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Engineering Thermodynamics

Engineering Thermodynamics
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

Second kind
First kind
Third kind
None of these

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pv = m R T
pv = C
pvn = C
pvγ = C

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Engineering Thermodynamics
The atomic mass of oxygen is

14
16
18
121

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Engineering Thermodynamics
One watt is equal to

1 kNm/hr
1 Nm/hr
1 Nm/s
1 N/m

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

Less than
Equal to
None of these
Greater than

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

None of the listed here
Either heat absorbed or heat rejected
Heat rejected
Heat absorbed

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