HAC vocabulary quiz 9

What is gauge pressure?

• Pressure measured in a closed container.

• Pressure measured without atmospheric pressure as a base.

• Pressure measured in a vacuum.

• Pressure measured with atmospheric pressure as a base.

What is heat?

• A form of energy causing the agitation of molecules within a substance.

• A form of energy causing the expansion of molecules within a substance.

• A form of energy causing the contraction of molecules within a substance.

• A form of energy causing the solidification of molecules within a substance.

What is a heat exchanger?

• A device for the storage of heat energy from the source.

• A device for the absorption of heat energy from the conveying medium.

• A device for the generation of heat energy from the conveying medium.

• A device for the transfer of heat energy from the source to the conveying medium.

What is heat flow dependent on?

• Temperature difference, pressure difference, and type of material.

• Temperature difference, area exposed, and type of material.

• Pressure difference, area exposed, and type of material.

• Temperature difference, area exposed, and pressure difference.

What is heat of compression?

• The heat removed from a vapor by the work done on it during compression.

• The heat added to a vapor by the work done on it during compression.

• The heat removed from a vapor by the work done on it during expansion.

• The heat added to a vapor by the work done on it during expansion.