Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Explain how can you separate hydrogen peroxide into hydrogen and oxygen?

619

Name some guidelines for designing for liquid and gas velocities in process plant piping?

674

What are the some common problems associated with dense phase pneumatic conveying?

734

Explain how can you estimate the efficiency of a pump?

705

Explain why does catalytic converter used in an automobile?

657

Name some common problems associated with dense phase pneumatic conveying?

726

Explain what is the method involved in analyzing powders for composition?

669

Name some factors to consider when trying choosing between a dry screw compressor and an oil-flooded screw compressor?

653

Explain can large temperature differences in vaporizers cause operational problems?

670

Explain how are vessel lined with glass or how are they coated?

714

Define "good" cooling tower water?

726

Explain what are the methods involved to test helium leak testing in a vacuum system?

804

What are the specialized crushing methods?

752

What is the wet bulb globe temperature?

743

Explain what is a good way to get started in doing a plant-wide steam consumption analysis?

654


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Un-Answered Questions { Chemical Engineering }

How does a tank-blanketing valve operate?

840


Define condensate lift?

768


Explain what is the best way to configure a bypass line in slurry services?

662


Explain how can one quickly estimate the additional pressure drop to be introduced with more tube passes?

688


What is a cstr and what are its basic assumptions?

800






what are the chemicals used in PFR and MFR to Process?

2829


Explain what is a quick way to calculate frictional pressure drops in carbon steel pipe?

665


y we do not differ b/w atomic mass and atomic wieght? from engrtauseef2008@gmail.com

1747


Why do we apply on iron articles?

749


What is a good source of surfactant information on the internet?

840


How to size the cooling tower sump / basin for any given circulation rate? What is the guideline?

2758


Does home used kerosene which is available in blue color can change its color after keeping number of years (say 8-10 years)? If yes, then in which color will it turned to? Will it change to yellow color or transparent color? Please reply with suitable technical suggestion/approach. Its an important question which was asked. I need a very strong technical reply. Please help me.

1247


Explain what are the advantages of using gear pumps?

665


What are the applications of screen analysis in the chemical industry?

662


how does the properties of an element changes by increasing protons and electrons?

1892