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

Author Question: What is the purpose of the limit switch? A) It improves efficiency by limiting furnace run time ... (Read 75 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 26, 2018
What is the purpose of the limit switch?
 
  A) It improves efficiency by limiting furnace run time
  B) It limits the indoor blower fan speed to supply a regulated supply of warm air
  C) It prevents overheating by interrupting the circuit to the gas valve
  D) It improves efficiency by limiting the supply air temperature

Question 2

What will happen if the operator grinds a tungsten electrode so the grind marks run around the diameter of the tungsten?
 
  A) The TIG operator could lose control and break the tungsten.
  B) The grinding marks will cause the arc to make even ripples in the weld.
  C) An unstable arc may result.
  D) The grinding marks will cause the arc to make deeper weld penetrations.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dmurph1496

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 26, 2018
Answer to Question 1

C

Answer to Question 2

C


MirandaLo

  • Member
  • Posts: 538
Reply 2 on: Jul 26, 2018
Thanks for the timely response, appreciate it

LVPMS

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Excellent

« 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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Having a time zone map located near the telephone will assist you when making long distance calls ou Having a time zone map located near the telephone will assist you when making long distance calls ou
In early capitalism, children worked alongside adults. At that time, just as today, most street ... In early capitalism, children worked alongside adults. At that time, just as today, most street ...
The environmental policy changes over time The environmental policy changes over time
Increased amounts of "screen time" are contributing to decreased amounts of physical ... Increased amounts of "screen time" are contributing to decreased amounts of physical ...
Time-of-entry mapping Time-of-entry mapping
The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library