10+ Praj Industries Process Engineer Interview Questions & Answers | Complete Prep Guide 2025

Praj Industries Process Engineer Interview Experiences

3 interviews found

Process Engineer Interview Questions & Answers

Anonymous

posted on 7 Feb 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Technical

(3 Questions)

Q1. Pump,Line,CV,PSV Sizing etc Distilltion in details Heat Exchanger Details

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Q2. How to design HE

Ans.

Designing a heat exchanger involves considering factors such as heat transfer requirements, fluid properties, and equipment selection.

Determine the heat transfer requirements based on the desired temperature change and heat load.
Select the appropriate type of heat exchanger based on the application, such as shell and tube, plate, or finned tube.
Consider the fluid properties, including flow rate, viscosity, and thermal ...

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Q3. Pump Sizing and Calculation

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Interview Preparation Tips

Interview preparation tips for other job seekers - Keep Resume properly and according to prepare

Process Engineer Interview Questions & Answers

nikhiltapkir

posted on 4 Feb 2022

Round 1 - Aptitude Test

Technical questions regarding chemical engineering and equipment design.

Round 2 - Technical

(3 Questions)

Q1. Design of Heat exchanger ?

Ans.

Heat exchanger design involves selecting appropriate materials, determining heat transfer coefficients, and optimizing flow rates.

Select appropriate materials based on temperature, pressure, and fluid properties
Determine heat transfer coefficients for both fluids
Optimize flow rates to maximize heat transfer while minimizing pressure drop
Consider factors such as fouling, corrosion, and maintenance
Common types include sh...

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Q2. Tube pitch of shell and tube heat exchanger?

Ans.

Tube pitch is the distance between the center of two adjacent tubes in a shell and tube heat exchanger.

Tube pitch affects the heat transfer rate and pressure drop in the heat exchanger.
It is typically between 1.25 and 2 times the outside diameter of the tubes.
A larger tube pitch can reduce fouling and make cleaning easier, but may require more tubes and increase the size of the heat exchanger.
The tube pitch should be o...

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Q3. Software knowledge like HTRI,Auto Cad,UNISIM,Pipenet

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Round 3 - HR

(2 Questions)

Q1. Tell me About yourself?

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Q2. Why we recruit you , what is your strength?

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Interview Preparation Tips

Interview preparation tips for other job seekers - Self confidence is important. You can do it.

Process Engineer Interview Questions & Answers

posted on 11 Apr 2022

I applied via Naukri.com and was interviewed in Mar 2022. There were 4 interview rounds.

Round 1 - Aptitude Test

Round 2 - Aptitude Test

Round 3 - HR

(5 Questions)

Q1. What are your salary expectations?

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Q2. What is your family background?

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Q3. Where do you see yourself in 5 years?

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Q4. Why should we hire you?

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Q5. Tell me about yourself.

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Round 4 - Aptitude Test

Interview Preparation Tips

Topics to prepare for Praj Industries Process Engineer interview:

Skill Development

Interview preparation tips for other job seekers - Prepare all about your resume what you mentioned details of skills and education details.

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4d (edited)

timepasstiwari

A Digital Markter

Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question

So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours... read more

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Process Engineer Interview Questions & Answers

Reliance Industries

arun varghese

posted on 6 Apr 2016

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: It was pretty simple and easy.
Tips: Just know the basics.practise more to do fasrt.
Duration: 30 minutes
Total Questions: 30

Round: Resume Shortlist
Experience: It was not hard to pass this shortlisting.
Tips: Have more stress on academics.

Skills:
Duration: 2
College Name: IIT Madras

Process Engineer Interview Questions & Answers

Reliance Industries

arun varghese

posted on 6 Apr 2016

I applied via Campus Placement

Interview Preparation Tips

Round: Resume Shortlist
Experience: It was a pretty simple process. Almost everyone will clear this round.
Tips: Focus mainly on your academics

Round: Test
Experience: It was pretty simple and easy.
Tips: Just focus on your basics and practice more to increase speed.
Duration: 30 minutes
Total Questions: 30

General Tips: Practise more to increase speed.
Skill Tips: Prctise more to increse speed.
Skills: Basic Knowledge, Speed And Accuracy In Aptitude
Duration: 2
College Name: IIT Madras
Motivation: one of the top companies in India

Process Engineer Interview Questions & Answers

Reliance Industries

sai vamshi

posted on 6 Apr 2016

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: Easy paper with some english questions
Tips: Anyone who cracked jee can manage it
Duration: 30 min minutes

Round: Test
Experience: Questions on chemical engineering are asked. All are theoretical based. Thermodynamics questions were little hard
Tips: Concentrate on mass heat and momentum transfer and thermodynamics. Basic level is fine
Duration: 30 min minutes

Skills:
Duration: 2
College Name: IIT Madras

Process Engineer Interview Questions & Answers

Reliance Industries

Smaran Raj Bachu

posted on 6 Apr 2016

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: Most of the questions were simple and were easily answerable. The only constraining factor was time. You need to be very fast.
Tips: Practice basic math like Simple interest, Compound interest ..etc
Rest all should be easy enough
Duration: 30 minutes
Total Questions: 30

Round: Test
Experience: It involved a few questions which required to have some basic knowledge on chemistry.
Chemical engineering stuff which was asked was straight forward
Tips: Concentrate more on Mass and heat transfer topics
Duration: 30 minutes
Total Questions: 30

General Tips: Have enthusiasm for core to apply for such a company
Skill Tips: Go through the basic concepts of transport and fluid mechanics
Skills: Core Courses Concepts
Duration: 2 months
College Name: IIT Madras
Motivation: Inclination towards Chemical Engineering.

