CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Entropy is a/an

State function

Macroscopic property

None of these

Extensive property

TRUE ANSWER : ?
YOUR ANSWER : ?

In any spontaneous process,

Both F and A decreases

Only A decreases

Only F decreases

Both F and A increase

TRUE ANSWER : ?
YOUR ANSWER : ?

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

X

X + 3

X + 1

X + 2

TRUE ANSWER : ?
YOUR ANSWER : ?

For an irreversible process involving only pressure-volume work

(dF)T, p

(dF)T, p = 0

(dF)T, p > 0

(dA)T, v >0

TRUE ANSWER : ?
YOUR ANSWER : ?

The intensive properties are

Refractive index and surface tension

Both A and B

None of these

Molar volume, density, viscosity and boiling point

TRUE ANSWER : ?
YOUR ANSWER : ?

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

An easily liquefiable

Any

A real

A perfect

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is true for a throttling process?

The inversion temperature is same for all gases

The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

The inversion temperature is different for different gases

A gas may have more than one inversion temperatures

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not a refrigerant?

CCl₂F₂

C₂H₄Cl₂

NH₃

SO₂

TRUE ANSWER : ?
YOUR ANSWER : ?

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

Zeroth

None of these

1st

3rd

TRUE ANSWER : ?
YOUR ANSWER : ?

A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

Less than or equal to

Less than

Equal to or higher than

More than

TRUE ANSWER : ?
YOUR ANSWER : ?