Question

A steam engine working like an ideal heat
engine delivered 5.4 * 108 J of work per
minute and takes 3.6 x 109 J of heat per
minute from its boiler at 127°C. What is sink
temperature?
[NCERT Pg. 322]​

Answer 1

Answer:

The efficiency is given by

η=

Energy

Work done

η= 3.6×10 9

5.4×10

8

=0.15=15%

Energy wasted =3.6×10

9

−5.4×10

8

=3.06×10

9

J