A reversible engine converts one –sixth of the heat input into work. When the temperature of the sink is reduced by 620C, that efficiency of the engine is doubled. Now the temperature of the source and sink are
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
800C, 370C
b
950C, 280C
c
900C, 370C
d
990C, 370C
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
w=16(Q), η=wQ=16 1−T2T1=16 −(1) 1−(T2−62)T1=13 −(2)solve (1) and (2) we get 1−(T2)T1+62T1=13 16+62T1=13 16=62T1 T1=372K=372-273=99°C 1−(T2)T1=16 (T2)T1=1-16=56 T2=56372=310K=310-273=37°C