📅 Key Details

• Notification Released: 18th June 2025
• Interview Date: 11th July 2025
• Calling Ratio: 1:3
• Selection Criteria:
  • GATE Score: 75% weightage
  • Interview: 25% weightage
• General Category Cutoff: Approx. 240 marks

👥 Interview Panel

• Duration: 15–20 minutes
• Panel Members: 5 Interviewers

🧪 Technical Questions

Thermal & Power Plant Engineering

1. Rankine Cycle Application:
   • Explain the different components used in a power plant.
   • Draw and explain the Rankine cycle, highlighting key components.
2. Steam Cycle Components:
   • What are the components between Condenser and Boiler Feed Pump (BFP)?
   • Explain the purpose of a Gland Steam Condenser.
   • Define Superheated Steam.
3. Power Plant Knowledge:
   • What is the installed capacity of the power plant where you trained? (Coal and Gas)
   • What was the generation output during your training period?
   • How is power generation decided in a plant?
4. Thermodynamics Concepts:
   • Define the Safety Factor.
   • What is the Triple Point of Water? Provide its value.
   • Explain the Zeroeth Law of Thermodynamics.
   • What is an Isochoric Process?
   • How is a Constant Enthalpy process represented on a P-V diagram?

📘 General Engineering Questions

• Final Year Project:
  • Explain your project.
  • What was the weight of the gym cycle used in the project?
• Subject of Your Choice: (Be ready for in-depth questions on the chosen subject)
• Gas Turbine & Plant Cycle:
  • On which thermodynamic cycle does a Gas Power Plant operate?
  • Name companies other than BHEL that manufacture gas turbines.

🗣️ HR & Personality-Based Questions

• Why do you want to join BHEL?
• What kind of job profile do you prefer — technical/core, managerial, or R&D?
• What would be your response if placed in a monotonous/repetitive job?
• How would you introduce a new product to the market?
• What did you do last night? (Casual personality check)
• Have you applied to NTPC or any other PSUs?
• From where did you complete your schooling?

🏢 General Awareness

• What are Maharatna Companies?
• Name a few prominent PSUs in India.

✅ Preparation Tips

• Be thorough with your project work and internship/training experience.
• Revise core subjects like Thermodynamics, Power Plant Engineering, and Fluid Mechanics.
• Stay updated on BHEL’s operations, especially in power sector and manufacturing.
• Prepare a confident and structured self-introduction and be ready for HR-based situational questions.

🔧 BHEL Interview Experience – 31st May 2018

🕒 Interview Format

• Date: 31st May 2018
• Duration: Approx. 20 minutes
• Type: Personal Interview (Technical + HR)
• Panel: Multiple experts including technical and HR representatives

👋 HR Questions

1. Introduce Yourself
   • Brief background, education, and interests were expected.
   • Tip: Keep it structured — Education → Internships/Projects → Skills → Hobbies.
2. Have You Applied to Other PSUs?
   • Honest response preferred.
   • Be prepared to justify your interest in BHEL specifically.
3. What Are Your Hobbies?
   • Answer genuinely; be ready for follow-up questions.
   • Example: If you mention reading, be ready to name books or authors.

🏭 Technical Questions (Based on Industrial Training)

4. What Is the Material Used in Gears?
   • Common answers: Alloy steel, cast iron, carbon steel, bronze (depending on application).
   • Mention properties required: strength, wear resistance, toughness.
5. Explain the Gear Manufacturing Process
   • Mention methods like:
     • Casting
     • Forging
     • Machining (Hobbing, Shaping, Milling)
     • Heat treatment (hardening)
   • Be ready to name specific techniques used during your training.
6. What Tolerance Is Maintained in Gears?
   • Precision levels depend on application; e.g., AGMA standards.
   • Mention dimensional tolerance and surface finish requirements.
7. What Is Addendum in Gear Terminology?
   • Definition: Radial distance between the pitch circle and the top of the tooth.
   • Also relate to dedendum and overall tooth profile if needed.
8. What Is Gear Ratio?
   • Ratio of the number of teeth on two meshing gears or angular velocity ratio.
   • Application: Determines torque and speed in mechanical systems.

