Question
Physics Question on work, energy and power
An engine operating between the boiling and freezing points of water will have
1. efficiency more than 27%
2. efficiency less than the efficiency a Carnot engine operating between the same two temperatures.
3. efficiency equal to 27%
4. efficiency less than 27%
A
B and C only
B
B and D only
C
A and B only
D
B, C and D only
Answer
B and D only
Explanation
Solution
The correct option is(B): B and D only