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MRAC Set-1
HVAC Plant
22

HVAC Plant MCQ with Answers

22) How many parameters are needed to locate all properties of moist air in psychrometric chart?

One

Two

Four

Three

Answer is:

Two

HVAC Plant MCQ with Answers

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Related HVAC Plant MCQ with Answers

23) Which temperatures are marked on 100% RH curve?

Air and water

Wet-bulb and dew point

Critical and condensing

Evaporating and condensing

Answer is:

Wet-bulb and dew point

24) What is measured by Anemometer?

Velocity of air

Direction of air-flow

Total pressure of air

Static pressure of air

Answer is:

Velocity of air

25) Which psychrometer uses battery operated small fan?

Sling psychrometer

Aspirating psychrometer

Laboratory psychrometer

Exhausting psychrometer

Answer is:

Aspirating psychrometer

26) What is the velocity pressure of air in a duct if the total pressure and static pressure are known?

Sum of static and total pressures

Sum of dynamic and total pressures

Difference in static and total pressures

Difference in dynamic and total pressures

Answer is:

Difference in static and total pressures

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