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

Author Question: The operator of an electrical switch is the part of the switch that ________. A) conducts current ... (Read 265 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
The operator of an electrical switch is the part of the switch that ________.
 
  A) conducts current
  B) is the same as the contacts
  C) causes the action that makes the switch change from open to closed or closed to open

Question 2

In order to facilitate air removal, a diaphragm-type expansion tank should be placed:
 
  A) On the discharge side of the boiler. B) Above the boiler, below the roofline.
  C) On the supply aide of the boiler. D) Above the highest terminal unit.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

upturnedfurball

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

A




lindiwe

  • Member
  • Posts: 577
Reply 2 on: Jul 26, 2018
Wow, this really help


yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library