Vidyalelo
Chemical Engineering · all questions

Chemical Engineering Thermodynamics
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

525

Questions

18/27

Page

Pick an option on a question to see the right answer and solution.

In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in

Select an option to see the answer and solution.

Melting of ice is an example of an __________ process.

Select an option to see the answer and solution.

Claude's liquefaction process employs the cooling of gases by

Select an option to see the answer and solution.

A domestic refrigerator has a/an __________ cooled condenser.

Select an option to see the answer and solution.

Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is

Select an option to see the answer and solution.

At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

Select an option to see the answer and solution.

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

Select an option to see the answer and solution.

The internal energy of an ideal gas is a function of its __________ only.

Select an option to see the answer and solution.

Gibbs free energy at constant pressure and temperature under equilibrium conditions is

Select an option to see the answer and solution.

Free energy change at equilibrium is

Select an option to see the answer and solution.

In jet refrigerators, the refrigerating fluid is practically always

Select an option to see the answer and solution.

In the reaction; N2 + O2 ⇋ 2NO, increasing the pressure will result in

Select an option to see the answer and solution.

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

Select an option to see the answer and solution.

Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature & pressure.

Select an option to see the answer and solution.

For multicomponent multiple phases to be in equilibrium at the same pressure and temperature, the __________ of each component must be same in all phases.

Select an option to see the answer and solution.

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is

Select an option to see the answer and solution.

One ton of refrigeration capacity is equivalent to the heat removal rate of

Select an option to see the answer and solution.

Internal energy of an ideal gas

Select an option to see the answer and solution.

In an ideal refrigeration cycle, the change in internal energy of the fluid is

Select an option to see the answer and solution.

In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants )

Select an option to see the answer and solution.