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Larsen & Toubro Limited Process Engineer Interview Questions, Process, and Tips

Updated 25 Sep 2024

Top Larsen & Toubro Limited Process Engineer Interview Questions and Answers

View all 6 questions

Larsen & Toubro Limited Process Engineer Interview Experiences

4 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Pumps, line and hydrualics

Process Engineer Interview Questions & Answers

user image shailendra narendra chaudekar

posted on 14 Oct 2023

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Walk-in and was interviewed in Sep 2023. 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 tips
Round 2 - Technical 

(4 Questions)

  • Q1. Draw P&ID of Pump System
  • Ans. 

    P&ID of Pump System shows the piping, equipment, instrumentation, and control interlocks of the system.

    • Include pump symbol with arrows indicating flow direction

    • Label all equipment such as pumps, valves, tanks, etc.

    • Show instrumentation like pressure gauges, flow meters, etc.

    • Indicate control interlocks and safety features

    • Use standard symbols and colors as per industry guidelines

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

    NPSH available stands for Net Positive Suction Head available, which is a measure of the absolute pressure at the suction port of a pump.

    • NPSH available is the total suction head in feet absolute at the suction nozzle of the pump.

    • It is important for ensuring that the pump does not cavitate, which can cause damage to the pump and decrease efficiency.

    • NPSH available is calculated by subtracting the vapor pressure of the li...

  • Answered by AI
  • Q3. How to calculate NPSH
  • Ans. 

    NPSH is calculated by subtracting the vapor pressure of the liquid from the total head of the pump.

    • NPSH = H - (Pv / rho * g)

    • H is the total head of the pump

    • Pv is the vapor pressure of the liquid

    • rho is the density of the liquid

    • g is the acceleration due to gravity

    • Ensure all units are consistent (e.g. meters, Pascal, kg/m^3, m/s^2)

  • Answered by AI
  • Q4. Draw two phase system p&ID
  • Ans. 

    A two-phase system P&ID shows the process flow of a system with two distinct phases.

    • Identify the two phases involved in the system (e.g. liquid-gas, solid-liquid).

    • Use different symbols to represent each phase on the P&ID.

    • Show the flow direction and connections between components in the system.

    • Include labels and legends to explain the components and their functions.

    • Ensure clarity and consistency in the representation of

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - do pump and heat exchanger

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 experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I was interviewed in Jan 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. What are types of psv
  • Ans. 

    Types of PSV include conventional spring-loaded PSV, pilot-operated PSV, balanced bellows PSV, and rupture disc PSV.

    • Conventional spring-loaded PSV

    • Pilot-operated PSV

    • Balanced bellows PSV

    • Rupture disc PSV

  • Answered by AI
  • Q2. What are heat exchanger types
  • Ans. 

    Heat exchanger types include shell and tube, plate, finned tube, and double pipe.

    • Shell and tube heat exchanger

    • Plate heat exchanger

    • Finned tube heat exchanger

    • Double pipe heat exchanger

  • Answered by AI

Skills evaluated in this interview

Process Engineer Interview Questions & Answers

user image New Creation

posted on 16 Apr 2022

I applied via Job Portal and was interviewed in Oct 2021. There were 2 interview rounds.

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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Past experience question...

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Confidence and everything ask from your past work.....and also ask from basic

Larsen & Toubro Limited interview questions for designations

 Process Planning Engineer

 (1)

 Process Associate

 (1)

 Design Engineer

 (12)

 Piping Engineer

 (2)

 Structural Engineer

 (1)

 Proposal Engineer

 (1)

 Cadd Engineer

 (1)

 Stress Engineer

 (1)

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. PSV types and their selection
  • Ans. 

    Different types of Pressure Safety Valves (PSVs) and factors to consider when selecting them

    • Types of PSVs include conventional, balanced bellows, pilot-operated, and rupture disc

    • Factors to consider when selecting a PSV include set pressure, relieving capacity, back pressure, and operating temperature

    • Conventional PSVs are commonly used for low to medium pressure applications, while pilot-operated PSVs are suitable for h...

