« previous next »

Author Question: In North America alternating current has a frequency of 60 cycles per second. Indicate whether ... (Read 72 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Predators and Population Cycles Predators and Population Cycles
Extinct North American Megafauna Extinct North American Megafauna
The Moon's north pole during summer. The Moon's north pole during summer.
North Pacific right whale North Pacific right whale
North Atlantic mT air North Atlantic mT air
Air-Mass Source Regions for North America Air-Mass Source Regions for North America
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library