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

Author Question: Most switches used for safety controls in HVACR circuits: A) Are normally closed and wired in ... (Read 155 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Jul 27, 2018
Most switches used for safety controls in HVACR circuits:
 
  A) Are normally closed and wired in series with the load they protect.
  B) Are normally open and wired in parallel with the load they protect.
  C) Are normally closed and wired in parallel with the load they protect.
  D) Are normally open and wired in series with the load they protect.

Question 2

The simplest plasma arc cutting units use filtered _____.
 
  a. carbon dioxide
  b. nitrogen
  c. compressed air
  d. helium


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lauravaras

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

c


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter. Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter.
Critical thinking model for safety assessment Critical thinking model for safety assessment
Cascade of regulated splicing that controls sex determination in Drosophila embr Cascade of regulated splicing that controls sex determination in Drosophila embr
Teaching women about the safety of drug use during pregnancy is an essential component of nursing ... Teaching women about the safety of drug use during pregnancy is an essential component of nursing ...
Your Brain Controls Hunger and Satiation Your Brain Controls Hunger and Satiation
Controls of Temperature Controls of Temperature
Video: Blood Pressure Measurement

For a complete list of videos, visit our video library