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

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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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Melting of ice exemplifies a/an

A. Adiabatic process

B. Endothermic reaction

C. Exothermic reaction

D. Process involving a chemical reaction

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In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

A. Increase

B. Decrease

C. Not alter

D. None of these

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During adiabatic expansion of gas

A. Pressure remains constant

B. Pressure is increased

C. Temperature remains constant

D. None of these

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A large iceberg melts at the base, but not at the top, because of the reason that

A. Ice at the base contains impurities which lowers its melting point

B. Due to the high pressure at the base, its melting point reduces

C. The iceberg remains in a warmer condition at the base

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

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Claude's liquefaction process employs the cooling of gases by

A. Expansion in an engine

B. Following a constant pressure cycle

C. Throttling

D. None of these

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Work done in case of free expansion is

A. Indeterminate

B. Zero

C. Negative

D. None of these

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The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be

A. More

B. Less

C. Same

D. Data insufficient to predict

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Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

A. 1

B. 2

C. 3

D. 4

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Which is not constant for an ideal gas?

A. (∂P/∂V)_T

B. (∂V/∂T)_P

C. (∂P/∂V)_V

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

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If two gases have same reduced temperature and reduced pressure, then they will have the same

A. Volume

B. Mass

C. Critical temperature

D. None of these

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For a cyclic process, a fixed ratio between heat and work

A. Always exists

B. May exist

C. Never exists

D. Is difficult to predict

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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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It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

A. The amount of work needed is path dependent

B. Work alone cannot bring out such a change of state

C. The amount of work needed is independent of path

D. More information is needed to conclude anything about the path dependence or otherwise of the work needed

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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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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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For an isothermal process, the internal energy of a gas

A. Increases

B. Decreases

C. Remains unchanged

D. Data insufficient, can't be predicted

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If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero

A. Enthalpy

B. Volume

C. Both 'a' & 'b'

D. Neither 'a' nor 'b'

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At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

A. Eutectic

B. Triple

C. Plait

D. Critical

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The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

A. 100,000 kW

B. 160,000 kW

C. 200,000 kW

D. 320,000 kW

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The ammonia synthesis reaction represented by N₂ + 3H₂ 2NH₃; ΔH = - 22.4 kcal, is

A. Endothermic

B. Exothermic

C. Isothermal

D. Adiabatic

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For an ideal liquid solution, which of the following is unity?

A. Activity

B. Fugacity

C. Activity co-efficient

D. Fugacity co-efficient

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

A. Stirling

B. Brayton

C. Rankine

D. Both (B) and (C)

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The chemical potential for a pure substance is __________ its partial molal free energy.

A. More than

B. Less than

C. Equal to

D. Not related to

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The heat capacities for the ideal gas state depend upon the

A. Pressure

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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Work done in an adiabatic process between two states depends on the

A. Rate of heat transmission

B. Initial state only

C. End states only

D. None of these

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No work is done by the system, when a reaction occurs at constant

A. Volume

B. Temperature

C. Pressure

D. None of these

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Ideal gas law is applicable at

A. Low T, low P

B. High T, high P

C. Low T, high P

D. High T, low P

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The first law of thermodynamics is a statement of conservation of

A. Heat

B. Momentum

C. Energy

D. Work

Discuss this answer

Pick out the wrong statement:

A. The expansion of a gas in vacuum is an irreversible process

B. An isometric process is a constant pressure process

C. Entropy change for a reversible adiabatic process is zero

D. Free energy change for a spontaneous process is negative

Discuss this answer

PV^y = constant, holds good for an isentropic process, which is

A. Reversible and isothermal

B. Isothermal and irreversible

C. Reversible and adiabatic

D. Adiabatic and irreversible

Discuss this answer

Accepted Answer

B. Pressure

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

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Melting of ice exemplifies a/an

In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

During adiabatic expansion of gas

A large iceberg melts at the base, but not at the top, because of the reason that

Claude's liquefaction process employs the cooling of gases by

Work done in case of free expansion is

The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be

Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

Which is not constant for an ideal gas?

If two gases have same reduced temperature and reduced pressure, then they will have the same

For a cyclic process, a fixed ratio between heat and work

For a real gas, the chemical potential is given by

It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

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

Chemical potential of ith component of a system is given by

For an isothermal process, the internal energy of a gas

If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero

At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

The ammonia synthesis reaction represented by N₂ + 3H₂ 2NH₃; ΔH = - 22.4 kcal, is

For an ideal liquid solution, which of the following is unity?

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

The chemical potential for a pure substance is __________ its partial molal free energy.

The heat capacities for the ideal gas state depend upon the

Work done in an adiabatic process between two states depends on the

No work is done by the system, when a reaction occurs at constant

Ideal gas law is applicable at

The first law of thermodynamics is a statement of conservation of

Pick out the wrong statement:

PV^y = constant, holds good for an isentropic process, which is

Also checkout

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

Correct Answer :

Show all Chemical Engineering Thermodynamics MCQ

Related Questions

Melting of ice exemplifies a/an

In the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

During adiabatic expansion of gas

A large iceberg melts at the base, but not at the top, because of the reason that

Claude's liquefaction process employs the cooling of gases by

Work done in case of free expansion is

The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be

Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is

Which is not constant for an ideal gas?

If two gases have same reduced temperature and reduced pressure, then they will have the same

For a cyclic process, a fixed ratio between heat and work

For a real gas, the chemical potential is given by

It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

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

Chemical potential of ith component of a system is given by

For an isothermal process, the internal energy of a gas

If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero

At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.

The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is

The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is

For an ideal liquid solution, which of the following is unity?

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

The chemical potential for a pure substance is __________ its partial molal free energy.

The heat capacities for the ideal gas state depend upon the

Work done in an adiabatic process between two states depends on the

No work is done by the system, when a reaction occurs at constant

Ideal gas law is applicable at

The first law of thermodynamics is a statement of conservation of

Pick out the wrong statement:

PVy = constant, holds good for an isentropic process, which is

Also checkout

In the decomposition of PCl₅ represented by, PCl₅ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

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

The ammonia synthesis reaction represented by N₂ + 3H₂ 2NH₃; ΔH = - 22.4 kcal, is

PV^y = constant, holds good for an isentropic process, which is