Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Apne doubts clear karein ab Whatsapp par bhi. Try it now.

CLICK HERE

Watch 1000+ concepts & tricky questions explained!

100+

19

Text Solution

Solution :

`T_(h) =127^(0)C =127+273=400 K` <br> `T_(C) =47^(0)C =47+273 =320 K` <br> `%" efficiency "eta = ?` <br> `eta =[(T_(h)-T_(c))/(T_(h))]xx100` <br> `eta = [(400-320)/(400)]xx100` <br> `eta = [(80)/(400)]xx100` <br> `eta = 20%`