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Mechanical Engineering - Thermodynamics

Exercise : Thermodynamics - Section 1
16.
The most probable velocity of the gas molecules is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The efficiency of Diesel cycle approaches to Otto cycle efficiency when
cut-off is increased
cut-off is decreased
cut-off is zero
cut-off is constant
Answer: Option
Explanation:
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18.
The entropy __________ in an irreversible cyclic process.
remains constant
decreases
increases
Answer: Option
Explanation:
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19.
The atomic mass of oxygen is
12
14
16
32
Answer: Option
Explanation:
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20.
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
equal to one
less than one
greater than one
none of these
Answer: Option
Explanation:
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