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

Author Question: A gasoline engine absorbs 2 500 J of heat and performs 1 000 J of mechanical work in each cycle. The ... (Read 142 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Aug 6, 2020

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%
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
Buy Test-Bank


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
Reply #1 on: Aug 6, 2020
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
YES! Correct, THANKS for helping me on my review

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Reactions of the Krebs cycle. Reactions of the Krebs cycle.
Keep your arms in front of your body as you work. Keep your arms in front of your body as you work.
Concentric double-pipe heat exchanger for co-current flow Concentric double-pipe heat exchanger for co-current flow
Double-check for any oil or vacuum leaks after starting the engine. Double-check for any oil or vacuum leaks after starting the engine.
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Drosophila life cycle Drosophila life cycle
Video: Forming urine ( influencing factors), Forming dilute urine & Forming concentrated urine

For a complete list of videos, visit our video library