Author Question: In North America alternating current has a frequency of 60 cycles per second. Indicate whether ... (Read 71 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?

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?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

For a complete list of videos, visit our video library