Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What are some of the consequences of an undersized kettle type reboiler?

647

When should one be concerned with the tube wall temperature on the cooling waterside of a shell and tube exchanger?

590

Can condensate control in a reboiler cause water hammer problems?

657

Can large temperature differences in vaporizers cause operational problems?

676

Is there a rule of thumb to estimate the footprint of a cooling tower during design phase?

629

What is an effective means of removing silicon from aluminum?

628

What could be a possible cause for sudden foaming in a cooling tower?

624

Are there any alternatives to scraping a shell and tube if a capacity increase will make the pressure drop across the exchanger too large?

669

What is a solvent?

624

What are some good tank mixing rules of thumb?

623

What is a 'saltation velocity' and how is it used in designing pneumatic conveying systems?

602

What are some good strategies for curing tube vibration in shell and tube exchangers?

649

Is it ever advantageous to use shells in series even though it may not be necessary?

647

Who built the first production scale pla (polylactic acid) facility?

636

What factors should be compared when evaluating cooling tower bids?

2 911


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Un-Answered Questions { Chemical Engineering }

Calculate the line size for a cooling water line with a volumetric flowrate of 1200m3/h of water. Density of water = 1000kg/m3

1518


What is critical radius of insulation?

603


What type of heat exchangers are most commonly used for a large-scale plant-cooling loop using seawater as the utility?

664


Explain the largest application for surfactants?

556


For amonia manufacturing process if pressure, temperature would be increase over optimum level what would be happen?And what steps should be taken?

1732






what is mean by chemical engineering and its scope in industry

2587


In a Furnace arch pressure is more than Hearth pressure,then how flue gas travels to stack

3234


What is the maximum permissible Earth to Neutral voltage in an electrical system.

1959


How instrument air is continually supplied in process plant?

668


I am a student of class 12. With PCMB group. But I Am not good at math. So I wanted to ask whether Chemical engineering can be a good option for me.???

1314


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

543


which accomplishments in your present position are you proud of and why?

2046


Can any one send me the sample test papers of IOCL entry exam to be held on 6th july 2008. Also plz send the interview questions that cud probably be asked........i wud be highly obliged if u can send a few test paers and other stuff @ inderjeetd@gmail.com.........Inderpreet

2202


i'm a chemical engineer with an aggregate of 80% and i'm going to attend for TCS next week...if i encounter a question like this how i have to answer... WHY YOU CHOOSE SOFTWARE RATHER THAN YOUR CORE COMPANIES?

1645


Name some common problems associated with dilute phase pneumatic conveying?

549