The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

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The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

A. Temperature

B. Pressure

C. Composition

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

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The value of C_p & C_v respectively for monatomic gases in Kcal/kg Mole.°K are

A. 5 & 3

B. 3.987 & 1.987

C. 1.987 & 0.66

D. 0.66 & 1.987

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Air-refrigeration cycle

A. Is the most efficient of all refrigeration cycles

B. Has very low efficiency

C. Requires relatively large quantities of air to achieve a significant amount of refrigeration

D. Both (B) and (C)

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Isobaric process means a constant process.

A. Temperature

B. Pressure

C. Volume

D. Entropy

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Degrees of freedom at triple point will be

A. 0

B. 1

C. 2

D. 3

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Entropy change in case of reversible adiabatic process is

A. Minimum

B. Zero

C. Maximum

D. Indeterminate

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Pick out the wrong statement.

A. The values of (∂P/∂V)_T and (∂²P/∂V²)_T are zero for a real gas at its critical point

B. Heat transferred is equal to the change in the enthalpy of the system, for a constant pressure, non-flow, mechanically reversible process

C. Thermal efficiency of a Carnot engine depends upon the properties of the working fluid besides the source & sink temperatures

D. During a reversible adiabatic process, the entropy of a substance remains constant

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The specific heat of saturated water vapour at 100°C is

A. ∞

B. -ve

C. 0

D. +ve

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The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

A. (∂E/∂n_i)_{S, v, nj}

B. (∂G/∂n_i)_{T, P, nj} = (∂A/∂ni) _{T, v, nj}

C. (∂H/∂n_i)_{S, P, nj}

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

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Rotary lime kiln is an example of a/an __________ system.

A. Closed

B. Open

C. Isolated

D. Non-thermodynamic

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Sublimation temperature of dry ice (solid CO₂) is __________ °C.

A. -273

B. 0

C. -78

D. 5

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Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

A. Polar

B. Non-polar

C. Both (A) & (B)

D. Neither (A) nor (B)

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Which of the following is not an extensive property?

A. Free energy

B. Entropy

C. Refractive index

D. None of these

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Pick out the wrong statement pertaining to the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂.Degree of dissociation of PCl₅ will

A. Decrease on addition of Cl₂

B. Increase on addition of an inert gas at constant pressure

C. Decrease on increasing the pressure of the system

D. None of these

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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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First law of thermodynamics is mathematically stated as

A. dQ = dE + dW

B. dQ = dE - dW

C. dE = dQ + dW

D. dW = dQ + dE

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Chemical potential of ith component of a system is given by

A. μ_i = (∂F/∂n_i)_{T, P, ni}

B. μ_i = (∂A/∂n_i)_{T, P, ni}

C. μ_i = (∂F/∂n_i)_{T, P}

D. μ_i = (∂A/∂n_i)_{T, P}

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The internal energy of an ideal gas is a function of its __________ only.

A. Molecular size

B. Volume

C. Pressure

D. Temperature

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Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

A. Zeroth

B. First

C. Second

D. Third

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Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K)

A. λb/Tb

B. Tb/λb

C. √(λb/Tb)

D. √(Tb/λb)

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Gibbs-Duhem equation

A. States that n₁dμ₁ + n₂dμ₂ + ....n_jdμ_j = 0, for a system of definite composition at constant temperature and pressure

B. Applies only to binary systems

C. Finds no application in gas-liquid equilibria involved in distillation

D. None of these

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In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

A. Enhanced COP

B. Decreased COP

C. No change in the value of COP

D. Increased or decreased COP; depending upon the type of refrigerant

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Gibbs free energy at constant pressure and temperature under equilibrium conditions is

A. ∞

B. 0

C. Maximum

D. Minimum

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Which is not a refrigerant?

