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 105 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
Wow, this really help

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

The principle of faunal succession uses animal fossils to tell relative time. The principle of faunal succession uses animal fossils to tell relative time.
Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period Observed Mother–Child Arguments at Five Time Points Over an Eight-Year Period
Time course of HIV infection. Time course of HIV infection.
Example of simplified note for one-time client. Example of simplified note for one-time client.
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Introduction to Spirometry

For a complete list of videos, visit our video library