Author Question: How do infrared heaters transfer heat? A) They heat the air molecules, and the air heats the ... (Read 53 times)

colton · **on:** Jul 24, 2018

How do infrared heaters transfer heat?

A) They heat the air molecules, and the air heats the people in the room.
B) They only heat objects that they are touching.
C) Air is circulated over them and distributed via ductwork.
D) They directly heat people and objects through radiation.

Question 2

In most commercial air handlers:

A) The blower and coil are located in separate component parts of the system.
B) The blower forces the air across the coil.
C) The air passes through the unit twice: once for the blower and another time for the coil.
D) The blower draws the air across the coil.