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L&T Water & Effluent Treatment Post Graduate Engineer Trainee [pget] Interview Questions and Answers

Updated 9 Dec 2021

L&T Water & Effluent Treatment Post Graduate Engineer Trainee [pget] Interview Experiences

1 interview found

I applied via Campus Placement and was interviewed before Dec 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Principal of bearings, refrigeration
  • Ans. 

    Bearings are used to reduce friction between two moving parts while refrigeration is the process of cooling a space or substance.

    • Bearings work on the principle of reducing friction between two moving parts by providing a smooth surface for them to roll or slide against each other.

    • Refrigeration works on the principle of removing heat from a space or substance, which causes it to cool down.

    • Bearings are commonly used in m...

  • Answered by AI
  • Q2. Designing parameters of heat exchanger,
  • Ans. 

    Designing parameters of heat exchanger involves determining heat transfer rate, surface area, fluid flow rate, and material selection.

    • Determine the heat transfer rate required for the application

    • Select appropriate fluids and their flow rates

    • Calculate the surface area required for heat transfer

    • Choose suitable materials for construction based on operating conditions

    • Consider factors such as pressure drop, fouling, and cor...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Knowledge of basic subject principal with example

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic Aptitude Questions Reasoning & Verbal Ability

Round 2 - Group Discussion 

How is culture at IT Industries

Round 3 - Technical 

(12 Questions)

  • Q1. What are the tensile forces acts on material
  • Ans. 

    Tensile forces are forces that stretch or pull materials apart.

    • Tensile forces act in the opposite direction of compressive forces

    • Examples of tensile forces include stretching a rubber band or pulling on a rope

    • Tensile strength is a measure of a material's ability to withstand tensile forces

  • Answered by AI
  • Q2. Write all formulas you know of Fluid Mechanics
  • Ans. 

    Formulas in Fluid Mechanics

    • Bernoulli's equation: P + 0.5ρv^2 + ρgh = constant

    • Continuity equation: A1v1 = A2v2

    • Navier-Stokes equation: ρ(∂v/∂t + v∇v) = -∇P + μ∇^2v + ρg

    • Ideal gas law: PV = nRT

    • Poiseuille's Law: Q = πr^4(ΔP)/(8ηL)

  • Answered by AI
  • Q3. Laws of thermodynamics
  • Ans. 

    The fundamental laws of thermodynamics govern the behavior of energy in systems.

    • First Law of Thermodynamics: Energy cannot be created or destroyed, only transferred or converted.

    • Second Law of Thermodynamics: The entropy of an isolated system will always increase over time.

    • Third Law of Thermodynamics: As temperature approaches absolute zero, the entropy of a system approaches a minimum value.

    • Examples: A car engine conve...

  • Answered by AI
  • Q4. What is Fouriers Law write its equation
  • Ans. 

    Fourier's Law describes the flow of heat through a material.

    • Fourier's Law states that the rate of heat transfer through a material is directly proportional to the negative gradient of temperature and the area perpendicular to the direction of heat flow.

    • The equation for Fourier's Law is q = -k * A * (dT/dx), where q is the heat transfer rate, k is the thermal conductivity of the material, A is the cross-sectional area, ...

  • Answered by AI
  • Q5. Explain Iron Carbon phase diagram
  • Ans. 

    The Iron-Carbon phase diagram illustrates the phases and microstructures of iron-carbon alloys as a function of temperature and composition.

    • Shows the phases of iron and carbon at different temperatures and compositions

    • Includes regions for austenite, ferrite, cementite, and pearlite

    • Critical points such as eutectic point and eutectoid point are marked

    • Used to predict the microstructure of steel based on composition and he

  • Answered by AI
  • Q6. Stress Strain Curve Explain
  • Ans. 

    The stress-strain curve shows the relationship between stress (force applied) and strain (resulting deformation) in a material.

    • The curve typically consists of three main regions: elastic deformation, plastic deformation, and fracture.

    • In the elastic region, the material deforms elastically and returns to its original shape when the stress is removed.

    • The plastic region is where permanent deformation occurs, but the mater...

  • Answered by AI
  • Q7. Calculate SFD & BMD
  • Ans. 

    SFD and BMD are calculated using equations of equilibrium and relationships between load, shear force, and bending moment.

    • Calculate reactions at supports using equations of equilibrium

    • Determine the shear force at different points along the beam by considering the applied loads and reactions

    • Calculate the bending moment at different points by integrating the shear force diagram

    • Plot the SFD and BMD based on the calculated...

  • Answered by AI
  • Q8. How to Calculate velocity of fluid flowing through pipe
  • Ans. 

