Entropy change in case of reversible adiabatic process is

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Entropy change in case of reversible adiabatic process is

B. Zero

Correct Answer :

B. Zero

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For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

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Pick out the wrong statement.

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In a homogeneous solution, the activity coefficient of a component depends upon the

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Compound having large heat of formation is

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

Discuss this answer

Equilibrium constant of a reaction varies with the

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Equilibrium constant decreases as the temperature

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Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

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Gibbs free energy (F) is defined as

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The expression for entropy change, ΔS = n C_p . ln (T₂/T₁), is valid for the __________ of a substance.

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Isentropic process means a constant __________ process.

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Henry's law is closely obeyed by a gas, when its __________ is extremely high.

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Work done is a

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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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Chemical potential of ith component of a system is given by

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Heat is added at constant pressure in an ideal __________ cycle.

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Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?

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Refrigerants commonly used for domestic refrigerators are

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In a homogeneous solution, the fugacity of a component depends upon the

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In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process.

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Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is

A. 0

B. ∞

C. +ve

D. -ve

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With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

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In an ideal solution, the activity of a component equals its

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Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

C. Steady

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The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is

A. ∞

B. 1

C. 0

D. -ve

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Which of the following diagrams does not represent an Otto cycle?

A.

B.

C.

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In any spontaneous process, the __________ free energy decreases.

B. Gibbs

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Free energy change of mixing two liquid substances is a function of the

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Domestic refrigerator usually works on the __________ refrigeration cycle.

A. Carnot

B. Air

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Which of the following liquid metals has the highest thermal conductivity?

