Multiple Choice
An ideal frictionless engine absorbs heat at 400 K and exhausts heat at 300 K.Its efficiency is
A) 25%.
B) 33%.
C) 75%.
D) 133%.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q4: If the pressure on 10 m<sup>3</sup> of
Q5: A temperature of 120<sup> <span class="ql-formula"
Q8: Of the substances below, the one with
Q9: The physics underlying the operation of a
Q10: Heat can be transferred through a solid
Q11: If a heat engine that exhausts heat
Q21: Fifty kJ of heat is added
Q27: Steam at 100 <span class="ql-formula" data-value="\degree"><span
Q58: The first law of thermodynamics is the
Q59: The melting point of water is