Vocabulary 111-120

Question 1

Thermal bridge

Answer 1

Material that readily transmits heat through an enclosure

Question 2

Mechanical systems

Answer 2

Any of the systems that provide essential services to a building, as water supply, sewage disposal, electric owner,heating, ventilation, air-conditioning,vertical transportation, or fire fighting

Question 3

Radiation

Answer 3

Transfer of heat by means of the straight-line passage of electromagnetic waves through space or air, from a warm object to a cooler one

Question 4

Conduction

Answer 4

Flow of heat through a solid material

Question 5

Convection

Answer 5

Transfer of heat through a moving stream of air or water

Question 6

Thermal conductivity

Answer 6

The time rate of heat flow through a unit area of a given material of unit thickness when the temperature difference across a specified thickness is one unit of temperature

Question 7

Thermal capacity

Answer 7

The ratio of heat energy absorbed by a substance to its increase in temperature

Question 8

R Value

Answer 8

A numerical measure of resistance to the flow of heat

Question 9

Duct

Answer 9

A hollow conduit, usually of sheet metal through which air can be circulated

Question 10

Supply air

Answer 10

Conditioned air delivered by an air-conditioning system to the served spaces