Chemical Engineering Thermodynamics MCQs

Question 1

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

Accepted Answer

End states only

Answer

Rate of heat transmission

Answer

Initial state only

Answer

None of these

Question 2

Which is a state function?

Accepted Answer

Work

Answer

Specific volume

Answer

Pressure

Answer

Temperature

Question 3

Pick out the wrong statement.

Accepted Answer

None of these

Answer

An ideal liquid or solid solution is defined as one in which each component obeys Raoult's law

Answer

If Raoult's law is applied to one component of a binary mixture; Henry's law or Raoult's law is applied to the other component also

Answer

Henry's law is rigorously correct in the limit of infinite dilution

Question 4

Which is not a refrigerant?

Accepted Answer

C2H4Cl2

Answer

SO2

Answer

NH3

Answer

CCl2F2

Question 5

Work done is a

Accepted Answer

Path function

Answer

Property of the system

Answer

Point function

Answer

State description of a system

Question 6

For a constant pressure reversible process, the enthalpy change (ΔH) of the system is

Accepted Answer

∫Cp.dT

Answer

Cv.dT

Answer

Cp.dT

Answer

∫Cv.dT

Question 7

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

Accepted Answer

Partial pressure

Answer

Vapor pressure

Answer

Chemical potential

Answer

None of these

Question 8

At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is

Accepted Answer

One

Answer

Zero

Answer

Infinity

Answer

Negative

Question 9

Clayperon equation deals with the

Accepted Answer

Rate of change of vapour pressure with temperature

Answer

Effect of an inert gas on vapour pressure

Answer

Calculation of ΔF for spontaneous phase change

Answer

Temperature dependence of heat of phase transition