🧊 General Physics-Based Application Question

9. Why Do Thermos Flasks Have a Shiny (Reflective) Surface?
   • To reduce heat transfer by radiation.
   • Reflective surfaces minimize thermal radiation loss, maintaining temperature.

✅ Preparation Tips

• Revise basic mechanical concepts especially related to training or projects.
• Be ready to explain industrial processes and applications.
• Keep your answers structured, and support them with real-life examples.
• For HR questions, maintain clarity, confidence, and honesty.

🔧 BHEL Interview Experience –2023 Panel-Based Technical & HR Round

📍 Interview Snapshot

• Panel Strength: 8 Members (7 Male, 1 Female)
• Mode of Communication: Strictly English, no Hindi allowed
• Interview Type: HR + Technical + Personality
• Duration: ~25–30 minutes
• Focus Areas: Candidate’s background, personality, power plant engineering, and PSU preferences

🗣️ HR & Personal Questions

1. What Does Your Name Mean?
   • Asked as an icebreaker to observe communication clarity and confidence.
2. When Did You Graduate? What Have You Been Doing Since Then?
   • Be honest and structured. If working, explain roles; if gap, justify constructively.
3. What’s the Nature of Your Current Employment?
   • Provide a concise summary of current responsibilities and projects handled.
4. What Are Your Key Strengths?
   • Stick to 2–3 strengths and back them with examples.
5. What Have You Cherished Most in Your Previous Company?
   • Highlight culture, learning, mentorship, or impactful projects.
6. Your Notable Achievements So Far?
   • Can include academic, workplace, or personal milestones.

🏭 Technical Questions

7. What Does BHEL Do?
   • Overview: India’s largest power generation equipment manufacturer.
8. Name Some Key Power Plant Equipment
   • Examples: Boiler, Turbine, Generator, Condenser, Economizer, BFP, ESP, etc.
9. What Does BHEL Manufacture?
   • Boilers, turbines, transformers, generators, gas turbines, switchgears, etc.
10. What Is a Supercritical Boiler?
    • A boiler operating above critical pressure (~22.12 MPa); no phase distinction between water and steam.
11. What Is the Triple Point of Water?(Trick question — often confused with critical point)
    • Triple Point: 0.01°C, 0.00604 atm (611.657 Pa)
    • All three phases coexist — solid, liquid, gas.
12. Tell Us About Steam Turbines
    • Principle, types (impulse, reaction), applications in thermal plants.
13. Explain Regeneration and Reheating in the Rankine Cycle. Which Is More Beneficial?
    • Regeneration: Improves efficiency by preheating feedwater.
    • Reheating: Increases work output, reduces turbine moisture content.
    • Benefit comparison depends on application, but regeneration improves efficiency more directly.
14. How Can We Increase Efficiency in the Rankine Cycle? How About Increasing Work Output?
    • Efficiency: Regeneration, superheating, reducing condenser pressure.
    • Work: Reheating, increasing boiler pressure and turbine inlet temperature.
15. Tell Me More About Supercritical Boilers
    • Used in ultra-supercritical plants, high thermal efficiency, reduced fuel consumption.
16. Is a Steam Engine a Boiler? Why Is It Called a Boiler and Not a Vaporizer?
    • No, a steam engine uses steam generated by a boiler.
    • It’s called a boiler due to the phase change through boiling under pressure.

📊 Career & PSU Preference Questions

17. What Was Your GATE Score and AIR?
    • Prepare accurate figures; this often determines eligibility.
18. Which Other PSU Interviews Have You Attended?
    • Mention if appeared in IOCL, ONGC, NTPC, etc.
19. If Selected in IOCL, ONGC, NTPC, and BHEL – Which One Will You Choose and Why?
    • Choose based on alignment with your interest:
      • IOCL/ONGC – Field exposure & oil industry
      • NTPC – Power generation
      • BHEL – Core manufacturing & R&D
20. What Is Your Current Salary?
    • Answer truthfully, including CTC and in-hand, if applicable.

