Q.

Two ideal engines A and B have their sources at 600 k and 400 k and their sinks at 300 k and 250 k respectively. What inference can be drawn about their efficiency

A. A is more efficient than B
B. A is less efficient than B
C. The information given is incomplete
D. Both are equally efficient
E. Pulsejet
Answer» A. A is more efficient than B
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