ACR-101 Unit 01 Quiz 2

A British Thermal Unit is defined as the amount of heat required to raise the temperature of ________.

• 1 pound of water by 1° F

• 1 pound of water by 10° F

• 1 gallon of water by 1° F

• 1 pound of air by 1° F

Which of the following is an example of heat transfer by conduction?

• The sun's rays heating a car.

• Your hand touching a heated pan.

• Heated flue gases rising up a chimney.

• A glowing electric heater used to heat a room.

Heat transfer by convection can be either forced or natural.

• True

• False

Radiation is the only type of heat transfer that can _________.

• transfer heat through the movement of fluid

• travel through a vacuum

• be measured in British Thermal Units (BTUs)

• boil water to steam

Heat that causes and change in temperature that can be measured by a thermometer is __________.

• latent heat

• density heat

• specific heat

• sensible heat

The specific heat of water is ________ BTU/LB/°F.

• 0.38

• 0.214

• 1.00

• 0.97

Pressure is defined as force per unit of heat intensity.

• True

• False

A _________ is a component commonly used in an analog pressure gauge.

• pressure relief valve

• core removal tool

• microprocessor

• Bourdon tube

Air at _________ conditions has a volume of 13.33 ft3/lb, an atmospheric pressure of 14.696 psia, and is 70° F at sea level.

• humid

• saturated

• standard

• arid

Atmospheric pressure is measured with an anemometer.

• True

• False