Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 2 (Q.No. 16)
16.
Which is the incorrect statement about Carnot cycle?
It is used as the alternate standard of comparison of all heat engines.
All the heat engines are based on Carnot cycle.
It provides concept of maximising work output between the two temperature limits.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
19 comments Page 1 of 2.

Shekar said:   10 years ago
We know that Carnot cycle is reversible and having high efficiency among all cycles i.e. unity so, to maximize the efficiency of all cycles we need to follow the ideal cycle properties.

Rahul kumar said:   9 years ago
I didn't understand. Can you please explain?

Muhammad said:   9 years ago
The correct one for me is D.

Carnot is the highest Theoretical Efficiency in all cycles, which mean for the same temp limits, Carnot gives the highest work output (Which makes C as a correct one).

To compare all engine cycles you should have a standard one to compare with and you can't find a better one than Carnot to compare with (which makes A as a correct one).

Sudhakar said:   9 years ago
@Muhammad.

Here, the question asking to choose the incorrect one.

Dipesh said:   9 years ago
It is used as the alternate standard of comparison of all heat engines.

All the heat engines are based on Carnot cycle.

Both statements are related to each other I don't know how b is answered.

Chirag said:   9 years ago
I think answer is "e" - none of the above.

Vinit said:   9 years ago
Some are also base on rankaine cycle and other.

Vjay said:   9 years ago
But Rankaine cycle is still based on Carnot cycle.

Jay Vyas said:   9 years ago
Ideal Heat engine is based on carnot cycle.

Jagadesh said:   8 years ago
I think "all of above" is the wrong option. Because a, b, c options are true. They saying option B is wrong. But Carnot engine standard one all heat engines created based on this concept.


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