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

Author Question: The operation of modern induced-draft equipment is normally controlled by: A) An electronic ... (Read 38 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
The operation of modern induced-draft equipment is normally controlled by:
 
  A) An electronic board.
  B) A simple control system with very few controls.
  C) An elaborate system of mechanical switches and sensors.
  D) Manually operated valves, levers, and shutters.

Question 2

The main limit switch shuts the gas valve down when:
 
  A) The heat exchanger area becomes overheated. B) The blower motor overheats.
  C) The monthly BTU limit has been reached. D) The house temperature reaches 80F.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Mimi

  • Member
  • Posts: 542
Reply 2 on: Jul 27, 2018
Gracias!

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Evolutionary changes that led to the modern horse. Evolutionary changes that led to the modern horse.
5-25 Induced fit in the binding of an antigen to IgG 5-25 Induced fit in the binding of an antigen to IgG
An Extinct Vertebrate and a Modern Relative An Extinct Vertebrate and a Modern Relative
A medical assistant performs a spirometry test using electronic health record software. A medical assistant performs a spirometry test using electronic health record software.
Wiring diagram of a typical Ford electronic ignition. Wiring diagram of a typical Ford electronic ignition.
Modern house door design Modern house door design
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library