SATHEE: Thermodynamics Question 156

Thermodynamics Question 156

Question: The temperature of sink of Carnot engine is $27^{o} C$ . Efficiency of engine is 25%. Then temperature of source is

[DCE 2002; CPMT 2002]

Options:

A) $227^{o} C$

B) $327^{o} C$

C) $127^{o} C$

D) $27^{o} C$

Show Answer

Answer:

Correct Answer: C

Solution:

$η = 1 - \frac{T_{2}}{T_{1}}$

Therefore $\frac{25}{100} = 1 - \frac{300}{T_{1}}$

Therefore $\frac{1}{4} = 1 - \frac{300}{T_{1}}$

$T_{1} = 400 K = 127^{\circ} C$

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Thermodynamics Question 156

Question: The temperature of sink of Carnot engine is 27oC . Efficiency of engine is 25%. Then temperature of source is

Options:

Answer:

Solution:

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Question: The temperature of sink of Carnot engine is $27^{o} C$ . Efficiency of engine is 25%. Then temperature of source is