    Velocity of fluid flowing through a pipe can be calculated using the formula Q = A * V, where Q is the flow rate, A is the cross-sectional area of the pipe, and V is the velocity of the fluid.

    • Calculate the cross-sectional area of the pipe using the formula A = π * r^2, where r is the radius of the pipe.

    • Determine the flow rate (Q) of the fluid, which is typically measured in cubic meters per second (m^3/s) or liters per...

  • Answered by AI
  • Q9. What is Difference between entropy and enthalpy
  • Ans. 

    Entropy is a measure of disorder or randomness in a system, while enthalpy is a measure of the heat energy in a system.

    • Entropy is a thermodynamic property that measures the amount of energy in a system that is not available to do work.

    • Enthalpy is a thermodynamic property that measures the total heat content of a system.

    • Entropy increases in irreversible processes, while enthalpy remains constant.

    • Entropy is denoted by S,...

  • Answered by AI
  • Q10. Draw Refrigeration Cycle Graph
  • Ans. 

    The Refrigeration Cycle graph shows the process of cooling a space by transferring heat from inside to outside.

    • The cycle starts with the refrigerant entering the compressor as a low-pressure gas.

    • The refrigerant is compressed, raising its temperature and pressure, before entering the condenser where it releases heat to the surroundings.

    • After losing heat, the refrigerant becomes a high-pressure liquid and flows into the ...

  • Answered by AI
  • Q11. Draw vapour absorption cycle graph
  • Ans. 

    The vapor absorption cycle graph shows the relationship between pressure, temperature, and enthalpy during the process.

    • The graph typically shows pressure on the y-axis and temperature on the x-axis.

    • It includes lines representing the various stages of the cycle such as evaporation, absorption, and desorption.

    • The enthalpy values at different points in the cycle can also be plotted on the graph.

    • Example: The graph will sho...

  • Answered by AI
  • Q12. Draw Rankine otto & diesel cycle graph
  • Ans. 

    The Rankine, Otto, and Diesel cycle graphs are commonly used in thermodynamics to analyze different types of heat engines.

    • The Rankine cycle is used in steam power plants and consists of four processes: heat addition, isentropic expansion, heat rejection, and isentropic compression.

    • The Otto cycle is used in spark-ignition engines and consists of four processes: isentropic compression, constant volume heat addition, isen...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Worley Graduate Engineer Trainee (Get) interview:
  • Strength of materials
  • Thermodynamics
  • Heat Transfer
  • Fluid Mechanics
Interview preparation tips for other job seekers - Go by preparing each and every subject of Mechanical Engineering they ask very deep technical questions prepare all types of graphs especially
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Dotnet sql java dotnet sql java

Round 2 - Technical 

(1 Question)

  • Q1. Dotnet sql java dotnet
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude test (online)

Round 2 - Group Discussion 

Basic topics, we have to talk for 5min.

Round 3 - One-on-one 

(3 Questions)

  • Q1. Resume based questions
  • Q2. Relocation all over india
  • Q3. Questions on favourite subject

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well with your resume, basic engineering questions. The interview will be smooth don't get hurry.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Campus Placement and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Get help from indiabix

Round 2 - Technical 

(3 Questions)

  • Q1. Resume based questions
  • Q2. What is HTML? and tags?
  • Ans. 

    HTML is a markup language used for creating web pages. Tags are used to define the structure and content of the page.

    • HTML stands for HyperText Markup Language

    • It is used to create the structure of web pages

    • Tags are used to define elements such as headings, paragraphs, images, links, etc.

    • Example:

      This is a heading

  • Answered by AI
  • Q3. Difference between static and dynamic programming
  • Ans. 

    Static programming involves fixed code execution, while dynamic programming involves code execution based on runtime conditions.

    • Static programming is done at compile time, while dynamic programming is done at runtime.

    • Static programming requires less memory as the code is fixed, while dynamic programming may require more memory due to runtime changes.

    • Examples of static programming include C or C++ programming, while exa...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Basic personality questions

Interview Preparation Tips

Interview preparation tips for other job seekers - don't panic prepare the topics from your resume itself

Skills evaluated in this interview

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

I applied via campus placement at LD College of Engineering, Ahmedabad and was interviewed in Nov 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

In aptitude basic aptitude questions around 80question from aptitude I was able to solve 74,75 although test is taken combined of technical and aptitude

Round 2 - Technical 

(2 Questions)

  • Q1. In technical there there were 50question which were tough I was able to do 20 rest other I guessed and use elimination method
  • Q2. Tell me about yourself In answer I mentioned about my involvement in Father business and NCC so they next question about this After that they asked you have done previously many project in college so tell ...
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - One-on-one 

(5 Questions)

  • Q1. How to find yield strength of 8mm dia steel of 550 grade?
  • Ans. 

