Question

The efficiency of a carnot engine operating between the temperatures T1 and T2 of the source and the sink respectively can be increased by
(i) increasing the sum (T1 + T2)
(ii) decreasing the difference (T1 - T2)
(iii) decreasing the ratio (T2/T1)
(iv) increasing the ratio (T2/T1)​

Answer 1

Answer:

η

1

=1−

T

1

T

2

=

6

1

(1)

η

2

=1−

T

1

T

2

−62

=

3

1

.(2)

By solving these equations , we get

T

1

=372K

T

1

T

1

−T

2

=

6

1

T

2

=310K