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Lummus Technology Process Engineer Interview Questions and Answers

Updated 23 Jun 2024

Lummus Technology Process Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Aptitude Test 

Technical aptitude test which consists of chemical engineering MCQs

Interview Preparation Tips

Interview preparation tips for other job seekers - Have command on chemical engineering basics and core subjects fluid mechanics, heat transfer and mass transfer.
Interview experience
2
Poor
Difficulty level
-
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before May 2022. There were 2 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 - Technical 

(2 Questions)

  • Q1. How do you set operating pressure of distillation column?
  • Ans. 

    Operating pressure of distillation column is set based on the boiling points of the components being separated.

    • Determine the boiling points of the components being separated

    • Choose a pressure that will allow for the separation of the components

    • Consider the energy requirements and equipment limitations

    • Adjust the pressure as needed during operation

    • Monitor the temperature and pressure to ensure optimal performance

  • Answered by AI
  • Q2. What is pump npsh
  • Ans. 

    NPSH stands for Net Positive Suction Head. It is the measure of the pressure required at the pump suction to prevent cavitation.

    • NPSH is a critical parameter for pump selection and operation

    • It is the difference between the absolute pressure at the pump suction and the vapor pressure of the pumped fluid

    • If the NPSH available is less than the NPSH required, cavitation can occur which can damage the pump and reduce its effi...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - The interviewers themselves don’t know the answers of questions they ask.

Process Engineer Interview Questions Asked at Other Companies

Q1. What is APQP and where is it used. And how many phases does it ha ... read more
Q2. What are the reasons behind distillate product purity( under same ... read more
Q3. How to increase the existing scrubber capacity to cope up with ne ... read more
asked in UPL
Q4. How do you think you can contribute to UPL growth?
Q5. How do you measure boiling point of unknown liquid?

Interview questions from similar companies

I applied via Referral and was interviewed in Dec 2019. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Pump Hydraulics, Process description of current working project, Pump characteristic curves, NPSH, What are the documents which you have prepared in your project.

Interview Preparation Tips

Interview preparation tips for other job seekers - NA

I applied via Referral and was interviewed in Sep 2019. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Pump hydraulic, PSV calculations, heat exchangers

Interview Preparation Tips

Interview preparation tips for other job seekers - Kindly just ho through LNG process

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?
  • Q2. What is your family background?
  • Q3. Share details of your previous job.
Round 3 - Aptitude Test 

Interview Preparation Tips

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

I applied via LinkedIn and was interviewed in Jun 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Firstly they have asked me about my previous company experience 1.PSV sizing with api 520 and 521,they ask me about criteria and relief load related questions. 2.why line sizing required, importance and cr...

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and listen carefully and answer smartly. They will see how you handle the situation when you don't know the answer,even if you don't know the ans thats not a problem. Sometimes they are also learning from us.😛
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Technical questions on hydraulics , previous project
Round 3 - HR 

(1 Question)

  • Q1. General questions
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Sep 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. All technicall stuff asked
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiations as per present salary
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is heat duty
  • Ans. 

    Heat duty is the amount of heat energy required or removed in a process.

    • Heat duty is a measure of the amount of heat energy needed to be added or removed in a process.

    • It is typically measured in units such as BTU/hr or kW.

    • Heat duty calculations are important in designing and optimizing heat exchangers, reactors, and other process equipment.

    • For example, in a distillation column, the heat duty would refer to the amount o...

  • Answered by AI

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.
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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...

  • Answered by AI
  • 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 ...

  • Answered by AI

Interview Preparation Tips

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

How many rounds are there in Lummus Technology Process Engineer interview?
Lummus Technology interview process usually has 1-2 rounds. The most common rounds in the Lummus Technology interview process are Resume Shortlist, Technical and Aptitude Test.
How to prepare for Lummus Technology 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 Lummus Technology. The most common topics and skills that interviewers at Lummus Technology expect are Document Review, HAZOP, HSE, Operations and Petrochemical.
What are the top questions asked in Lummus Technology Process Engineer interview?

Some of the top questions asked at the Lummus Technology Process Engineer interview -

  1. How do you set operating pressure of distillation colu...read more
  2. What is pump n...read more

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Lummus Technology Process Engineer Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
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Lummus Technology Process Engineer Salary
based on 14 salaries
₹8.5 L/yr - ₹18 L/yr
108% more than the average Process Engineer Salary in India
View more details

Lummus Technology Process Engineer Reviews and Ratings

based on 2 reviews

2.8/5

Rating in categories

2.8

Skill development

3.8

Work-life balance

2.2

Salary

4.2

Job security

3.5

Company culture

2.2

Promotions

2.8

Work satisfaction

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Process Engineer 3
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Process Engineer 2
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