This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How do infrared heaters transfer heat? A) They heat the air molecules, and the air heats the ... (Read 73 times)

colton

  • Hero Member
  • *****
  • Posts: 627
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

234sdffa

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


colton

  • Member
  • Posts: 627
Reply 2 on: Jul 24, 2018
:D TYSM

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Heat Exchanger Block Diagram Feedforward Control Heat Exchanger Block Diagram Feedforward Control
A turbocharger uses some of the heat energy that would normally be wasted. A turbocharger uses some of the heat energy that would normally be wasted.
Carbon Monoxide and Water Molecules Interaction Carbon Monoxide and Water Molecules Interaction
The tertiary of a transfer RNA as determined by X-Ray diffraction The tertiary of a transfer RNA as determined by X-Ray diffraction
What is the mass of 1.20 x 1024 molecules of sulfur dioxide, SO2? What is the mass of 1.20 x 1024 molecules of sulfur dioxide, SO2?
Holley’s two-dimensional cloverleaf model of transfer RNA Holley’s two-dimensional cloverleaf model of transfer RNA
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library