Question

A machine follow Carnot which is working between the temperatures TL = 45.9 0 C and...

A machine follow Carnot which is working between the temperatures TL = 45.9 0
C and
TH = 698.7 0
C. The engine performs 1423 J of work each cycle which takes 0.32 sec.
a. What is the efficiency of this machine?
b. What is the average power of this machine?
c. How much heat is extracted from the high-T reservoir each cycle?
d. Explain the loss of power and how to optimize it?

Engineering   Civil-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

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
A machine follow Carnot which is working between the temperatures TL = 45.9 0 C and...
A machine follow Carnot which is working between the temperatures TL = 45.9 0 C and TH = 698.7 0 C. The engine performs 1423 J of work each cycle which takes 0.32 sec. a. What is the efficiency of this machine? b. What is the average power of this machine? c. How much heat is extracted from the high-T reservoir each cycle? d. Explain the loss of power and how to optimize it?
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...
A Carnot engine of efficiency 43% operates with a cold reservoir at 28°C and exhausts 1210...
A Carnot engine of efficiency 43% operates with a cold reservoir at 28°C and exhausts 1210 J of heat each cycle. What is the entropy change for the hot reservoir?
A heat engine operates in a Carnot cycle between 74.0°C and 342°C. It absorbs 21,100 J...
A heat engine operates in a Carnot cycle between 74.0°C and 342°C. It absorbs 21,100 J of energy every second from the hot reservoir. What is the mechanical power output (in kW) of this engine? Round your answer to 2 decimal places.
Question 3) Which one of the following statements concerning the efficiency of a Carnot heat engine...
Question 3) Which one of the following statements concerning the efficiency of a Carnot heat engine is true? A) The efficiency of an irreversible engine is typically greater than that of a reversible engine operating under the same circumstances. B) The efficiency is dependent on whether an ideal or non-ideal gas is used. C) One hundred percent efficiency is possible if the engine can be operated in reverse. D) The efficiency is not dependent on the temperatures of the hot...
A nuclear power plant operates at 63 % of its maximum theoretical (Carnot) efficiency between temperatures...
A nuclear power plant operates at 63 % of its maximum theoretical (Carnot) efficiency between temperatures of 620 ∘C and 400 ∘C. If the plant produces electric energy at the rate of 1.2 GWGW , how much exhaust heat is discharged per hour?
A nuclear power plant operates at 68 % of its maximum theoretical (Carnot) efficiency between temperatures...
A nuclear power plant operates at 68 % of its maximum theoretical (Carnot) efficiency between temperatures of 665 ∘C and 330 ∘C. A. If the plant produces electric energy at the rate of 1.4 GW , how much exhaust heat is discharged per hour?
An ice-making machine operates with the maximum efficiency allowed by thermodynamics (it is a Carnot engine)....
An ice-making machine operates with the maximum efficiency allowed by thermodynamics (it is a Carnot engine). It takes heat from water at 0 C and discards heat to a room at 23.32 C. Suppose that 34 kg of water at 0 C are converted to ice at 0 C. How much work must be done by the machine to accomplish this? The latent heat of fusion of water is L f = 33.4 x 10 5 J/kg. 0.1017986512905 x 106...
A nuclear power plant operates at 80 percent of its maximum theoretical (Carnot) efficiency between temperatures...
A nuclear power plant operates at 80 percent of its maximum theoretical (Carnot) efficiency between temperatures of 580oC and 270°C. If the plant produces electric energy at the rate of 1.45 Giga-Watts, how much exhaust heat is discharged per hour?
A nuclear power plant operates at 80 percent of its maximum theoretical (Carnot) efficiency between temperatures...
A nuclear power plant operates at 80 percent of its maximum theoretical (Carnot) efficiency between temperatures of 600oC and 330°C. If the plant produces electric energy at the rate of 1.55 Giga-Watts, how much exhaust heat is discharged per hour?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT