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Engineering Thermodynamics

Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

2
16
32
8

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Decreasing the highest temperature
Increasing the highest temperature
Increasing the lowest temperature
Keeping the lowest temperature constant

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Engineering Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to

1 kgf/cm²
1.0197 kgf/cm²
0 kgf/cm²
1.033 kgf/cm²

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Engineering Thermodynamics
If in the equation pvn = C, the value of n = ∝, then the process is called

Adiabatic process
Isothermal process
Constant volume process
Constant pressure process

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

Third kind
None of these
First kind
Second kind

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Less than
Greater than
Equal to
None of these

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