🧠 Final Words from the Panel

“Choose wisely, as you are likely to receive multiple appointment letters.”
— The panel advised with a smile, indicating strong performance and positive prospects.

✅ Preparation Takeaways

Prepare a balanced view of PSU preference, showing interest aligned with the organization’s goals . Communicate fluently in English throughout. Know your core subjects (especially Thermodynamics, Power Plant Engineering). Be ready for trick-based questions to test conceptual clarity (like triple point vs. critical point).

🔧 BHEL Interview Experience – 22nd May 2018, Bangalore

📍 Interview Overview

• Location: Bangalore
• Date: 22nd May 2018
• Duration: ~10–15 minutes
• Type: HR + Technical
• Panel: Friendly, short-duration discussion-based interview

🗣️ HR & Personal Questions

1. Where Are You From?
   • A common opening question to ease the candidate into the conversation.
2. Why Is Your State in the News Recently?
   • Tests awareness of current affairs and the ability to connect with social/political context.
3. Introduce Yourself
   • Prepare a 1–2 minute structured self-introduction covering education, projects, strengths, and interests.
4. Why Do You Want to Join a PSU and Not a Private Company?
   • Highlight reasons such as stability, contribution to the nation, work-life balance, and long-term career growth.
5. What Will You Do If Offered a Sales Role?
   • Be open to learning and contributing across roles; show adaptability and willingness to explore new domains.
6. Do You Plan to Go Abroad in the Future?
   • They may be checking long-term commitment. Frame your answer to show your inclination toward growth within India or with BHEL.
7. If Posted in a Remote Location, How Will You Take Care of Your Parents?
   • Highlight your support system, family planning, or readiness to manage both responsibilities maturely.

📘 Technical Questions

• A few questions were asked from the candidate’s M.Tech specialization, focusing more on conceptual clarity than deep derivations.

🛠️ For Other Candidates:

• Technical questions were mostly from Casting and Solid Mechanics.
• Even though these weren’t their favorite subjects, the questions were basic and straightforward, aimed at testing fundamentals, not depth.

📝 Overall Experience

• Interview Atmosphere: Relaxed and conversational
• Difficulty Level: Moderate
• Technical Questions: Mostly easy and concept-based
• Panel Behavior: Friendly and encouraging

✅ Preparation Tips

• Stay updated on current events, especially related to your state or region.
• Be clear and confident about your career goals (PSU vs. private).
• Prepare answers for HR situational questions like sales role, relocation, and family responsibilities.
• Revise fundamentals of core subjects even if they’re not your favorites — questions are often basic.
• For M.Tech candidates, expect subject-specific but conceptual questions.

🔧 BHEL Interview Experience – 22nd May 2018 | Bangalore

📍 Interview Snapshot

• Date: 22nd May 2018
• Location: Bangalore
• Duration: ~15 minutes
• Panel Composition: Mixed (Technical + HR)
• Overall Tone: Friendly, balanced between technical and HR

🗣️ HR Questions

1. Where Are You From?
2. Why Is Your State in the News Recently?
   • Tested general awareness and presence of mind.
3. Introduce Yourself
   • Standard opening — panel expected clarity, structure, and confidence.
4. Why PSUs and Not the Private Sector?
   • Asked to assess long-term vision, interest in public sector values, and career preferences.
5. If You Are Offered a Sales Role, Would You Accept It?
   • Tested adaptability and openness to explore different functional domains.
6. Do You Plan to Go Abroad in the Future?
   • Gauged long-term commitment to the company.
7. If Posted in a Remote Location, How Will You Manage Family Responsibilities?
   • Checked candidate’s emotional maturity and readiness for PSU postings.
8. You Graduated from a College Known for Foundry & Forge. Why Do You Prefer BHEL?
   • Panel tested the rationale behind diverging from your institute’s specialized field.
9. You Have a 1-Year Gap After B.Tech — Why?
   • Candidate explained preparation phase and improvement from GATE rank 2789 to 9, which impressed the panel.

⚙️ Technical Questions

👨‍🏭 Major Focus: Industrial Training

• Most technical questions revolved around the candidate’s industrial training experience, indicating its importance in PSU interviews.

