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RAC 40 Quiz 1 Review Questions and Answers All Correct $12.99   Add to cart

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RAC 40 Quiz 1 Review Questions and Answers All Correct

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  • RAC 40

RAC 40 Quiz 1 Review Questions and Answers All Correct Heating the vapor temperature above the boiling point is called. - Answer- Super heating Heat that changes the temperature of a substance is called - Answer- Sensible heat What is the difference between a mercury barometer and an aneroi...

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  • November 1, 2024
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  • RAC 40
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RAC 40 Quiz 1 Review Questions
and Answers All Correct

Heating the vapor temperature above the boiling point is called. - Answer- Super
heating

Heat that changes the temperature of a substance is called - Answer- Sensible heat

What is the difference between a mercury barometer and an aneroid barometer? -
Answer- Mercury barometer is bigger and not portable like an aneroid barometer.
Mercury barometer contains mercury and an aneroid barometer uses a bellows.

Define conduction of heat. - Answer- Conduction of heat causes one molecule to move
rapidly which then causes the other molecules around it to do the same

Define radiation of heat - Answer- Radiation of heat is when radiation passes through a
space and is absorbed by the first solid object that it hits.

Define a Btu - Answer- British thermal unit. The amount of heat energy needed to
change 1lb of water 1 degree

Define convection of heat - Answer- Convection of heat can occur two ways naturally or
forced. Convection of heat usually needs a fluid medium like liquid or vapor.

T/F The difference in level of heat between two substances will determine the heat
transfer rate between thee substances. - Answer- True

T/F The difference in the volume of two substances will determine the heat transfer rate
between the substances - Answer- False

T/F When water at 212F boils, it is only absorbing latent heat - Answer- True

T/F Water at 0F has no heat energy or molecular activity - Answer- False

T/F Temperature difference does not affect heat transfer rate - Answer- False

T/F The fahrenheit scale is used in the english measurement system by the united
states - Answer- True

T/F In order for water at 60F to boil, it must absorb both sensible and latent heat -
Answer- True

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