Process Engineer Interview Questions & Answers

GE Vernova

Anonymous

posted on 29 Jun 2022

I applied via Job Portal and was interviewed before Jun 2021. There were 3 interview rounds.

Round 1 - Aptitude Test

What is your contribution in your last job?

Round 2 - One-on-one

(1 Question)

Q1. Great interview awesome interview panel

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Round 3 - HR

(1 Question)

Q1. HR was very professional

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Interview Preparation Tips

Interview preparation tips for other job seekers - Please be good in technical & be proactive

Process Engineer Interview Questions & Answers

Thermax Limited

Anonymous

posted on 21 Feb 2022

I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.

View all Resume tips

Round 2 - HR

(3 Questions)

Q1. What are your salary expectations?

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Q2. What is your family background?

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Q3. Share details of your previous job.

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Round 3 - Aptitude Test

Interview Preparation Tips

Interview preparation tips for other job seekers - I want About chemical engineering,

Process Engineer Interview Questions & Answers

Thermax Limited

posted on 1 Dec 2021

I applied via Campus Placement and was interviewed in Jun 2021. There were 5 interview rounds.

Interview Questionnaire

6 Questions

Q1. Chemical Engineers are generally placed in Water, Environment, Chemical or Power discussion.

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Q2. What is distillation

Ans.

Distillation is a process of separating components of a mixture based on their boiling points.

It involves heating the mixture to vaporize the more volatile component
The vapor is then condensed and collected as a separate liquid
Commonly used in the production of alcoholic beverages, fuels, and chemicals

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Q3. Application of distillation

Ans.

Distillation is a process used to separate components of a mixture based on their boiling points.

Used in petroleum refining to separate crude oil into different fractions
Used in the production of alcoholic beverages to separate ethanol from water
Used in the chemical industry to purify solvents and separate different chemicals
Can be used in the purification of water
Can be used in the separation of air into its component

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Q4. Type of heat exchangers

Ans.

Heat exchangers are devices used to transfer heat between two or more fluids.

Shell and tube heat exchangers
Plate heat exchangers
Double pipe heat exchangers
Spiral heat exchangers
Air-cooled heat exchangers

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Q5. Bubble point vs dew point

Ans.

Bubble point and dew point are two important concepts in thermodynamics used to describe the behavior of a mixture of liquids and gases.

Bubble point is the temperature at which a liquid mixture starts to boil and form bubbles of vapor.
Dew point is the temperature at which a vapor mixture starts to condense and form droplets of liquid.
Bubble point and dew point are related to each other through the vapor-liquid equilibr...

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Q6. Chemical vs Biological oxygen demand in Water chemistry

Ans.

Chemical and Biological Oxygen Demand are measures of water quality and indicate the amount of oxygen required to break down organic matter.

Chemical Oxygen Demand (COD) measures the amount of oxygen required to oxidize organic and inorganic matter in water.
Biological Oxygen Demand (BOD) measures the amount of oxygen required by microorganisms to break down organic matter in water.
COD is a faster test and measures both ...

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Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic MT and HT. Prepare HR well. Prepare about your 3 yr training.

Praj Industries Interview FAQs

How many rounds are there in Praj Industries Process Engineer interview?

Praj Industries interview process usually has 2-3 rounds. The most common rounds in the Praj Industries interview process are Aptitude Test, Technical and HR.

How to prepare for Praj Industries Process Engineer interview?

Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Praj Industries. The most common topics and skills that interviewers at Praj Industries expect are Process Engineering, Aspen, Biochemistry, Chemcad and Chemical Engineering.

What are the top questions asked in Praj Industries Process Engineer interview?

Some of the top questions asked at the Praj Industries Process Engineer interview -

Tube pitch of shell and tube heat exchang...read more
Design of Heat exchange...read more
How to design...read more

Process Engineer 116 salaries	₹0 L/yr - ₹0 L/yr
Assistant Manager 111 salaries	₹0 L/yr - ₹0 L/yr
Associate Manager 100 salaries	₹0 L/yr - ₹0 L/yr
Deputy Manager 79 salaries	₹0 L/yr - ₹0 L/yr
Senior Engineer 53 salaries	₹0 L/yr - ₹0 L/yr

Praj Industries Process Engineer Interview Questions and Answers

Praj Industries Process Engineer Interview Experiences

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