🧪 Topics Covered:

1. Final Year Project
   • Detailed questions on the objective, application, and innovation involved.
2. Function of Lubricants
   • Explained role in reducing friction, heat dissipation, and wear prevention.
3. Welding – Definition and Types
   • Basics of welding process.
4. Filler Material for Dissimilar Welding
   • Required good practical knowledge of metallurgy and process compatibility.
5. Difference Between Lathe and Milling Machine
   • Asked to compare operations, applications, and tool motions.
6. Additional Tech Qs (M.Tech candidates):
   • Some were asked questions from their M.Tech subjects, tailored to their specialization.
7. For Other Candidates:
   • Easy and fundamental questions were asked from Casting, Solid Mechanics, and Manufacturing Processes — even if those weren’t their strong subjects.

✅ Candidate Feedback

“I was able to answer all the questions confidently. The panel was professional and encouraging. The technical questions were mostly from my training, and I felt satisfied with my performance. Now waiting for the result!”

📌 Takeaways & Tips for Future Aspirants

• Know your training and project work thoroughly — these are often the primary areas of questioning.
• Be honest and positive about career gaps; highlight improvements like GATE rank progression.
• Revise basics of manufacturing, welding, and core mechanical subjects like SOM and Casting.
• Be prepared for situational HR questions on posting location, role flexibility, and future plans.
• Panel appreciates clarity, honesty, and practical knowledge over rote memorization.

🔧 BHEL Interview Experience – 2018

📍 Interview Details

• Year: 2018
• Panel: Mixed (Technical + HR)
• Interview Duration: ~15 minutes
• Focus Areas: Core mechanical concepts, practical applications, and HR-based situational understanding

🗣️ HR & General Questions

1. Tell Me About Yourself
   • Standard opening question to assess clarity, confidence, and communication.
2. Where Are You From?(Kaha se aaye ho)
   • Ice-breaker and background check to initiate conversation.
3. What Is the Old Name of Guwahati?
   • As the candidate completed B.Tech from IIT Guwahati, the panel expected local knowledge.
   • (Answer: Pragjyotishpur)
4. How Will You Apply Your Skills Like Teamwork and Team Management at BHEL?
   • Answered to show practical application of interpersonal skills in industrial or project environments.

⚙️ Technical Questions

5. What Type of Pump Is a Fuel Injection Pump Used in Diesel Locomotives?
   • Positive Displacement Pump (not centrifugal); used for precision fuel delivery.
6. Difference Between Supercharging and Scavenging
   • Supercharging: Supplying compressed air to increase engine power.
   • Scavenging: Removal of exhaust gases to allow fresh charge intake.
7. Name the Thermodynamic Processes Based on Constraints:
   • Constant Volume – Isochoric
   • Constant Pressure – Isobaric
   • Constant Temperature – Isothermal
   • Constant Enthalpy – Isenthalpic
   • Constant Entropy – Isentropic
8. What Is Thermal Expansion in Metals?
   • Metals expand upon heating due to increased atomic vibrations, leading to dimensional changes.
9. Why Do We Prefer 4-Stroke Engines Over 2-Stroke Engines?
   • Better fuel efficiency, reduced emissions, and longer engine life due to complete combustion and better lubrication.
10. How Does Combustion Occur in a Diesel Engine?

• Compression ignition process: air is compressed, fuel is injected, and combustion occurs due to high temperature.

11. What Happens If Petrol Is Used in a Diesel Engine?

• Poor combustion, knocking, possible engine damage due to different ignition properties and compression requirements.

✅ Summary & Tips

• The panel focused on core mechanical fundamentals, especially thermodynamics and IC engines.
• Be prepared for questions from training experience, local awareness (if IIT/NIT), and practical application of soft skills.
• Keep answers to the point, especially when explaining differences or definitions.

