Chemical Engineering Thermodynamics MCQs

Question 1

A system in which there is exchange of energy but not of mass, is called a/an __________ system.

Accepted Answer

Closed

Answer

Isolated

Answer

Open

Answer

Insulated

Question 2

The activity of an ideal gas is numerically __________ its pressure.

Accepted Answer

Equal to

Answer

More than

Answer

Less than

Answer

Data insufficient, can't be predicted

Question 3

The temperature at the eutectic point of the system is the __________ temperature that can be attained in the system.

Accepted Answer

Lowest

Answer

Highest

Answer

Average

Answer

None of these

Question 4

For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is

Accepted Answer

X + 2

Answer

X

Answer

X + 1

Answer

X + 3

Question 5

Isobaric process means a constant process.

Accepted Answer

Pressure

Answer

Temperature

Answer

Volume

Answer

Entropy

Question 6

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

Accepted Answer

Activity co-efficient

Answer

Activity

Answer

Fugacity

Answer

Fugacity co-efficient

Question 7

Chemical potential is a/an

Accepted Answer

Both B and C

Answer

Extensive property

Answer

Intensive property

Answer

Force which drives the chemical system to equilibrium

Question 8

For a real gas, the chemical potential is given by

Accepted Answer

RT dlnf

Answer

RT dlnP

Answer

R dlnf

Answer

None of these

Question 9

For an ideal gas, the chemical potential is given by

Accepted Answer

RT dlnP

Answer

R dlnP

Answer

R dlnf

Answer

None of these