In the equation PVⁿ = constant, if the value of n = y = C_p/C_v, then it represents a reversible __________ process.

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In the equation PVⁿ = constant, if the value of n = y = C_p/C_v, then it represents a reversible __________ process.

A. Isothermal

B. Adiabatic

C. Isentropic

D. Polytropic

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For a constant volume process

A. dE = C_pdT

B. dE = C_vdT

C. dQ = dE + pdV

D. dW = pdV

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Kopp's rule is used to calculate the heat capacity of

A. Solids

B. Liquids

C. Gases

D. All (A), (B) & (C)

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Pick out the correct statement.

A. The available energy in an isolated system for all irreversible (real) processes decreases

B. The efficiency of a Carnot engine increases, if the sink temperature is decreased

C. The reversible work for compression in non-flow process under isothermal condition is the change in Helmholtz free energy

D. All (A), (B) and (C)

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The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

A. Kelvin's

B. Antoines

C. Kirchoffs

D. None of these

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

A. Low temperature

B. High pressure

C. Both (A) and (B)

D. Neither (A) nor (B)

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For an ideal gas, the enthalpy

A. Increases with rise in pressure

B. Decreases with rise in pressure

C. Is independent of pressure

D. Is a path function

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Which of the following is true for Virial equation of state?

A. Virial co-efficients are universal constants

B. Virial co-efficients 'B' represents three body interactions

C. Virial co-efficients are function of temperature only

D. For some gases, Virial equations and ideal gas equations are the same

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At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

A. 72

B. 92

C. 142

D. 192

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Fugacity and pressure are numerically equal, when the gas is

A. In standard state

B. At high pressure

C. At low temperature

D. In ideal state

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In the equation, PVⁿ = constant, if the value of n is in between 1 and y (i.e. C_p/C_v), then it represents a reversible __________ process.

A. Isometric

B. Polytropic

C. Isentropic

D. Isobaric

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Which of the following behaves most closely like an ideal gas?

A. He

B. N₂

C. O₂

D. H₂

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Boiling of liquid is accompanied with increase in the

A. Vapor pressure

B. Specific Gibbs free energy

C. Specific entropy

D. All (A), (B) and (C)

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If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the

A. Maxwell's equation

B. Clausius-Clapeyron Equation

C. Van Laar equation

D. Nernst Heat Theorem

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Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

A. 1st

B. Zeroth

C. 3rd

D. None of these

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A system in which there is exchange of energy but not of mass, is called a/an __________ system.

A. Isolated

B. Open

C. Insulated

D. Closed

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

A. Less

B. More

C. Same

D. Dependent on climatic conditions

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Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

A. Bomb

B. Separating

C. Bucket

D. Throttling

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1st law of thermodynamics is nothing but the law of conservation of

A. Momentum

B. Mass

C. Energy

D. None of these

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Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

A. Sublimation

B. Fusion

C. Transition

D. Vaporisation

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A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

A. Isolated

B. Closed

C. Open

D. None of these

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Third law of thermodynamics is concerned with the

A. Value of absolute entropy

B. Energy transfer

C. Direction of energy transfer

D. None of these

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Which of the following non-flow reversible compression processes require maximum work?

A. Adiabatic process

B. Isothermal process

C. Isobaric process

D. All require same work

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For a single component two phase mixture, the number of independent variable properties are

A. Two

B. One

C. Zero

D. Three

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In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

A. C_p < C_v

B. C_p = C_v

C. C_p > C_v

D. C ≥ C_v

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Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

A. T₂/(T₁ - T₂)

B. T₁/(T₁ - T₂)

C. (T₁ - T₂)/T₁

D. (T₁ - T₂)/T₂

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The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.

A. Contracts

B. Expands

C. Does not change in volume

D. Either (A), (B) or (C)

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The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns constant, T = absolute temperature)

A. √(2KT/m)

B. √(3KT/m)

C. √(6KT/m)

D. 3KT/m

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Mollier diagram is a plot of

A. Temperature vs. enthalpy

B. Temperature vs. enthalpy

C. Entropy vs. enthalpy

D. Temperature vs. internal energy

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Standard temperature and pressure (S.T.P.) is

A. 0°C and 750 mm Hg

B. 15°C and 750 mm Hg

C. 0°C and 1 kgf/cm2

D. 15°C and 1 kgf/cm2

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The four properties of a system viz. P, V, T, S are related by __________ equation.

A. Gibbs-Duhem

B. Gibbs-Helmholtz

C. Maxwell's

D. None of these

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Accepted Answer

C. Isentropic

In the equation PVⁿ = constant, if the value of n = y = C_p/C_v, then it represents a reversible __________ process.

Correct Answer :

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Related Questions

For a constant volume process

Kopp's rule is used to calculate the heat capacity of

Pick out the correct statement.

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

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

For an ideal gas, the enthalpy

Which of the following is true for Virial equation of state?

At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

Fugacity and pressure are numerically equal, when the gas is

In the equation, PVⁿ = constant, if the value of n is in between 1 and y (i.e. C_p/C_v), then it represents a reversible __________ process.

Which of the following behaves most closely like an ideal gas?

Boiling of liquid is accompanied with increase in the

If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

A system in which there is exchange of energy but not of mass, is called a/an __________ system.

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

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

1st law of thermodynamics is nothing but the law of conservation of

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

Third law of thermodynamics is concerned with the

Which of the following non-flow reversible compression processes require maximum work?

For a single component two phase mixture, the number of independent variable properties are

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.

The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns constant, T = absolute temperature)

Mollier diagram is a plot of

Standard temperature and pressure (S.T.P.) is

The four properties of a system viz. P, V, T, S are related by __________ equation.

Also checkout

In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

For a constant volume process

Kopp's rule is used to calculate the heat capacity of

Pick out the correct statement.

The variation of heat of reaction with temperature at constant pressure is given by the __________ law.

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

For an ideal gas, the enthalpy

Which of the following is true for Virial equation of state?

At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

Fugacity and pressure are numerically equal, when the gas is

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process.

Which of the following behaves most closely like an ideal gas?

Boiling of liquid is accompanied with increase in the

If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

A system in which there is exchange of energy but not of mass, is called a/an __________ system.

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

Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam.

1st law of thermodynamics is nothing but the law of conservation of

Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of

A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.

Third law of thermodynamics is concerned with the

Which of the following non-flow reversible compression processes require maximum work?

For a single component two phase mixture, the number of independent variable properties are

In a P-V diagram (for an ideal gas), an isothermal curve will coincide within adiabatic curve (through a point), when

Co-efficient of performance for a reversed Carnot cycle working between temperatures T1 and T2 (T1 > T2) is

The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.

The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzmanns constant, T = absolute temperature)

Mollier diagram is a plot of

Standard temperature and pressure (S.T.P.) is

The four properties of a system viz. P, V, T, S are related by __________ equation.

Also checkout

In the equation PVⁿ = constant, if the value of n = y = C_p/C_v, then it represents a reversible __________ process.

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

In the equation, PVⁿ = constant, if the value of n is in between 1 and y (i.e. C_p/C_v), then it represents a reversible __________ process.

Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is