CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Linde gas liquefaction process employs cooling

By throttling

None of these

By expansion in an engine

At constant pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Water on heating from 1 to 4°C

Contracts

Has same volume

May contract or expand

Expands

TRUE ANSWER : ?
YOUR ANSWER : ?

When pressure is applied on the system, ice ⟷ water, then

Evaporation of water will take place

More water will be formed

Equilibrium can not be established

More ice will be formed

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

Equal to or higher than

More than

Less than

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following exemplifies an adiabatic process?

Condensation of alcohol vapor

Melting of ice

Evaporation of water

Sudden bursting of a cycle tube

TRUE ANSWER : ?
YOUR ANSWER : ?

The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its

Volume

Temperature

Pressure

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Degress of freedom at triple point will be

2

1

3

Zero

TRUE ANSWER : ?
YOUR ANSWER : ?

The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.

None of these

Isothermal

Isobaric

Adiabatic

TRUE ANSWER : ?
YOUR ANSWER : ?

For organic compounds, group contribution method can be used for the estimation of

Thermal conductivity

Critical properties

Specific gravity

Specific volume

TRUE ANSWER : ?
YOUR ANSWER : ?

The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

Decreases linearly

Remains unchanged

Increases

Decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

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