One important feature of the Carnot cycle is that it
A. predicts the maximum efficiency of a heat engine operating between two temperatures.
B. maximizes the entropy of a heat engine operating between two temperatures.
C. specifies the operating temperatures of any heat engine.
D. converts all of the heat flowing into an engine to work.
Answer: A
You might also like to view...
Size of the Nucleus: Estimate the mass of a nucleus with radius 2.8 ×10-15 m. (1 u = 1.6605 × 10-27 kg)
A. about 2.1 × 10-26 kg B. about 7.5 × 10-27 kg C. about 2.3 × 10-26 kg D. about 4.7 × 10-26 kg
Star A has a temperature 1/4 that of star B. Both star A and star B are the same physical size. Which statement below is correct?
A) Star A is redder and dimmer than star B. B) Star A is bluer and dimmer than star B. C) Star A is redder and brighter than star B. D) Star A is bluer and brighter than star B. E) Star A and star B have the same color, but star A is brighter.
The period and frequency of a simple pendulum depend on the mass of the pendulum bob
Indicate whether the statement is true or false
A 0.40-kg particle moves under the influence of a single conservative force. At point A where the particle has a speed of 10 m/s, the potential energy associated with the conservative force is +40 J. As the particle moves from A to B, the force does +25 J of work on the particle. What is the value of the potential energy at point B?
a. +65 J b. +15 J c. +35 J d. +45 J e. ?40 J