Package Air Conditioner MCQ with Answers

Package Air Conditioner MCQ with Answers

16) Which switch is interlocked to become on if the power isolator is off in package AC?

Answer is:

Crankcase heater

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

Answer is:

Globe valve

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

Answer is:

Running current

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

Answer is:

Throttling refrigerant

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

Answer is:

Over load relay

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