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Answer 1

A. Minimum

Answer 2

C. Maximum

Answer 3

D. Indeterminate

Answer 4

A. Steam to ethylene ratio

Answer 5

B. Temperature

Answer 6

C. Pressure

Answer 7

D. None of these

Answer 8

A. At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature

Answer 9

B. Normally, the gases which are easily liquefied are more soluble in common solvents

Answer 10

C. The gases which are capable of forming ions in aqueous solution are much more soluble in water than in other solvents

Answer 11

D. At constant pressure, solubility of a gas in a liquid increases with rise in temperature

Answer 12

A. Pressure

Answer 13

B. Composition

Answer 14

C. Temperature

Answer 15

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

Answer 16

A. More stable

Answer 17

B. Less stable

Answer 18

C. Not at all stable (like nascent O2)

Answer 19

D. Either more or less stable; depends on the compound

Answer 20

A. Enhanced COP

Answer 21

B. Decreased COP

Answer 22

C. No change in the value of COP

Answer 23

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

Answer 24

A. Initial concentration of the reactant

Answer 25

B. Pressure

Answer 26

C. Temperature

Answer 27

D. None of these

Answer 28

A. Increases, for an exothermic reaction

Answer 29

B. Decreases, for an exothermic reaction

Answer 30

C. Increases, for an endothermic reaction

Answer 31

D. None of these

Answer 32

A. Straight line

Answer 33

B. Sine curve

Answer 34

C. Parabola

Answer 35

D. Hyperbola

Answer 36

A. F = E - TS

Answer 37

B. F = H - TS

Answer 38

C. F = H + TS

Answer 39

D. F = E + TS

Answer 40

A. Simultaneous pressure & temperature change

Answer 41

B. Heating

Answer 42

C. Cooling

Answer 43

D. Both (B) and (C)

Answer 44

A. Enthalpy

Answer 45

B. Pressure

Answer 46

C. Entropy

Answer 47

D. None of these

Answer 48

A. Pressure

Answer 49

B. Solubility

Answer 50

C. Temperature

Answer 51

D. None of these

Answer 52

A. Property of the system

Answer 53

B. Path function

Answer 54

C. Point function

Answer 55

D. State description of a system

Answer 56

A. μ_i = (∂F/∂n_i)_{T, P, ni}

Answer 57

B. μ_i = (∂A/∂n_i)_{T, P, ni}

Answer 58

C. μ_i = (∂F/∂n_i)_{T, P}

Answer 59

D. μ_i = (∂A/∂n_i)_{T, P}

Answer 60

A. Stirling

Answer 61

B. Brayton

Answer 62

C. Rankine

Answer 63

D. Both (B) and (C)

Answer 64

A. Air cycle

Answer 65

B. Carnot cycle

Answer 66

C. Ordinary vapour compression cycle

Answer 67

D. Vapour compression with a reversible expansion engine

Answer 68

A. Ethyl chloride or methyl chloride

Answer 69

B. Freon-12

Answer 70

C. Propane

Answer 71

D. NH3 or CO2

Answer 72

A. Pressure

Answer 73

B. Composition

Answer 74

C. Temperature

Answer 75

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

Answer 76

A. Adiabatic

Answer 77

B. Isometric

Answer 78

C. Isentropic

Answer 79

D. Isothermal

Answer 80

A. Increases

Answer 81

B. Decreases

Answer 82

C. Remain same

Answer 83

D. Decreases linearly

Answer 84

A. Mole fraction

Answer 85

B. Fugacity at the same temperature and pressure

Answer 86

C. Partial pressure

Answer 87

D. None of these

Answer 88

A. Equilibrium

Answer 89

B. Adiabatic

Answer 90

D. Unsteady

Answer 91

D. None of these

Answer 92

A. Helmholtz

Answer 93

C. Both a & b

Answer 94

D. Neither 'a' nor 'b'

Answer 95

A. Concentration of the constituents only

Answer 96

B. Quantities of the constituents only

Answer 97

C. Temperature only

Answer 98

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

Answer 99

C. Absorption

Answer 100

D. vapour-ejection

Answer 101

A. Molten sodium

Answer 102

B. Molten lead

Answer 103

C. Mercury

Answer 104

D. Molten potassium

Entropy change in case of reversible adiabatic process is

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

Pick out the wrong statement.

In a homogeneous solution, the activity coefficient of a component depends upon the

Compound having large heat of formation is

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

Equilibrium constant of a reaction varies with the

Equilibrium constant decreases as the temperature

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

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The expression for entropy change, ΔS = n C_p . ln (T₂/T₁), is valid for the __________ of a substance.

Isentropic process means a constant __________ process.

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Heat is added at constant pressure in an ideal __________ cycle.

Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?

Refrigerants commonly used for domestic refrigerators are

In a homogeneous solution, the fugacity of a component depends upon the

In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process.

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

In an ideal solution, the activity of a component equals its

Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is

Which of the following diagrams does not represent an Otto cycle?

In any spontaneous process, the __________ free energy decreases.

Free energy change of mixing two liquid substances is a function of the

Domestic refrigerator usually works on the __________ refrigeration cycle.

Which of the following liquid metals has the highest thermal conductivity?

Also checkout

Entropy change in case of reversible adiabatic process is

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the

Pick out the wrong statement.

In a homogeneous solution, the activity coefficient of a component depends upon the

Compound having large heat of formation is

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

Equilibrium constant of a reaction varies with the

Equilibrium constant decreases as the temperature

Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a

Gibbs free energy (F) is defined as

The expression for entropy change, ΔS = n Cp . ln (T2/T1), is valid for the __________ of a substance.

Isentropic process means a constant __________ process.

Henry's law is closely obeyed by a gas, when its __________ is extremely high.

Work done is a

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

Chemical potential of ith component of a system is given by

Heat is added at constant pressure in an ideal __________ cycle.

Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?

Refrigerants commonly used for domestic refrigerators are

In a homogeneous solution, the fugacity of a component depends upon the

In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process.

Joule-Thomson co-efficient which is defined as, η = (∂T/∂P)H = 1/Cp (∂H/∂T)P, changes sign at a temperature known as inversion temperature. The value of Joule-Thomson co-efficient at inversion temperature is

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure

In an ideal solution, the activity of a component equals its

Filling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.

The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point is

Which of the following diagrams does not represent an Otto cycle?

In any spontaneous process, the __________ free energy decreases.

Free energy change of mixing two liquid substances is a function of the

Domestic refrigerator usually works on the __________ refrigeration cycle.

Which of the following liquid metals has the highest thermal conductivity?

Also checkout

For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ↔ C₂H₅OH(g), the equilibrium conversion does not depend on the

The expression for entropy change, ΔS = n C_p . ln (T₂/T₁), is valid for the __________ of a substance.

The Joule-Thomson co-efficient is defined as (∂T/∂P)_H. Its value at the inversion point is