Multiple Choice
A perfectly reversible heat pump with a coefficient of performance of 14 supplies energy to a building as heat to maintain its temperature at 27°C.If the pump motor does work at the rate of 1 kW, at what rate does the pump supply energy to the building?
A) 15 kW
B) 3.9 kW
C) 1.4 kW
D) 0.26 kW
E) 0.067 kW
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Which of the following is NOT a
Q3: Let S<sub>I </sub> denote the change in
Q4: An ideal gas, consisting of n moles,
Q5: For all reversible processes involving a system
Q6: On a warm day a pool of
Q7: A slow (quasi-static)process is NOT reversible if:<br>A)the
Q8: Consider the following processes: The temperatures of
Q9: Let k be the Boltzmann constant.If the
Q10: The temperature T<sub>L</sub> of the cold reservoirs
Q11: A refrigerator absorbs energy of magnitude <img