Chemical Engineering Interview Questions

Chemical Engineering Interview Questions

  • Anu Chatterjee
  • 17th Apr, 2021

Chemical Engineering Interview Questions

1) What is a solvent?

A solvent is a substance that dissolves a solute, resulting in a solution. A solvent is usually a liquid but can also be a solid, a gas, or a supercritical fluid. The quantity of solute that can dissolve in a specific volume of solvent varies with temperature.

2) What is Poly Chlorinated Biphenyls?

Polychlorinated biphenyl is an organocholride with the formula C12H10-xClx.Polychlorinated biphenyls were once widely deployed as dielectric and coolant fluids in electrical apparatus, carbonless copy paper and in heat transfer fluids.

3) What is quicklime and where it is used?

4) Do you know third law of thermodynamics? Please explain.

5) What are the three classes of organic solvent?

6) Why taps were given in steam pipelines?

7) What is an isomer?

In chemistry, isomers are ions or molecules with identical formulas but distinct arrangements of atoms in space. Isomers do not necessarily share similar properties. Two main forms of isomerism are structural isomerism and stereoisomerism.

8) What is arrehenius equation and why it is used?

9) What is Gibbs free energy?

Gibbs free energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.

10) What is an isochoric process?

An isochoric process, also called a constant-volume process, an isovolumetric process, or an isometric process, is a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.

11) What is a CSTR?

12) What is entropy?

13) What is the critical radius of insulation?

14) What is driving force in mass transfer?

The driving force for mass transfer is usually a difference in chemical potential, when it can be defined, though other thermodynamic gradients may couple to the flow of mass and drive it as well.

15) What is the fuel triangle?

16) What are the name plates on Ammonia Tankers?

17) What is Flocculation?

Flocculation is a process in which colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

18) What is carbon sequestration?

Carbon sequestration or carbon dioxide removal is the long-term removal, capture or sequestration of carbon dioxide from the atmosphere to slow or reverse atmospheric CO2 pollution and to mitigate or reverse global warming.

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