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

Author Question: What allows the safety relay to operate? A) Increasing the current flow B) Shutting off the ... (Read 121 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 24, 2018
What allows the safety relay to operate?
 
  A) Increasing the current flow B) Shutting off the burner
  C) Heating up the heat exchanger D) Decreasing the current flow

Question 2

Before starting the unit:
 
  A) Purge the system with nitrogen. B) Check the low- and high-side pressures.
  C) Check the power supply with the unit off. D) Remove the refrigerant.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


anshika

  • Member
  • Posts: 510
Reply 2 on: Jul 24, 2018
Gracias!

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Migration and gene flow. Migration and gene flow.
Wearing safety equipment is essential at all ages Wearing safety equipment is essential at all ages
Environmental Energy Flow Environmental Energy Flow
Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ... Flow cytometry data that shows the differences in CD3+ CD4+ cells that occur with HIV infection. ...
Chilling Effect of a Cold Current Chilling Effect of a Cold Current
Occupational Safety and Health Act of 1970 Occupational Safety and Health Act of 1970
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library