    The yield strength of 8mm dia steel of 550 grade can be found using standard testing methods.

    • Yield strength is the maximum stress a material can withstand without permanent deformation

    • Standard testing methods like tensile testing can be used to determine the yield strength

    • The 550 grade refers to the minimum yield strength of the steel

    • Consulting the material's specification or conducting tests can provide the exact yiel

  • Answered by AI
  • Q2. What is bleeding and segregation?
  • Ans. 

    Bleeding and segregation are phenomena that occur in concrete during its placement and curing process.

    • Bleeding is the process of water rising to the surface of freshly placed concrete due to the settlement of solid particles.

    • Segregation refers to the separation of coarse aggregates from the rest of the concrete mix, resulting in an uneven distribution of materials.

    • Bleeding can lead to a weakened surface layer and reduc...

  • Answered by AI
  • Q3. Specify design mix ratios of various concrete mixes?
  • Ans. 

    The design mix ratios of concrete mixes vary depending on the specific requirements and applications.

    • Design mix ratios are determined based on factors such as strength, workability, durability, and environmental conditions.

    • Common design mix ratios include 1:2:4 (cement:sand:aggregate) for general construction, 1:1.5:3 for reinforced concrete, and 1:0.5:1 for high-strength concrete.

    • Different types of concrete mixes, suc...

  • Answered by AI
  • Q4. Draw shear force and bending moment diagrams
  • Ans. 

    Shear force and bending moment diagrams are graphical representations of the internal forces and moments in a structural element.

    • Shear force diagram shows the variation of shear force along the length of the element.

    • Bending moment diagram shows the variation of bending moment along the length of the element.

    • Shear force and bending moment diagrams are commonly used in structural analysis and design.

    • These diagrams help e...

  • Answered by AI
  • Q5. Earthquake design methods like static and dynamic methods formulae
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Madhav Institute of Technology and Science, Gwalior and was interviewed in May 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Aptitute were very easy.

Round 2 - Technical 

(5 Questions)

  • Q1. They are questions on ic engine, thermodyanamics, tom, som and also on RAC some on heat transfer.
  • Ans. I have given all answer correctly
  • Answered Anonymously
  • Q2. In interview they have asked more and more on my cv what do you do in internship
  • Ans. I explain them not very long not short just point to point with confidence
  • Answered Anonymously
  • Q3. Many questions on personal character and how will you manage if we shift you there
  • Ans. You have to explain them very visely and such like you are very confident about your answere
  • Answered Anonymously
  • Q4. They have asked me what do you think about your interview , you got selected or not
  • Q5. Technical questions asked by interviewer very much

Interview Preparation Tips

Interview preparation tips for other job seekers - Just hold your breath and stay positive if you dont know answere because they all wanted to test your personal skills and confidence.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Oct 2023. There were 4 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 - HR 

(1 Question)

  • Q1. 1. Basics Communication skills based questions. 2. General introduction.
Round 3 - Technical 

(1 Question)

  • Q1. Civil related basic technical questions. Procurement related questions
Round 4 - HOD round 

(1 Question)

  • Q1. 1. In-depth Technical questions. 2. In-depth Procurement Based questions.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. How many brickes need in 1m3
  • Ans. 

    The number of bricks needed in 1m3 depends on the size of the bricks being used.

    • The number of bricks in 1m3 will vary based on the size of the bricks. Standard brick size is 190mm x 90mm x 90mm.

    • For standard size bricks, approximately 500 bricks are needed in 1m3.

    • To calculate the number of bricks needed, divide the volume of 1m3 by the volume of one brick.

  • Answered by AI
  • Q2. Fos for concrete
  • Ans. 

    Fos is a type of admixture used in concrete to improve its workability and durability.

    • Fos is a water-reducing admixture that helps in reducing the water content in concrete mixtures.

    • It improves the workability of concrete, making it easier to place and finish.

    • Fos also enhances the durability of concrete by reducing permeability and increasing strength.

    • Examples of Fos for concrete include polycarboxylate-based admixture

  • Answered by AI

L&T Water & Effluent Treatment Interview FAQs

What are the top questions asked in L&T Water & Effluent Treatment Post Graduate Engineer Trainee [pget] interview?

Some of the top questions asked at the L&T Water & Effluent Treatment Post Graduate Engineer Trainee [pget] interview -

  1. Principal of bearings, refrigerat...read more
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