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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What is meant by surging in compressors?

CPCL,

5 8535

what is the purpose of knockout drum in SRU?

3 6201

How does a chemical get ignited without external heat source on reaching its auto ignition temperature

1 2824

What does Dew point -40C mean in an air drying unit.

4 7579

i am going to appear vedanta written test so plz can any body suggest me for this on madhu.5393@gmail.com

3058

A cylindrical vessel of 10m height has water upto 6m and is under a pressure of 15bar.What will be the pressure at the bottom most point of the vessel?

4 4658

Why chlorine cylinders are laid down horizontally?

3 5623

To how much height the liquid willbe thrown out to atmosphere from a pump with a discharge pressure of 5bar

TCL,

4 5077

What fluid first to be lined up in a heat exchanger whether hot or liquid?why?

TCL,

2 4197

What is the iodine value of spent carbon?How iodine value is used to determine the power of carbon to adsorb?

2 3815

which is more effective , a single extraction with a large volume of solvent or several small volume extractions? Explain.

2 4595

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

1331

What is the ignition temperance of Diesel,Petrol&kerosion oil

2 3505

In a screw compressor air is sucked from atm and mixes with the oil and is separated using separators.Will the viscosity of the oil get affected as moisture in air gets mixed with oil?

1 3672

What are the most common problems encountered in a valve or bubble cap distillation column?

Eastman Chemical,

3 3312


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Un-Answered Questions { Chemical Engineering }

What is fuel requirement of 20kg/hr of incineration having material calorific value 6500 kcal/kg and diesel calorific value 10707 Kcal/Kg (PCC=850 degC and SCC 1050 Deg c)

835


What are some good estimates for heat transfer coefficients for coils in tanks?

1320


What is a "saltation velocity"?

133


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

185


What is a good source of information for the design of pressure vessels?

155






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.???

834


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

185


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

1067


How i can calculate heat transfer in reactor at unsteady state and what data should i have? I want equation and process to calculate it? As there is steam or brine in jacket

1202


PLEASE ANY ONE READ THIS MESSAGE ANSWER ME AT MY EMAIL ID surendrasaroj18@gmail.com sir i am prepairing for section engineer exam taken by railway my branch is chemical engineering i want previous paper of chemical engineering of section engineer exam taken by railway. please answer me as soon as possible thankyou

1140


After conducting an internet search for ways to reduce energy costs, I found a recipe for whitewashing that is said to reflect sunlight. The recipe calls for 20 pounds hydrated lime to 5 gallons water to 1-quart polyvinyl acetate. What is a good source of polyvinyl acetate that I can buy at a local store?

145


What is the wet bulb globe temperature?

139


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

84


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

2187


Define condensate lift?

117