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Chemical Engineering Interview Questions
Questions Answers Views Company eMail

What does the catalystic converter on an automobile do?

 3 7958

What compounds are responsible for the odours that come from wastewater treatment plants?

 1 4760

Is it possible to compare the resistance to chloride attack of several materials of construction?

 2 4800

Are carbon steel storage tanks appropriate for NaOH solutions?

 1 5594

Why is post-weld heat treatment sometimes necessary for welded vessels?

Aramco,

2067

What steps can be taken to avoid stress corrosion cracking (SCC) in steel vessels used for storing anhydrous ammonia?

ABC,

1702

How to estimate the efficiency of a pump?

OGDCL,

2 9000

What are the affinity laws associated with dynamics pumps?

HPCL,

1 6115

How to calculate the sonic velocity of a gas stream?

Sony,

1 10371

What is a good estimate for the absolute roughness for epoxy lined carbon steel pipe?

 4316

How to calculate the release flowrates from pressurized gas systems?

Reliance,

1 6564

Are fin tubes necessary for steam heating a liquid?

IOCL,

7 12091

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

 1823

How are plate heat exchangers used in an ammonia refrigeration system?

HJ, Reliance,

1 8566

What is Pinch Technology?

 6 15260

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Un-Answered Questions { Chemical Engineering }

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

690

What types of valves are recommended for slurry services?

629

Are there any methods of preventing cracking of carbon steel welds in refining environments?

603

What is difference between Piping Standard & Piping Specification ?

1959

Explain what are some typical applications for glass-lined reactors?

625




why screw compressor use for ammonia compression?

1484

What are the apt definitions for apparent power, active power and reactive power?

593

How can you separate hydrogen peroxide into hydrogen and oxygen?

640

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

523

Define a barometric condenser?

581

What particle sizes are electrostatic precipitators used to remove?

587

Do you have recombinant protein expression experience? Explain?

2318

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

701

DEAR SIR, IS IT ANY BARC TECHNICAL OR INTERVIEW QUESTION BOOK IN CHEMICAL ENGG LAST YEARS IN MARKET? ALSO GIVE THE PATTERN HOW TO PREPARE AND WHAT TYPE OF QUESTION THEY ASKED?

3200

based on percentage problems

2393

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