Chemical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Chemical Engineering Interview Questions

Questions Answers Views Company eMail

In DM plant, If pH in anion outlet is 7.2 and Mixed bed pH is 6.2, wat could be the reason.

Cipla, Jindal,

8 36786

significance of fouling factor in shell and tube heat exchnager

1 7138

distillation types (vacuum, azeotropic, steam, extractive)

1 3169

what is difference between urea and NPK fertiliser?

2 22953

what is AZ431 & how to check it by using multimeter?

3871

A cylinder having water is being evacuated with constant rate. what is the relation between pressure which is existing in cylinder with time? (P and t relation)

2 4882

white rust formation over zinc plated and yellow passivated fasteners during CED painting. WHY?

Wheels India,

2519

Need to design filter...Length and diamter of shell

1 3914

Diffrence between centrifugal & recipocating pump?

Essar, IOCL,

8 12563

why distillation of water takes more time than toluene ,eventhough the later boiling point is more than water ?

3 7662

Hello i am a chemical engineer presently looking for a job i am applying many jobs in naukri and in all job portals but i am not getting any call or interview so kindly some one help me in this regard soundar

1999

i need formula for calculating discharge of river, the data i have is variation of water pressure, variation of air pressure,depth of water and length of river. please i need help

1 3983

What diffrence between flush distillation & batch distillation ?

2478

what is the difference between the heat exchanger and cooling tower???????????

BARC, Essar,

10 30043

Three solid objects of the same material and of equal mass – a sphere, a cylinder (length = diameter) and a cube – are at 5000C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change of temperature is smallest for a) cube b) cylinder c) sphere d) equal for all the three whyyyyyyy???????

GATE,

3 7516

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Un-Answered Questions { Chemical Engineering }

What types of valves are recommended for slurry services?

1180

What is a "saltation velocity"?

1063

What are the advantages and disadvantages of using gear pumps?

1158

What significance the angle of repose holds in the chemical industry, explain?

1105

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

1051

i am appearing in railway section engg. exam of chemical eng. therefore i want previous papers and study material of chemical eng.

1936

testing formula for oxygen by ammonium chloride,ammonium hydroxide and copper

1066

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

1128

What types of pneumatic conveying systems are typically used?

1052

Explain how do you design a vapor-liquid separator or a flash drum?

1017

i m a frsh chemical engineer now i m confuse to attend the interview so anybody pls send model question papers to this christ_vivek33@yahoo.com

2199

Cooling water line sizing ?

1762

what is defferance between tubular & automotive plate battery

4054

What is the practical particle size limit for pneumatic conveying?

1120

Are there any general rules for flushing slurry lines?

1069

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