Final Exam

The quantity of heat in a body depends not only upon its temperature but also on its:

The unit of heat discussed has been the:

The specific heat of water is:

The experiment that proved different materials have different capacities for heat was made by:

How many Btu are required to raise the temperature of 2 gallons of water from 50 degF to 200 degF?

How many btu are given up when 2ft^3 of water are cooled from 150 degF to 50 degF?

What weight of lead can be heated from 50 degF to its melting point of 615 degF by applying 700 Btu of heat?

If air weighs approximately 0.807 lb/ft^3 how many btu's of heat are needed to warm 8,160 ft^3 from 60 degF to 87degF?

A mixture of two chemicals requires 857 Btu to raise its temperature a total of 51 degF. What is the specific heat if the weight of the mixture is 200 lbs?

How many Btu's are absorbed by 25lbs of ice at 32degF when melted to 25lbs of water at 32 degF?

How many Btu's are absorbed by 2 gallons of water when changed to steam at 212 DegF?

A block of ice that measures 12" by 12" by 12" is to be melted into water at 32 deg F. How many Btu's will it take to do this?

A block of ice that weighs 100lbs is melted in water. How many Btu's will it take to do this?

The Relationship between boiling point of a liquid and the pressure above its surface is:

Most fuels burn as a?

Most liquid fuels do not readily___________

Air is comprised of __________% Oxygen

Which of the following is a natural fuel?

The metering device on a refrigeration loop is part of the __________ side?

The __________ controls the flow of refrigerant to the evaporator.

Gaseous refrigerant with some liquid is known as...

The ________ removes the latent heat of condensation from refrigerant.

The _________ supplies the energy for refrigerant to move.

Refrigerants are fluids that boil at relatively low temperatures.

The componentin a refrigeration system that is responsible for removing heat from the heat source is the__________

The expansion valve controls the flow of liquid refrigerant into the ____________.

When water changes to steam, the type of heat transfer that occurs is called:

If the pressure applied to a liquid is increased, the liquid will boil at a higher temperature.

Latent heat can be observed on a thermometer

Heat is a form of ________

The heat required to raise or lower one pound of pure water by one degree Fahrenheit?

Amount of heat required to raise/lower one gram of water by one degree Celcius

Theoretical absolute zero orrurs at what temperature fahrenheit?

The law of heat exchange states:

The law of conservation of energy states:

Which of the following are factors of heat exchange

Which of the following is not a phase of matter

Water's latent heat of fusion=

As pressure decreases on a liquid, its boiling point__________

A device that houses and protects a temperature measuring device

An alcahol filled thermometer can be read by looking at the ________ meniscus

A liquid filled glass stem thermometer operates on what principal?

A TMD that comprises of two strips of dissimilar metals fused or bonded together.

Metal fatigue due to over ranging of a instrument.

This TMD is a hybrid between a bimetal strip and a bourdon tube.

A thermocouple operates on the principal of