🔧 BHEL Interview Experience – 30th May 2018

📍 Interview Overview

• Date: 30th May 2018
• Mode: Technical + HR
• Duration: ~15 minutes
• Panel Behavior: Polite, no cross-questioning
• Focus: GATE details, general technical knowledge, HR mindset, internship exposure
• Note: No questions asked from project or stated area of interest

🗣️ HR & Personal Questions

1. Tell Me About Yourself
   • A brief introduction covering education, background, and key highlights.
2. Where Are You From?
   • Basic personal information.
3. What Is Your GATE Rank and Score?
   • Be specific with figures — often used to assess eligibility.
4. Did You Take Coaching for GATE?
   • A question to understand the candidate’s preparation strategy.
5. Why Not Join Your Family Business?
   • Tested long-term commitment to a PSU career and personal ambition.
6. Are You Open to Being Posted Anywhere?
   • A standard PSU question to test adaptability and readiness for field postings.
7. What Other PSUs Have You Applied For?
   • Be honest and list them.
8. If Selected in All, Which PSU Will You Choose and Why?
   • Aims to evaluate your understanding of PSU roles and cultural fit.

⚙️ Technical Questions

9. Will a Microwave Heat a Substance That Doesn’t Contain Water?
   • Answer: Microwaves heat polar molecules like water. Substances without water or polar properties will not heat efficiently.
10. What Is Scavenging in IC Engines?

• Removal of exhaust gases to allow fresh air-fuel intake, primarily in 2-stroke engines.

11. What Is Supercharging?

• Increasing air intake pressure using a compressor to enhance engine power output.

12. Which Engine Is More Efficient: CI or SI?

• CI (Compression Ignition) engines are more efficient due to higher compression ratio and better thermal efficiency.

13. How Is Heat Transferred in Boilers?

• Through conduction, convection, and radiation — from hot flue gases to water/steam.

🏭 Internship Questions

• A few basic questions were asked based on the candidate’s summer internship experience.
• No follow-up or deep technical probing.

✅ Key Observations

• No questions were asked from final year project or preferred technical subject.
• Interview focused on GATE performance, basic technical understanding, and personal preferences.
• Panel was respectful and did not engage in cross-questioning, keeping the interaction stress-free.

📌 Tips for Future Aspirants

• Always be ready for general technical questions, even if your subject of interest is not touched.
• Be confident about your GATE journey — rank, coaching, and preparation.
• Prepare practical answers for HR questions regarding location flexibility and career decisions.
• Know your internship or training experience well — even if basic, be ready to explain your learning.

🔧 BHEL Interview Experience – 2018

📍 Interview Overview

• Panel: Friendly and engaging
• Duration: ~20 minutes
• Interview Mode: Technical + HR
• Focus Areas: Personal background, core mechanical concepts, GATE, and project work

🗣️ HR & Personal Questions

1. Tell Me About Yourself
   • A brief overview of academic background, key achievements, and skills.
2. Tell Us About Your Family
   • Asked to understand your personal background and support system.
3. What Were You Doing for the Past 2 Years?
   • Explained as preparation for GATE and upskilling; be honest and structured.
4. GATE Marks and Rank?
   • Clearly state your marks, score, and AIR.
5. If You Are Placed in a Southern Location, Will That Be a Problem?
   • Asked to assess flexibility in postings — answer positively.
6. What Type of Role Are You Seeking in BHEL?
   • Be specific: Design, Manufacturing, R&D, Project Execution, or Field Operations based on your interests and skills.
7. What Are Your Hobbies?
   • Be genuine and ready for follow-ups; hobbies help gauge personality fit.

⚙️ Technical Questions

8. Tell Me About Your Final Year Project
   • Highlight the objective, methodology, outcomes, and relevance.
9. What Is Your Favourite Subject?
   • Be prepared for deep conceptual and application-based questions on the subject you choose.
10. What Are the Applications of Fluid Mechanics in Aircrafts?
    • Mention lift generation, drag analysis, flow over wings, and aerodynamics.
11. What Is an Aerofoil?
    • A streamlined shape designed to generate lift when air flows over it.
12. Heat Transfer Applications in Industries
    • Heat exchangers, condensers, evaporators, boilers, furnaces, and cooling systems.
13. Types of Valves Used in Industry
    • Gate, Globe, Ball, Butterfly, Check, Pressure Relief (used for safety).
14. Gear Manufacturing Methods
    • Hobbing, Shaping, Milling, Casting, Powder Metallurgy, Forging.
15. What Causes Viscosity in Gases?
    • Intermolecular momentum exchange due to molecular collisions.
16. Boiling Point of Glycerine?
    • Approx. 290°C (depends on pressure conditions).
17. What If an IC Engine Is Air-Cooled Instead of Water-Cooled?
    • Reduced cooling efficiency, uneven heat dissipation, possible overheating in high-load conditions.

