[Answered] What is expression gives the efficiency of an ideal heat engine operating between a higher ...

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

Author Question: What is expression gives the efficiency of an ideal heat engine operating between a higher ... (Read 15 times)

mpobi80

Hero Member
Posts: 519

on: Jul 28, 2018

What is expression gives the efficiency of an ideal heat engine operating between a higher temperature Th and a lower temperature Tc (both expressed in kelvins)?
a. = 1 + Tc / Th
b. = 1 Tc / Th
c. = 1 Th / Tc
d. = 1 Tc
e. = Tc / Th

Question 2

What is the expression for efficiency () in terms of the work W done by the system and the heat Q added to it?
a. = WQ
b. = Q/W
c. = Q + W
d. = Q + 273K
e. = W/Q

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

flannelavenger

Sr. Member
Posts: 322

Reply #1 on: Jul 28, 2018

Answer to Question 1

b

Answer to Question 2

e

mpobi80

Hero Member
Posts: 519

Reply #2 on: Jul 28, 2018

flannelavenger

Sr. Member
Posts: 322

Reply #3 on: Jul 28, 2018

You're welcome

« previous next »

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Doctors in China pray before operating

The level in the coolant recovery system raises and lowers with engine temperature.

A demonstration engine showing the amount of water that can be circulated through the cooling ...

After adjusting the valves that are closed, rotate the engine one full rotation until the engine ...

The engine is rotated until the timing marks again align indicating that the companion cylinder ...

Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925.

Author Question: What is expression gives the efficiency of an ideal heat engine operating between a higher ... (Read 15 times)

Related Topics

Need homework help now?