Question

In an experiment a Carnot engine is constructed with efficiency of 40%. The high temperature corresponding...

In an experiment a Carnot engine is constructed with efficiency of 40%. The high temperature corresponding to this efficiency is 600K. Next consider a second experiment with another Carnot engine with efficiency of 75%, at the same the low temperature as the first experiment. What is the high temperature of the second experiment?

(a) 800 K (b) 1440 K (c) 4000 K (d) 7500 K

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

B) 1440

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
With a high temperature reservoir at 450 K, a Carnot engine, has an efficiency of 33%....
With a high temperature reservoir at 450 K, a Carnot engine, has an efficiency of 33%. To increase the efficiency to 40%, the temperature of the low temperature reservoir needs to change by how much?
What is the efficiency of an engine operating at a high temperature of 500 K and...
What is the efficiency of an engine operating at a high temperature of 500 K and a low temperature of 300 K. What would the low temperature have to be to produce an efficiency of 40 %?
A Carnot engine whose low-temperature reservoir is at 12.3°C has an efficiency of 21.9%. By how...
A Carnot engine whose low-temperature reservoir is at 12.3°C has an efficiency of 21.9%. By how much should the Celsius temperature of the high-temperature reservoir be increased to increase the efficiency to 56.2%?
A Carnot engine whose low-temperature reservoir is at 15.7°C has an efficiency of 22.9%. By how...
A Carnot engine whose low-temperature reservoir is at 15.7°C has an efficiency of 22.9%. By how much should the Celsius temperature of the high-temperature reservoir be increased to increase the efficiency to 63.5%?
A Carnot engine whose low-temperature reservoir is at 14.9°C has an efficiency of 20.8%. By how...
A Carnot engine whose low-temperature reservoir is at 14.9°C has an efficiency of 20.8%. By how much should the Celsius temperature of the high-temperature reservoir be increased to increase the efficiency to 68.1%? (3 sig figs)
Problem 21.28 A Carnot engine whose hot-reservoir temperature is 420 ∘C has a thermal efficiency of...
Problem 21.28 A Carnot engine whose hot-reservoir temperature is 420 ∘C has a thermal efficiency of 40 % . Part A By how many degrees should the temperature of the cold reservoir be decreased to raise the engine's efficiency to 61 % ? Express your answer to two significant figures and include the appropriate units. ΔTcold =
2) A heat engine operates between two fixed temperature reservoirs, TH = 127 0C, TC =...
2) A heat engine operates between two fixed temperature reservoirs, TH = 127 0C, TC = 7 0C. In each cycle 5 J are extracted from the hot reservoir and 4 J are deposited into the cold reservoir. [ 0 0C = 273 K] (a) How much work is performed by the engine per cycle ? (4) (b) What is the efficiency of the engine ? (4) (c) What is the entropy change of the hot reservoir during one cycle...
Increasing the temperature of the heat addition (T subscript H) in any heat engine cycle, with...
Increasing the temperature of the heat addition (T subscript H) in any heat engine cycle, with keeping all other parameters unchanged: A. None of the answers. B. Decreases the heat added at high temperature. C. Increases the thermal efficiency of the cycle. D. Decreases the thermal efficiency of the cycle. 1 points    QUESTION 2 The maximum thermal efficiency of the Rankine cycle power plant is achieved when: A. it works on Carnot heat engine cycle. B. the pump work...
You have recently been appointed by Hilkon Manufacturing to work in the newly established treasury department....
You have recently been appointed by Hilkon Manufacturing to work in the newly established treasury department. Hilkon Manufacturing is a small company that produces cardboard boxes in a variety of sizes for different purchasers. Samesh Hilkon, the owner of the company, works primarily in the sales and production areas of the company. Currently, the company puts all receivables in one box and all payables in another. Because of the disorganized system, the finance area needs work, and that’s what you...
An experiment was carried out to measure the effect of growth hormone on girls affected by...
An experiment was carried out to measure the effect of growth hormone on girls affected by a growth disorder called Turner’s syndrome. A total 68 girls participated in the study. Half of the girls were placed into the treatment group; these girls were given the active drug. The other half of girls were placed into the control group and were given a placebo with no active ingredients. Their heights were measured at the time the hormone was first administered and...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT