Author Question: In North America alternating current has a frequency of 60 cycles per second. Indicate whether ... (Read 85 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
In North America alternating current has a frequency of 60 cycles per second.
 
  Indicate whether the statement is true or false

Question 2

What is the heat output of an electric furnace rated at 15 kilowatts on 240 volts?
 
  A) 15 kw  240 = 36,000 BTU/hr
  B) 15 kw  3412 = 51,180 BTU/hr
  C) 15 kw  1000 = 15,000 BTU/h
  D) The heat output cannot be calculated using the kilowatt output



maya.nigrin17@yahoo.com

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

TRUE

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library