Exercise: Thermodynamics

Questions for: Thermodynamics

For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.
A:
greater than
B:
less than
C:
equal to
D:
Answer: B
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The heat and mechanical energies are mutually convertible. This statement was established by
A:
Boyle
B:
Charles
C:
Joule
D:
none of these
Answer: C
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A cycle consisting of __________ and two isothermal processes is known as Stirling cycle.
A:
two constant pressure
B:
two constant volume
C:
two isentropic
D:
one constant pressure, one constant volume
Answer: B
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The main cause for the irreversibility is
A:
mechanical and fluid friction
B:
unrestricted expansion
C:
heat transfer with a finite temperature difference
D:
all of the above
Answer: D
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A triatomic molecule consists of __________ atoms.
A:
one
B:
two
C:
three
D:
four
Answer: C
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