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MRAC
MRAC Set-1
Package Air Conditioner
17

Package Air Conditioner MCQ with Answers

17) Which valve is opened first after installing the package AC for test run?

Ball valve

Globe valve

Service valve

Solenoid valve

Answer is:

Globe valve

Package Air Conditioner MCQ with Answers

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Related Package Air Conditioner MCQ with Answers

18) What is measured by clamp tester during 'Test run' of package AC?

Idle pressure

Running current

Rotation per minute

Vacuum holding strength

Answer is:

Running current

19) What is the purpose of TEV in refrigeration cycle of package AC?

Condensing gas

Throttling refrigerant

Flush out dry nitrogen

Cooling the evaporator

Answer is:

Throttling refrigerant

20) Which safety control is actuated by excess of heat /current in package AC?

Selector switch

Over load relay

Water flow switch

High pressure cut-out

Answer is:

Over load relay

21) Which control terminals are shorted before pump down operation in package AC?

Selector switch

H.P cut-out switch

L.P cut-out switch

Thermostat switch

Answer is:

L.P cut-out switch

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