4.
A heat engine operates between the temperature of source T1 and sink T2 has efficiency 1/4. If T2 get half, then efficiency of the engine is
a. 1/2
b. 1/4
c. 1/8
d. 5/8
Answers
Answered by
0
Explanation:
option d is correct because t2 get half
Answered by
2
Answer:
ans: take the value of T2/T1 from 1st equation which is 3/4 and put it in second equation..then u got the ans which is 5/8
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