Two engines are working in such a way that sink of one is source of the other. Their efficiencies are equal. Find the temperature of the sink of first if its source temperature is 927∘C and temperature of sink of the second is 27∘C
A
327K
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B
327∘C
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C
600∘C
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D
none of these
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Solution
The correct option is B327∘C Efficiency (η)=1−T2T1=1−T3T2 Where, T1= temperature of first source T2= temperature of first sink= temperature of second source T3= temperature of second sink ∴T22=T1T3