This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An automobile engine operates with an overall efficiency of 12. How much energy is delivered as ... (Read 123 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jul 28, 2018
An automobile engine operates with an overall efficiency of 12. How much energy is delivered as waste heat (in gallons of gasoline) for each 10 gallons of fuel burned?
 a. 1.2
  b. 8.8
  c. 6.5
  d. 4.7
  e. 7.5

Question 2

A homeowner has a new oil furnace which has an efficiency of 60. For every 100 barrels of oil needed to heat his house, how much (in barrels of oil) goes up the chimney as waste heat?
 a. 20
  b. 60
  c. 40
  d. 80
  e. 10


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


ahriuashd

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 28, 2018
Thank you!


thall411

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Voltmeter showing the battery voltage when the headlights were on (engine off) for one minute. Voltmeter showing the battery voltage when the headlights were on (engine off) for one minute.
An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ... An upward-sloping spark line usually indicates a mechanical engine problem or a lean air–fuel ...
Energy Energy
Energy in China Energy in China
Thumb, knuckle slides, and kneading (as appropriate) to energy meridians in the upper arm in 5 ... Thumb, knuckle slides, and kneading (as appropriate) to energy meridians in the upper arm in 5 ...
The energy cycle of life The energy cycle of life
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library