✅ Final Remarks

The panel was friendly, asked clear and practical questions, and created a comfortable interview atmosphere. No stress-based tactics were used.

📌 Tips for Future Aspirants

• Be ready to explain gaps with confidence and clarity.
• Know your project work and favourite subject thoroughly.
• Prepare for application-based questions in core subjects like Fluid Mechanics, Heat Transfer, and IC Engines.
• Stay updated with basic engineering data (e.g., boiling points, safety components).
• Maintain a positive attitude toward postings and job roles.

BHEL Interview Experience – 2023

👥 Panel Composition:

• 6 Members (including 1 Female)

📝 Personal Questions:

1. What are your hobbies?
2. What are your strengths?
3. Explain the gap in your career/studies.
4. Tell us about your training/internship.
5. Will you be comfortable if posted in South India?
6. Describe your family background.

⚙️ Technical Questions:

1. What are the types of hydraulic turbines?
2. What are the applications of thermodynamics in industries?
3. If the refrigerator door is kept open in a room, what will happen to the room temperature?
4. In which thermodynamic cycle is air used?
5. Name different types of valves.
6. Where are these valves used in a power plant?
7. How does the combustible flue gas exit from the power plant?
8. Fill in the blank:
   The teamworker is **__**.

🔧 BHEL Interview Experience – Mechanical Engineering

📅 Date: 30th May 2018

📍 Location: [Assumed PSU Interview Center]

👥 Panel: 5 Members (including 2 Female Panelists)

⏱️ Duration: ~15 Minutes

📝 Nature: Technical + HR

🗣️ HR & Personal Questions

1. Tell Me About Yourself
   • A brief introduction including academic background, key achievements, and motivation.
2. Where Are You From?
   • A general background question to ease into the conversation.
3. What Is Your GATE Rank and Score?
   • Be precise with figures; GATE credentials are a core shortlisting parameter.
4. Did You Take Coaching for GATE?
   • Answered honestly, showcasing either self-study discipline or coaching effectiveness.
5. Why Didn’t You Join Your Family Business?
   • Asked to understand your long-term career goals and inclination toward public service/engineering roles.
6. Are You Open to Working Anywhere in India?
   • Checked for location flexibility, especially in remote or plant-based assignments.
7. What Other PSUs Have You Applied To?
   • Aimed at assessing your seriousness toward PSU careers.
8. If Selected in All PSUs (e.g., IOCL, NTPC, BHEL), Which One Would You Join and Why?
   • Panel tested your clarity about PSU roles, interest in BHEL, and decision-making ability.

⚙️ Technical Questions

Note: While the panel did not ask questions from the stated area of interest or final year project, a few basic conceptual questions were asked from general engineering knowledge and internship experience.

9. Will a Microwave Heat a Substance That Doesn’t Contain Water?
   • Answer: No or very limited heating — microwaves primarily heat polar molecules like water.
10. What Is Scavenging in IC Engines?

• The process of removing exhaust gases from the combustion chamber, especially in 2-stroke engines.

11. What Is Supercharging?

• Increasing the air pressure supplied to the engine to boost power output using a compressor.

12. Which Engine Is More Efficient: CI or SI?

• CI (Compression Ignition) engines are more efficient due to higher compression ratio and better thermal efficiency.

13. How Is Heat Transferred in Boilers?

• Through conduction, convection, and radiation from hot gases to water and steam.

🏭 Internship-Based Questions

• A few light questions were asked from the summer internship, focused on understanding the exposure gained.
• No in-depth technical cross-questioning or derivations were involved.

