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Heat

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of total energy consumption in a typical commercial building is due to ACMV systems?

0.4
0.5
0.6
0.7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which law explains that heat always transfers from higher to lower temperatures?

First Law of Thermodynamics
Second Law of Thermodynamics
Law of Conservation of Energy
Law of Entropy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the compressor in an air-conditioning system?

Cools the air
Increases refrigerant pressure
Condenses refrigerant
Distributes air

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What component absorbs heat from the room in an ACMV system?

Compressor
Condenser
Evaporator
Cooling tower

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the cooling coil in an air conditioning system do?

Heats the air
Filters the air
Condenses the refrigerant
Absorbs heat and changes refrigerant to gas

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The condenser in an ACMV system functions to:

Circulate air
Compress refrigerant
Remove heat and condense refrigerant
Produce chilled water

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What device reduces the pressure of the refrigerant before it enters the evaporator?

Compressor
Evaporator
Thermostatic Expansion Valve (TEV)
Condenser

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