The expression, nRT ln(P₁/P₂), is for the __________of an ideal gas.

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The expression, nRT ln(P₁/P₂), is for the __________of an ideal gas.

A. Compressibility

B. Work done under adiabatic condition

C. Work done under isothermal condition

D. Co-efficient of thermal expansion

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In case of an __________ process, the temperature of the system increases.

A. Isothermal compression

B. Isothermal expansion

C. Adiabatic expansion

D. Adiabatic compression

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A domestic refrigerator has a/an __________ cooled condenser.

A. Water

B. Air

C. Evaporative

D. Gas

Discuss this answer

Heat of formation of an element in its standard state is

A. 0

B. < 0

C. > 0

D. A function of pressure

Discuss this answer

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

A. Work done under adiabatic condition

B. Co-efficient of thermal expansion

C. Compressibility

D. None of these

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Solid and liquid phases of a substance are in equilibrium at the

A. Critical temperature

B. Melting point

C. Freezing point

D. Both (B) and (C)

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In an ideal gas mixture, fugacity of a species is equal to its

A. Vapor pressure

B. Partial pressure

C. Chemical potential

D. None of these

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The compressibility factor for an ideal gas is 1. Its value for any other real gas is

A. 1

B. < 1

C. > 1

D. Either (B) or (C), depends on the nature of the gas

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In a turbine, the fluid expands almost

A. Isothermally

B. Isobarically

C. Adiabatically

D. None of these

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

A. Straight line

B. Sine curve

C. Parabola

D. Hyperbola

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For a real gas, the chemical potential is given by

A. RT d ln P

B. RT d ln f

C. R d ln f

D. None of these

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What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?

A. 2

B. 0

C. 3

D. 1

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A system is said to be isopiestic, if there is no __________ change.

A. Temperature

B. Pressure

C. Volume

D. None of these

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The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

A. Critical

B. Boyle

C. Inversion

D. Reduced

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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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A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

A. Minimum

B. Zero

C. Maximum

D. None of these

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

A. Zeroth

B. First

C. Second

D. Third

Discuss this answer

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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Throttling (Joule-Thomson effect) process is a constant __________ process.

A. Enthalpy

B. Entropy

C. Pressure

D. None of these

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Which of the following identities can be most easily used to verify steam table data for superheated steam?

A. (∂T/∂V)_S = (∂p/∂S)_V

B. (∂T/∂P)_S = (∂V/∂S)_P

C. (∂P/∂T)_V = (∂S/∂V)_T

D. (∂V/∂T)_P = -(∂S/∂P)_T

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The most important application of distribution law is in

A. Evaporation

B. Liquid extraction

C. Drying

D. Distillation

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Extensive properties of a thermodynamic system depend upon the __________ of the system.

A. Specific volume

B. Temperature

C. Mass

D. Pressure

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A refrigeration cycle is the same as a __________ cycle,

A. Turbine

B. Heat engine

C. Reversed heat engine

D. None of these

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The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.

A. Internal energy

B. Enthalpy

C. Gibbs free energy

D. Helmholtz free energy

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Enthalpy changes over a constant pressure path are always zero for __________ gas.

A. Any

B. A perfect

C. An easily liquefiable

D. A real

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Equation which relates pressure, volume and temperature of a gas is called the

A. Equation of state

B. Gibbs Duhem equation

C. Ideal gas equation

D. None of these

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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

Discuss this answer

An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done during the cycle is

A. PV

B. 2PV

C. PV/2

D. 0

Discuss this answer

PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.

A. Isothermal

B. Isentropic

C. Isobaric

D. Adiabatic

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

A. Increased COP

B. Same COP

C. Decreased COP

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

Discuss this answer

Dry ice is

A. Moisture free ice

B. Solid helium

C. Solid carbon dioxide

D. None of these

Discuss this answer

Accepted Answer

C. Work done under isothermal condition

The expression, nRT ln(P₁/P₂), is for the __________of an ideal gas.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

In case of an __________ process, the temperature of the system increases.

A domestic refrigerator has a/an __________ cooled condenser.

Heat of formation of an element in its standard state is

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.

Solid and liquid phases of a substance are in equilibrium at the

In an ideal gas mixture, fugacity of a species is equal to its

The compressibility factor for an ideal gas is 1. Its value for any other real gas is

In a turbine, the fluid expands almost

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

For a real gas, the chemical potential is given by

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?

A system is said to be isopiestic, if there is no __________ change.

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

First law of thermodynamics is mathematically stated as

A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

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

Pick out the wrong statement.

Throttling (Joule-Thomson effect) process is a constant __________ process.

Which of the following identities can be most easily used to verify steam table data for superheated steam?

The most important application of distribution law is in

Extensive properties of a thermodynamic system depend upon the __________ of the system.

A refrigeration cycle is the same as a __________ cycle,

The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.

Enthalpy changes over a constant pressure path are always zero for __________ gas.

Equation which relates pressure, volume and temperature of a gas is called the

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

An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done during the cycle is

PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.

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

Dry ice is

Also checkout

The expression, nRT ln(P1/P2), is for the __________of an ideal gas.

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

In case of an __________ process, the temperature of the system increases.

A domestic refrigerator has a/an __________ cooled condenser.

Heat of formation of an element in its standard state is

The expression, nCv(T2 - T1), is for the __________ of an ideal gas.

Solid and liquid phases of a substance are in equilibrium at the

In an ideal gas mixture, fugacity of a species is equal to its

The compressibility factor for an ideal gas is 1. Its value for any other real gas is

In a turbine, the fluid expands almost

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

For a real gas, the chemical potential is given by

What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?

A system is said to be isopiestic, if there is no __________ change.

The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the __________ temperature.

First law of thermodynamics is mathematically stated as

A system is said to be at equilibrium, if the entropy of the system has reached __________ value.

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

Pick out the wrong statement.

Throttling (Joule-Thomson effect) process is a constant __________ process.

Which of the following identities can be most easily used to verify steam table data for superheated steam?

The most important application of distribution law is in

Extensive properties of a thermodynamic system depend upon the __________ of the system.

A refrigeration cycle is the same as a __________ cycle,

The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition.

Enthalpy changes over a constant pressure path are always zero for __________ gas.

Equation which relates pressure, volume and temperature of a gas is called the

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

An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done during the cycle is

PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process.

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

Dry ice is

Also checkout

The expression, nRT ln(P₁/P₂), is for the __________of an ideal gas.

The expression, nC_v(T₂ - T₁), is for the __________ of an ideal gas.