8.
The efficiency of Carnot's engine working between - 73°C and 127 °C is
(a) 40% (b) 50% (c) 60% (d) 100%
Answers
Answered by
1
Answer:
50 percentage
Explanation:
A Carnot engine has an efficiency of 50% when its sink is at temperature of 2 7 o C 27^oC 27oC.
Answered by
2
Answer:
As per the question, we are asked to calculate the efficiency of the Carnot's engine.
The efficiency of a Carnot's engine is calculated as -
We know that 't' degree celsius =[ 273+t] K [K stands for kelvin]
= 127+273 K
= 400 K
= -73+273 K
=200
T1/T2=200/400=0.5
The efficiency
= 1-0.5 * 100
= 0.5*100
= 50%
Hope it helps u
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