A. SO₂

B. NH₃

C. CCl₂F₂

D. C₂H₄Cl₂

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To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the

A. Volume of the liquid phase is negligible compared to that of vapour phase

B. Vapour phase behaves as an ideal gas

C. Heat of vaporisation is independent of temperature

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

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Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

A. Same

B. Doubled

C. Halved

D. One fourth of its original value

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Melting of wax is accompanied with __________ in entropy.

A. Increase

B. Decrease

C. No change

D. None of these

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Pick out the wrong statement.

A. Minimum number of degree of freedom of a system is zero

B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and hydrogen is 4

C. For a two phase system in equilibrium made up of four non-reacting chemical species, the number of degrees of freedom is 4

D. Enthalpy and internal energy change is zero during phase change processes like melting, vaporisation and sublimation

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For equilibrium process (i.e. reversible) in an isolated system

A. ds = 0

B. ds < 0

C. ds > 0

D. ds = Constant

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The minimum number of phases that can exist in a system is

A. 0

B. 1

C. 2

D. 3

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Gibbs-Helmholtz equation is

A. ΔF = ΔH + T [∂(ΔF)/∂T]P

B. ΔF = ΔH - TΔT

C. d(E - TS) T, V < 0

D. dP/dT = ΔH_vap/T.ΔV_vap

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Accepted Answer

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

The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

The value of C_p & C_v respectively for monatomic gases in Kcal/kg Mole.°K are

Air-refrigeration cycle

Isobaric process means a constant process.

Degrees of freedom at triple point will be

Entropy change in case of reversible adiabatic process is

Pick out the wrong statement.

The specific heat of saturated water vapour at 100°C is

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

Rotary lime kiln is an example of a/an __________ system.

Sublimation temperature of dry ice (solid CO₂) is __________ °C.

Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

Which of the following is not an extensive property?

Pick out the wrong statement pertaining to the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂.Degree of dissociation of PCl₅ will

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

First law of thermodynamics is mathematically stated as

Chemical potential of ith component of a system is given by

The internal energy of an ideal gas is a function of its __________ only.

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K)

Gibbs-Duhem equation

In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

Gibbs free energy at constant pressure and temperature under equilibrium conditions is

Which is not a refrigerant?

To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

Melting of wax is accompanied with __________ in entropy.

Pick out the wrong statement.

For equilibrium process (i.e. reversible) in an isolated system

The minimum number of phases that can exist in a system is

Gibbs-Helmholtz equation is

Also checkout

The chemical potential of any constituent of an ideal solution depends on the __________ of the solution.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are

Air-refrigeration cycle

Isobaric process means a constant process.

Degrees of freedom at triple point will be

Entropy change in case of reversible adiabatic process is

Pick out the wrong statement.

The specific heat of saturated water vapour at 100°C is

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by

Rotary lime kiln is an example of a/an __________ system.

Sublimation temperature of dry ice (solid CO2) is __________ °C.

Trouton's ratio of __________ liquids is calculated using Kistyakowsky equation.

Which of the following is not an extensive property?

Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree of dissociation of PCl5 will

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

First law of thermodynamics is mathematically stated as

Chemical potential of ith component of a system is given by

The internal energy of an ideal gas is a function of its __________ only.

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K)

Gibbs-Duhem equation

In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

Gibbs free energy at constant pressure and temperature under equilibrium conditions is

Which is not a refrigerant?

To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from the exact Clapeyron equation, it is assumed that the

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be

Melting of wax is accompanied with __________ in entropy.

Pick out the wrong statement.

For equilibrium process (i.e. reversible) in an isolated system

The minimum number of phases that can exist in a system is

Gibbs-Helmholtz equation is

Also checkout

The value of C_p & C_v respectively for monatomic gases in Kcal/kg Mole.°K are

Sublimation temperature of dry ice (solid CO₂) is __________ °C.

Pick out the wrong statement pertaining to the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂.Degree of dissociation of PCl₅ will

To obtain integrated form of Clausius-Clapeyron equation, ln (P₂/P₁) = (ΔH_V/R) (1/T₁ - 1/T₂) from the exact Clapeyron equation, it is assumed that the