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

Author Question: A device that does not switch on and off motors directly is a: A) Heavy-duty relay. B) Contactor. ... (Read 79 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
A device that does not switch on and off motors directly is a:
 
  A) Heavy-duty relay. B) Contactor. C) Light-duty relay. D) Motor starter.

Question 2

An air conditioner with a thermostatic expansion valve is operating with a condenser saturation temperature of 95F and a liquid-line temperature of 92F. The factory-specified subcooling for the current operating condition is 10F. The technician should:
 
  A) Move some of the charge from the low side of the system to the high side of the system to balance the charge.
  B) Leave the charge alone because it is cooling even better than factory specifications.
  C) Add charge because the system is undercharged.
  D) Recover charge because the system is overcharged.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

miss.ashley

  • Sr. Member
  • ****
  • Posts: 371
Answer to Question 1

C

Answer to Question 2

C




ssal

  • Member
  • Posts: 572
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library