Question

works between b. pt. of water and 30°C? What is the
3 (i) An engine operates between 727°C and 27°C
(ii) An engine operates between 727°C and 327°C and the waste heat is passed on to another engine working between
327°C and 27°C. Compare the officiencies in the two cases.
In order to increase the efficiency of a earnot engine would you increase the temperature of the source or decrease
the temperature of the sink?
100 What minimum work has to be
mon 209 and​

Answer 1

Answer:

multiply 75 into two and then the answer is and then multiply it by 27 and divide by 72.7 degree Celsius and 32.7 degree Celsius and the answer