This topic contains a solution. Click here to go to the answer

Author Question: The operation of modern induced-draft equipment is normally controlled by: A) An electronic ... (Read 46 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
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
Answer to Question 1

A

Answer to Question 2

A




Mimi

  • Member
  • Posts: 542
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Everyone has one nostril that is larger than the other.

For a complete list of videos, visit our video library