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CH 83 Heat & Air Conditioning Fundamentals

Authored by David McKenzie

Other

9th - 12th Grade

Used 8+ times

CH 83 Heat & Air Conditioning Fundamentals
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the 3 basic states of matter?

hot, cold and frozen

liquid, solid and gas

electrical, hydraulic and mechanical

mind, matter and molecules

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The hotter the object............

the faster the molecules move

the slower the molecules move

no change

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_____occurs when vapor changes back into a liquid.

condensation

evaporation

convection

conduction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At room temperature, hydrogen and oxygen modules are fluid and form a liquid.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you change the boiling point of water?

with additional liquids such as ethel glycol

changing pressure on liquid

changing altitude

all of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Current late model cars use the refrigerant.........

R-134A

R-12

Aerosol

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pump that pressurizes refrigerant and forces it through the system.

compressor

flow control pump

receiver dryer pump

blower

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