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Engineering Thermodynamics

Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

32
16
14
12

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Perfect gas
Steam
Air
Vapour

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Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

Volume
Pressure
All of these
Temperature

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

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

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Engineering Thermodynamics
In a reversible adiabatic process, the ratio of T1/T2 is equal to

(p2/p1)γ - 1/ γ
(p1/p2)γ - 1/ γ
(v1/v2)γ - 1/ γ
(v2/v1)γ - 1/ γ

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Engineering Thermodynamics
The atomic mass of oxygen is

14
18
121
16

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