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MRAC Set-1
Multi Split AC and Car Air conditioning
36

Multi Split AC and Car Air conditioning MCQ with Answers

36) Which level of vacuum is required before charging HFC 134a in car AC?

500 micron

400 micron

300 micron

200 micron

Answer is:

200 micron

Multi Split AC and Car Air conditioning MCQ with Answers

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Related Multi Split AC and Car Air conditioning MCQ with Answers

37) What is the diameter of liquid line used with 5 TR if the suction line is 7/8 OD by up flow?

1/2? OD

5/16 ? OD

3/8 ? OD

3/4 ?OD

Answer is:

1/2? OD

38) Which bearing is used in blower motor of indoor unit in ductable split air conditioner?

Ball bearing

Thrust bearing

Sleeve bearing

Open ball bearing

Answer is:

Sleeve bearing

39) What is the velocity range of air circulated in car AC?

2 - 3 m / sec

5 - 7 m / sec

7 - 9 m / sec

9 - 10 m / sec

Answer is:

2 - 3 m / sec

40) What is the test pressure of cooling coils during manufacture?

150 psig

250 psig

350 psig

450 psig

Answer is:

350 psig

Multi Split AC and Car Air conditioning MCQ with Answers

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