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

Author Question: The alternating field causes the rotor to rotate on the shaft, making one revolution for each ... (Read 58 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
The alternating field causes the rotor to rotate on the shaft, making one revolution for each half-cycle of the input AC power.
 
  Indicate whether the statement is true or false

Question 2

Which of the following is true for a 30 second on delay type time delay relay 40 seconds after power applied to the coil?
 
  A) The NC contacts are closed.
  B) The NO contacts are closed.
  C) The instantaneous contacts are open.
  D) The coil is not energized.
  E) None of the above.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

FALSE

Answer to Question 2

B





 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library