A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)

Chemical Engineering Thermodynamics
A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively)

Arithmetic

Harmonic

Geometric

Logarithmic

Arithmetic

Harmonic

Geometric

Logarithmic

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Chemical Engineering Thermodynamics
During adiabatic expansion of gas

Pressure remains constant

None of these

Pressure is increased

Temperature remains constant

Pressure remains constant

None of these

Pressure is increased

Temperature remains constant

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Chemical Engineering Thermodynamics
The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

< 1

> 2

< 3

> 1

< 1

> 2

< 3

> 1

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Chemical Engineering Thermodynamics
Compound having large heat of formation is

Less stable

More stable

Not at all stable (like nascent O₂)

Either more or less stable ; depends on the compound

Less stable

More stable

Not at all stable (like nascent O₂)

Either more or less stable ; depends on the compound

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Chemical Engineering Thermodynamics
An irreversible process

Is an idealised visualisation of behaviour of a system

Is the analog of linear frictionless motion in machines

Yields an amount of work less than that of a reversible process

Yields the maximum amount of work

Is an idealised visualisation of behaviour of a system

Is the analog of linear frictionless motion in machines

Yields an amount of work less than that of a reversible process

Yields the maximum amount of work

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Chemical Engineering Thermodynamics
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

Less

Dependent on climatic conditions

More

Same

Less

Dependent on climatic conditions

More

Same

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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics During adiabatic expansion of gas

Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

Chemical Engineering Thermodynamics Compound having large heat of formation is

Chemical Engineering Thermodynamics An irreversible process

Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is

Chemical Engineering Thermodynamics
During adiabatic expansion of gas

Chemical Engineering Thermodynamics
The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always

Chemical Engineering Thermodynamics
Compound having large heat of formation is

Chemical Engineering Thermodynamics
An irreversible process

Chemical Engineering Thermodynamics
The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is