This topic contains a solution. Click here to go to the answer

Author Question: A gasoline engine absorbs 2 500 J of heat and performs 1 000 J of mechanical work in each cycle. The ... (Read 144 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546

Question 1

A company that produces pulsed gas heaters claims their efficiency is approximately 90%. If an engine operates between 250°C and 25°C, what is its maximum thermodynamic efficiency?

83%

65%

43%

90%

56%


Question 2

A gasoline engine absorbs 2 500 J of heat and performs 1 000 J of mechanical work in each cycle. The efficiency of the engine is

80%

40%

60%

20%

50%


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by saraeharris on Aug 6, 2020

duke02

  • Sr. Member
  • ****
  • Posts: 312
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




saraeharris

  • Member
  • Posts: 546
Reply 2 on: Aug 6, 2020
:D TYSM


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library