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Multi Split AC and Car Air conditioning
66

Multi Split AC and Car Air conditioning MCQ with Answers

66) What is indicated by the bubbles in car AC's sight glass?

Pressure of air

Poor compression

Excess of refrigerant

Shortage of refrigerant

Answer is:

Shortage of refrigerant

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

67) Why the idler pulley is used in belt driven car AC?

Decrease the belt vibration

Increase the belt tension

Increase the feathering

Decrease the belt tension

Answer is:

Decrease the belt vibration

68) What is the effect of increased out door temperature in car AC?

Compressor runs more time

Compressor runs less time

Performance remains the same

Performance increases

Answer is:

Compressor runs more time

69) Which causes the clogged orifice in TEV of car AC system?

Nitrogen

Oxygen

Moisture

Non condensable gases

Answer is:

Moisture

70) What is the effect of longer suction and liquid piping in AC?

No pressure rise

More pressure drop

Less pressure drop

Medium pressure rise

Answer is:

More pressure drop

Multi Split AC and Car Air conditioning MCQ with Answers

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