Question

A Carnot engine whose source is at 1000 K, takes 800 cal of heat and rejects 600 cal to the sink. Determine temperature of the sink.
. A
A.
750 K
В.
O 250 K
C.
O 400 K
D.
O 500 K​

Answer 1

Answer: option A

Explanation:

As efficiency= heat supplied-heat lost/heat supplied

=800-600/800

=1/4..

And efficiency= 1-T2/T1

1/4=1-T2/T1

T2=750K..