1.

The efficiency of Carnot engine when source temperature is T1 and sink temperature is T2 will be             [DCE 2000]

A.            \[\frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{1}}}\]                        
B.             \[\frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{2}}}\]
C.            \[\frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{2}}}\]                        
D.            \[\frac{{{T}_{1}}}{{{T}_{2}}}\]
Answer» B.             \[\frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{2}}}\]


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