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 47 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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

For a complete list of videos, visit our video library