Questions
The temperature entropy diagram of a reversible engine . cycle is given in the Fig. Its efficiency is:
a
1/ 3
b
2/3
c
1/2
d
1/4
detailed solution
Correct option is A
According to diagramHeat supplied Q1=32T0S0Along hypotenuseHeat rejected Q2=T0S0Along baseEfficiency η=WQ1=Q1-Q2Q1=32T0S0-T0S032T0S0=13Talk to our academic expert!
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An ideal Carnot engine whose efficiency is 40% receives heat at 500K if the efficiency is to be 50%, the intake temperature for the same exhaust temperature is.
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