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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
With increase in compression ratio, the efficiency of the otto engine

Increases
Decreases
Increases linearly
Remains constant

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Chemical Engineering Thermodynamics
In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

High pressure
Both A and B
Low temperature
Neither A nor B

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Chemical Engineering Thermodynamics
Entropy change for an irreversible isolated system is

> 0
∞
< 0

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Chemical Engineering Thermodynamics
Enthalpy 'H' is defined as

H - E = PV
H = F - TS
H = E - PV
None of these

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Chemical Engineering Thermodynamics
In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent.

1
0.25
0.75
0.5

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Chemical Engineering Thermodynamics
At the critical point of a substance

There is no distinction between liquid and vapour phases
Liquid and vapour have the same density
The surface tension vanishes
All of these

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