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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

Explain the steps required to design a vapor-liquid separator or flash drum?

421

Name the three classes of organic solvents?

433

Explain why is post-weld heat treatment (stress relieving) sometimes necessary for welded vessels?

426

Explain what are the design considerations for a piping system for the transfer of slurries?

404

What are the disadvantages of using gear pumps?

422

Define condensate lift?

504

Define pcbs?

441

Explain the strategies acquired to cure tube vibration and exchangers in a shell?

433

Explain what are some common precipitating agents used to remove metals from aqueous waste streams?

433

Explain how can you quickly estimate the horsepower of a pump?

451

Name some common problems associated with dilute phase pneumatic conveying?

422

Explain the common failure mechanism for above ground atmospheric storage tanks?

460

Explain what type of pump may be appropriate for a liquid near saturation, a low flow rate, and very limited npsha (net positive suction head available)?

409

Define an additive?

425

Explain how can you estimate a gas flow based on two pressure measurements?

462


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Un-Answered Questions { Chemical Engineering }

What is a common source of error in determining the percent spent caustic in refinery applications?

491


Mention some of the specialized grinding and crushing methods.

479


What is a good source of equations for calculating discharge flowrates from accidental releases?

530


Explain how can you quickly estimate the horsepower of a pump?

451


Explain what is the significance of the minimum flow required by a pump?

525






if i added hypo before DM plant so i will affect my resins of anion or cation. if affect it so do prevent what kind of step should be taken to remove hypo before DM inlet?

921


What is some good advice for specifying allowable pressure drops in shell and tube exchangers for heavy hydrocarbons?

441


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

444


What are angle of repose applications in the chemical industry?

450


Why in a continuous plant for a Hot standby screw pump system the interlock for auto starting of the other pump ( when the running pump stopped suddenly) is given with header pressure only? why not with flow rate or current of the pump?

1252


What is the ignition temp. of Aluminum,Coper&Iron.

1656


Hi. I have completed my masters in chemical engineering from M S University in year 2008 and now going to do MS Chemical engineering in Lamar University. I am planning to appear for interview in two weeks from now. What are the expected questions from VO regarding masters after masters ? and wat should i expect to give reply ? kindly give your suggestions. Thanks

1454


What's -74C, dew point is better the -70C dew point In draying unit .

1426


repected sir i have given gate exam today.......... if i ll get the better rank in that ....what is the next process .....shall i give another one test......or wat....i dint get properlly..... plz help me or mail me on Nish_gasti@yahoo.co.in

1434


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

409