Question

what is carnot engine describe its construction working and drive an expression for its efficiency​

Answer 1

Answer:

Ideal engine

Reversible engine

Based on cyclic process

4 thermodynamics process involved

Explanation:

1.Isothermal expansion

∆U=Q-W

∆U=0

Q=W

Q1=2.303nRTlog10 V2/V1

2. Adiabatic expansion

∆=Q-W

Q=0

∆U=-W2

-W2=-nR[T1-T2]/1-Y

3. Isothermal compression

∆U=Q-W

-Q2=W3

=2.303nRT2 log10V3/V4

4. Adiabatic compression

∆U=Q-W

∆U=-W=-nRT1-T2/1-Y

Efficiency=output/input

=W1+W2-[W3+W4]/Q1

=W1-W3/Q1....... [W2=-W4]

=Q1-Q2/Q1

Efficiency=1-Q2/Q1......

BY SUBSTITUTING OTHER VALUES OF Q2 AND Q1 WE GET FORMULA AS

Efficiency=1-T2/T1

HOPE THIS HELPED YOU.....

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Answer 2

Answer:

Its a type of engine found in vehicles.. A very powerful one.... And.... ilu type of engine.... It's blueberry coloured..... And also called a bishh