✅ Interview Experience Summary

• Panel Behavior: Friendly and respectful
• No cross-questioning — straightforward Q&A format
• No questions from area of interest or B.Tech project, making it a conceptual + HR-centric interview
• Emphasis on basic mechanical concepts, career choices, and flexibility for PSU roles

📌 Tips for Future Candidates

• Be ready for unexpected basic questions, even outside your core subjects.
• Don’t rely solely on project/subject expertise — basic conceptual clarity is key.
• Be honest about coaching, career gaps, and family expectations.
• Prepare strong, logical answers for “Why PSU?” and “PSU preferences” questions.
• Expect minimal technical depth but a strong focus on clarity and attitude.

🔧 BHEL Interview Experience – 2018 | Mechanical Engineering

📍 Interview Details

• Panel Type: Mixed (Technical + HR)
• Duration: ~15–20 minutes
• Mode: Bilingual (Questions in English and Hindi)
• Focus Areas: Training, Mechanical Concepts, Soft Skills

🗣️ HR & General Questions

1. Tell Me About Yourself
   • A brief summary of your education, background, strengths, and interests.
2. Kaha Se Aaye Ho?(Where are you from?)
   • Basic personal question to understand regional and cultural background.
3. What Is the Old Name of Guwahati?
   • (Answer: Pragjyotishpur)
   • Asked because the candidate completed B.Tech from IIT Guwahati.
4. Tell Us About Your Training
   • Discussed industrial training experience — location, type of work, and learnings.

⚙️ Technical Questions

5. What Type of Pump Is a Fuel Injection Pump (Used in Diesel Locomotives)?
   • Answer: Positive Displacement Pump
   • Tested understanding of fluid machinery and engine components.
6. Difference Between Supercharging and Scavenging
   • Supercharging: Supplying compressed air to the engine to increase power output.
   • Scavenging: Removal of exhaust gases to allow a fresh charge into the cylinder (mainly in 2-stroke engines).
7. Name the Thermodynamic Processes Based on Constraints:
   • Constant Volume → Isochoric
   • Constant Pressure → Isobaric
   • Constant Temperature → Isothermal
   • Constant Enthalpy → Isenthalpic
   • Constant Entropy → Isentropic
8. How Will You Apply Your Skills Like Teamwork and Team Management in BHEL?
   • Explained using examples from past projects or leadership roles; emphasized ability to collaborate in large teams and manage coordination during execution.
9. What Is Thermal Expansion in Metals?
   • Metals expand when heated due to increased atomic vibrations, causing an increase in dimensions.
10. Why Are 4-Stroke Engines Preferred Over 2-Stroke Engines?

• Higher fuel efficiency, lower emissions, better lubrication, and longer engine life.

11. How Does Combustion Occur in a Diesel Engine?

• Diesel engines operate on compression ignition; air is compressed, fuel is injected, and high temperature initiates combustion.

12. What Happens If Petrol Is Used in a Diesel Engine?

• Leads to poor combustion, knocking, engine misfire, and possible damage due to differences in ignition characteristics and fuel viscosity.

✅ Final Impressions

• Interview Atmosphere: Balanced and engaging
• Panel Behavior: Courteous, no stress-based questioning
• Focus: Practical understanding, application of knowledge, and soft skills
• Language: Mixed – questions in both English and Hindi

📌 Preparation Tips

• Know your industrial training experience thoroughly — it’s a high-focus area.
• Be confident with thermodynamic processes and IC engine fundamentals.
• Prepare for HR-based situational questions around teamwork, adaptability, and location preference.
• Brush up on general awareness related to your educational background (like IITG in this case).

🧑‍💼 BHEL Interview Experience – HR Round (Mechanical Engineering)

📍 Date: 22nd May 2018 | Location: Bangalore

⏱️ Duration: 10–15 minutes

👥 Panel Type: Mixed (HR + Technical)

