Multiple Choice
A certain heat engine draws 500 cal/s from a water bath at 27°C and transfers 400 cal/s to a reservoir at a lower temperature.The efficiency of this engine is:
A) 80%
B) 75%
C) 55%
D) 25%
E) 20%
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q42: A heat engine:<br>A)converts heat input to an
Q43: A heat engine operates between 200 K
Q44: An ideal gas expands into a vacuum
Q45: A Carnot engine operates with a cold
Q46: A heat engine in each cycle absorbs
Q48: A heat engine in each cycle absorbs
Q49: The maximum theoretical efficiency of a Carnot
Q50: An inventor claims to have a heat
Q51: One mole of an ideal gas expands
Q52: A force of 5 N stretches an