An example of a heat engine is
A) an aircraft turbine.
B) an automobile internal combustion motor.
C) the steam engine of a railroad train.
D) the gasoline motor of a leaf blower.
E) all of the above
Correct Answer:
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Q47: Entropy is most closely related to the
A)first
Q48: The ideal efficiency for a heat engine
Q49: High-quality energy in natural processes has a
Q50: Every heat engine
A)gains heat from a high-temperature
Q51: A heat engine would have 100% efficiency
Q53: Entropy measures temperature
A)at constant pressure.
B)at constant volume.
C)as
Q54: As a system becomes more disordered, entropy
A)increases.
B)decreases.
C)remains
Q55: Two identical blocks of iron are placed
Q56: Systems alone tend to move toward a
Q57: Systems alone tend to move toward
A)order.
B)disorder.
C)temperature inversions.
D)none
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