🗣️ HR Questions & Responses

1. “You’re from a college specialized in Foundry and Forge. Why are you choosing BHEL instead of that domain?”
   • The panel wanted to understand your motivation behind moving toward a broader public sector role rather than sticking to a specialized stream.
   • Suggested Response: “While my college offered deep insights into foundry and forging, my long-term interest lies in contributing to a diversified engineering organization like BHEL, where I can apply broader mechanical skills across design, manufacturing, and power sectors.”
2. “Why is there a one-year gap after B.Tech?”
   • Your response was well-received: “I focused on preparing for GATE during this time. I improved my rank significantly from 2789 to 9, demonstrating my commitment and learning from past attempts.”
3. “If you’re posted in a remote location, will that be an issue?”
   • This tested your adaptability and willingness to work in plant/field roles.
   • A positive answer here showcases your flexibility and PSU mindset.
4. “Where are you from?”
   • An ice-breaker and a cue for potential state-related questions.
5. “Why is your state in the news recently?”
   • Assesses awareness of current affairs, especially related to your home state.
6. “Introduce yourself.”
   • Standard opening. You likely gave a structured academic and personal intro highlighting key strengths.
7. “Why PSU and not the private sector?”
   • Evaluates your understanding of PSU roles and long-term vision.
   • Possible Response: “I value the impact, scale, and national service associated with PSUs. BHEL aligns with my technical interests and offers stable growth, technical depth, and an opportunity to work on large-scale infrastructure projects.”
8. “What if you are offered a sales role?”
   • Tests versatility. A balanced answer shows openness to learning and contributing in any function.
9. “Do you plan to go abroad in the future?”
   • Gauges your long-term commitment to the organization.
10. “If posted in a remote location, how will you take care of your parents?”

• Personal-situational question to assess your planning and emotional maturity.
• Good answers include mention of support systems or responsible decision-making.

⚙️ Technical Questions (Minimal)

• A few questions were asked from your M.Tech specialization, mostly basic.
• Other candidates were asked from areas like Casting and Solid Mechanics—even if those weren’t their strengths, questions remained easy and conceptual.

✅ Final Thoughts

“The interview lasted around 15 minutes. I was able to answer all questions confidently. The panel was professional and supportive. Overall, I’m satisfied with my performance and now awaiting the result.”

📌 Takeaways for Future Aspirants

• Prepare honest and strategic answers for career gaps with measurable improvement (like GATE rank).
• Stay open to job location, role flexibility, and long-term commitment.
• Expect general awareness questions about your home state or national events.
• Panel may not go deep into technicals, but do revise basics from Casting, SOM, and your specialization.

🔧 BHEL Interview Experience – Mechanical Engineering

📍 Date: 23rd

⏱️ Duration: Approximately 15 minutes

👥 Panel Composition: Friendly and balanced (Technical + HR)

🧪 Technical Questions:

The majority of the questions were based on my industrial training, reflecting the panel’s focus on practical exposure and real-world understanding.

1. Questions from Industrial Training
   – Most questions were related to my hands-on experience during training.
   – I was asked to explain the processes and operations I was involved in.
2. Final Year Project
   – I was asked to elaborate on the objective, methodology, and outcomes of my project.
3. Function of Lubricants
   – Explained how lubricants reduce friction, prevent wear, and assist in heat dissipation.
4. Definition of Welding
   – Gave a basic definition, types, and applications of welding processes.
5. Filler Materials Used for Dissimilar Welding
   – Discussed suitable filler materials used for joining dissimilar metals and their properties.
6. Difference Between Lathe and Milling Machine
   – Explained the difference in tool movement, operation type (turning vs. cutting), and applications.

🧑‍💼 HR Questions:

1. “You’re from a college specialized in Foundry and Forge – Why BHEL?”
   – I explained that while my institute emphasized foundry and forging, my personal interest lies in contributing to a diversified engineering and power sector company like BHEL, where I can grow in various domains.
2. “Why is there a 1-year gap after B.Tech?”
   – I clarified that I dedicated that year to preparing for GATE and successfully improved my rank from 2789 to 9, showing commitment and perseverance.
3. “If you are posted in a remote location, will it be an issue?”
   – I assured them of my flexibility and willingness to work anywhere, especially for an esteemed organization like BHEL.

✅ Final Remarks:

The interview lasted around 15 minutes and was well-balanced between technical and HR topics. I was able to answer all questions confidently and felt satisfied with my performance. Now, I am positively waiting for the results.