Exam 15: Comfort Control Systems

The ____ of a material provides a uniform method to rate the resistance of heat flow through it.

Which of the following expresses the relationship between R-value and U-value?

Doors and windows lose heat by air ____.

Loose-fill insulation is made from plastic foams and formed into sheets.

A _____ is a heat recovery and ventilation device that pulls polluted air from within the building envelope and transfers the heat by pulling fresh air into the house.

Materials that transfer heat easily are known as conductors.

Using the indirect-gain method, the inside of a building is directly heated by the sun's rays as they pass through large areas of south-facing glass.

The standard unit of measurement for heat production or loss is the ____

What type of system heats air in a central furnace and then uses a fan to send it through ducts to distribute heated air to diffusers placed throughout the residence?

With ____, heat travels from a heated surface to the molecules of liquids or gases surrounding that surface.

What type of system provides even heat in a residence by circulating hot water to radiators, finned tubes, or convectors?

Heat travels by radiation, convection, and conduction.

What type of heating distributes hot water through a series of continual tubes placed in the floor system, turning the whole floor system into a radiator?

The series-loop system is a continuous loop of pipes containing hot water.

On the cooling cycle, a heat-pump acts as a _____.