 8 V

4.8 V to 6 V

3.5 V to 8 V

5V to 7.5 V

Answer is:

4.8 V to 6 V

5) Which wire of servo motor connected to power supply?

White

Yellow

Black

Red

Answer is:

Red

Air conditioning system MCQ with Answers

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