Author Question: Why are single-element fuses particularly suited for the protection of circuit breakers with low ... (Read 170 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
Why are single-element fuses particularly suited for the protection of circuit breakers with low interrupting
  ratings?
 
  a. They have a high speed of response to overcurrents.
  b. They have a low speed of response to short circuit currents.
  c. They can be applied in circuits subject to temporary motor overload.
  d. They can be used in circuits other than motor branch circuits and feeders, such as lighting circuits.

Question 2

Which type of GFCI receptacle offers protection only at the point of installation?
 
  a. Unlisted
  b. Feed-through
  c. Solid-state
  d. Nonfeed-thro



bpool94

  • Sr. Member
  • ****
  • Posts: 354
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library