  • Answered by AI
  • Q2. P&IDS, PFDS, HMB, SIMULATION
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. About the work experience
  • Q2. Anout the projects

I applied via Approached by Company and was interviewed before Oct 2021. There were 3 interview rounds.

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 tips
Round 2 - Technical 

(5 Questions)

  • Q1. Scope of work taken up in earlier company which are applicable for our company ( Alstom)
  • Q2. Manufacturing & calibration related topics for Carbody fixture
  • Q3. Paint RAL code & paint thickness applied on fixture.
  • Ans. 

    The paint RAL code and thickness applied on the fixture is recorded for quality control purposes.

    • The RAL code is a standardized color code system used in Europe.

    • The paint thickness is measured using a paint thickness gauge.

    • The recorded data is used to ensure consistency in the painting process and to meet customer specifications.

    • Example: RAL 9005 (Jet Black) with a paint thickness of 50 microns.

  • Answered by AI
  • Q4. Make of clamps used on fixture
  • Ans. 

    The clamps used on the fixture are made by various manufacturers.

    • The make of clamps used on the fixture may vary depending on the specific fixture and its requirements.

    • Some common manufacturers of clamps include Bessey, Irwin, and Jorgensen.

    • The type of clamp used may also vary, such as C-clamps, bar clamps, or spring clamps.

  • Answered by AI
  • Q5. What is VSM graph and it's application
  • Ans. 

    VSM graph is a tool used in Lean manufacturing to map out the current state of a process and identify areas for improvement.

    • VSM stands for Value Stream Mapping

    • It is used to visualize the flow of materials and information through a process

    • Helps identify waste and inefficiencies in the process

    • Can be used to plan and implement process improvements

    • Example: A VSM graph can be used to identify bottlenecks in a manufacturing ...

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. What challenges you feel you might face of you join madhepura ( it's a remote site hence the question)
  • Q2. Why do you think you are suitable for the job and how your earlier experience will be useful forus ( Alstom)

Interview Preparation Tips

Topics to prepare for Alstom Transportation Process Engineer interview:
  • Rolling stock
  • On going project
  • News related to product and company
Interview preparation tips for other job seekers - Just be relaxed or atleast try to bring anxiety under control since you will start to sound as if you are hiding something or don't have skills needed otherwise.
Imagining you are friends with interviewer since many years and discussion is just a knowledge sharing activity. This will help in reducing anxiety

Skills evaluated in this interview

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
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
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 tips
Round 2 - Aptitude Test 

Study well in simple aptitude problems and basic core subjects. Then you will clear this exam easily

Round 3 - Technical 

(3 Questions)

  • Q1. Tell me about yourself
  • Q2. Explain about your intern
  • Q3. Explain your project

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident in your interview and don't get nervous

I applied via Naukri.com and was interviewed in Oct 2019. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions related to the traits mentioned on CV.

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewers are very gentle and professional. Technical interview gets in depth. They may ask you to elaborate the your answer with practice examples. Hence, be very sure over what you have mentioned in your CV is really part of your skill set and experience and you have sound knowledge of that.

Larsen & Toubro Limited Interview FAQs

How many rounds are there in Larsen & Toubro Limited Process Engineer interview?
Larsen & Toubro Limited interview process usually has 1-2 rounds. The most common rounds in the Larsen & Toubro Limited interview process are Technical and Resume Shortlist.
How to prepare for Larsen & Toubro Limited 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 Larsen & Toubro Limited. The most common topics and skills that interviewers at Larsen & Toubro Limited expect are Process Engineering, Process design, HAZOP, Hydraulic Calculations and Aspen.
What are the top questions asked in Larsen & Toubro Limited Process Engineer interview?

Some of the top questions asked at the Larsen & Toubro Limited Process Engineer interview -

  1. what is npsh availa...read more
  2. how to calculate N...read more
  3. What are types of ...read more

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Larsen & Toubro Limited Process Engineer Salary
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₹4 L/yr - ₹15.7 L/yr
45% more than the average Process Engineer Salary in India
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Larsen & Toubro Limited Process Engineer Reviews and Ratings

based on 12 reviews

3.7/5

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3.2

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3.3

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