Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Explain how can you determine the proper pipe thickness for a slurry line?

609

Explain how can you determine the largest impeller that a pump can handle?

591

Explain what type of flow measurement devices is best for slurries?

592

Explain how can one determine if a particular solid can be fluidized as in a fluidized bed?

570

Explain the steps taken to operate a tank-blanketing valve?

500

Define a barometric condenser?

596

Explain the largest application for surfactants?

576

Mention some of the specialized crushing methods?

586

Explain the different characteristics that can affect the flow of bulk solids and how?

543

Mention some of the specialized grinding methods?

538

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

599

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

595

Explain what are some good uses of low-grade steam at 12 atm and 1920c?

628

Explain how can one estimate how the friction factor changes in heat exchanger tubes with a change in temperature?

663

Explain what types of metals are typically removed via chemical precipitation?

529


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Un-Answered Questions { Chemical Engineering }

what is the purpose of capacitor? and capacitor load means what? how does it connect?

1951


What is the difference between horizontal and vertical heat exchanger?

762


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

666


how can I find out a sulfuric acid recovery plant disigner?

1995


Is there a difference in mtd (mean temperature difference) between 'e' and 'j' (divided flow) type shell and tube heat exchangers?

657






how we can find solubility of liquid in amyl alcohol and relative solubility of amyl alcohol

1148


In a crusher where is the energy provided to it is used up for?

617


Why are decomposition reactions called the opposite of combination reactions?

577


i am a student of thapar university final year.can anybody please help me with the exam pattern of the companies:engineers india ltd. ; iocl ; UOP, HPCL. If psbl plz send me the previous years questions on this email id k_arora1987@yahoo.com. i d be really greatful

1916


What is load?

678


i need last year question paper of GATE exam of chemical stream.but i failed i geting exam papers.soits humble request to u that if any body found last years GATE exam paper of chemical stream then send it to on this mail address.i shall be thankful to u for this. mail address:- sachin_4255@yahoo.co.in thank you.

3191


Hi, I want to validate an analytical procedure of a specified impurity, but this impurity is unavailable for me. can I use the API instead of impurity in the linearity test? in Which reference can I find such information?

1325


MY generator water cooler inlet line height - 11 mtr inlet water line height - 7 mtr water come into the line from overhead tank, O/H tank height - 20 mtr the first tapping in the inlet line is 2" line which down to 4 mtr level plateform., second tapping in inlet water line goes to a pump 6" line installed at 4 mtr level plateform, pump capacity 200m3/hr, head- 30 mtr, hp-40. the outlet of pump of 6" water line connected to a header of 6 mtr long of 6" line, on this header the six tapping are connected, 4 nos. 3" line goes to 11 mtr height water cooler the pressure of the line is 0.15 to 0.25 kg/cm2, 2" and 4" pipe line connected to a cooler at 4 mtrlevel plateform. my question is, at 11 mtr height level the quantity of water and flow is not sufficient for my cooler, the temp. of cooler is rises much more. you are requested to suggest the modification of pipe line/ pump for take more water flow and pressure (desired pressure is 1 kg/cm2)

1825


What are the criteria’s involved in choosing mass balances for components?

710


Explain the working of a spray condenser?

611