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

Chemical Engineering Interview Questions

Questions Answers Views Company eMail

Suppose you have hot fluid and cold water, what fluid you should flow in shell side and tube side in a shell and tube heat exchanger and why

6 12412

What is higher heating value and lower heating value? Is it positive or negative?

2968

Which part of oil creates smoke? ( aliphatic, aromatic, paraffin)

1 4970

Why catalyst is charging in chemical reaction as high pressurized pellet of tablet?

2 4845

What step should be taken in process industries if the process variable is oscillating?

HPCL,

2643

Suppose you have hot oil and cold water, what kind fluid you flow In shell side and tube side and why?

5 8121

Which one is process and why?( evaporation, vaporization, reactor, fluid flow)

5 7706

Which book I should refer for designing heat exchangers and reactors?

1 3965

what is ejector capacity and ejector economy

1 4134

What is the difference between multi grade filter and dual media filter?

Dalkia, Oil and Gas Jobs,

1 16636

Which chemical is used as antiscalent in RO water treatement plant?

Dalkia, Power Plant,

3 12474

What is the difference between coagulation and flocculation in water treatment plant?

1 6737

What are the types of clarifier used in water treatement plant?

Adani,

1 4988

What are the types of membranes used in RO water treatement plant?

2 8926

What is minimum flow required of NG having BTU value of 920 btu/scf for flame stability of LBTU gas of BTU value 220 BTU/SCF against the flow 80KPPH.

2345

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Un-Answered Questions { Chemical Engineering }

What are the problems that are associated with the expansion joints?

1165

In Pressure Sfety Valve(PSV) 2" by pass line why given for process units.

2035

We are having proplem with the persperation smell in ETT/ECHO room in our cardiac hospital.The 2 Ton of AC is not conditioning the environment. We have to use exhaust fan to through out of the room bad air. Could anyone suggest how to coup with this effectively using chemical engineering. Any permanent solution to neutralise the bad smell.The Air freshners are not doing enough instead making a bad odour.

2298

Explain why is a vacuum breaker used on shell and tube heat exchangers that are utilizing steam as the heating utility?

1032

Hi.. Me going to tke test for management trainee(technical) Post I am an chemical engineering student . Can u guide how to prepare for this test.Can u send me test paper pattern..?

2706

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

1070

How can you estimate the efficiency of a pump?

1062

What is an effective means of removing silicon from aluminum?

1098

What are flameless oxidizers?

1053

What is difference between overall heat transfer coefficient & individual heat transfer coefficient?

1132

Hi, I am preparing for Indian Forest Service (UPSC). Can you please help me to get previous years question papers (Chemcial Engineerign) (atleast 5).

4775

What is maximum recommended velocity for steam in a plant pipe network?

1057

For what ration of Lengh/Dia. of tank (Jacketed tank), maximum heat transfer area is available?

2062

Are there any general rules that should be considered when designing a slurry piping system?

999

Explain the process of including heat exchangers in ammonia refrigeration system?

1040

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