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Thermax Limited Mechanical Engineer Interview Questions and Answers

Updated 17 Jul 2025

Thermax Limited Mechanical Engineer Interview Experiences

6 interviews found

I applied via Naukri.com and was interviewed in Nov 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 tips
Round 2 - Technical 

(5 Questions)

  • Q1. Boiler startup producer
  • Q2. Boiler shutdown producer
  • Q3. What is draft in boiler
  • Q4. Cooling tower performance
  • Ans. 

    Cooling tower performance is measured by its ability to remove heat from a process stream.

    • Cooling tower performance is affected by factors such as air flow rate, water flow rate, and temperature difference between the process stream and cooling water.

    • The efficiency of a cooling tower can be improved by increasing the surface area of the heat transfer media, using a more efficient fan, or optimizing the water distributi...

  • Answered by AI
  • Q5. Pump lineup and its efficiency
  • Ans. 

    Pump lineup is crucial for efficient operation. Proper selection and maintenance can improve efficiency.

    • Pump lineup should be selected based on the required flow rate and head

    • Centrifugal pumps are commonly used for low viscosity fluids while positive displacement pumps are used for high viscosity fluids

    • Efficiency can be improved by proper maintenance such as regular cleaning and lubrication

    • Variable frequency drives can...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Thermax Limited Mechanical Engineer interview:
  • Boiler Operations
  • Pumps
  • Cooling Tower
  • Fans
Interview preparation tips for other job seekers - Technical Knowledge must necessary and communication skills
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed in May 2023. 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 tips
Round 2 - Aptitude Test 

GD &T and basic mechanical engineer

Round 3 - HR 

(2 Questions)

  • Q1. Salary negotiation and basic background
  • Q2. Last firm salary discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Fix basic

Mechanical Engineer Interview Questions Asked at Other Companies

Q1. What should be done if a pressure valve fails in a boiler?
Q2. What are the basic parts of an aeroplane and their working functi ... read more
asked in Tata Steel
Q3. What is the percentage of carbon present in cast iron?
Q4. Why is the compression ratio of petrol engines lower compared to ... read more
Q5. How can we cool a pipe in a chamber without using coolant?
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Jul 2024, where I was asked the following questions.

  • Q1. Tell me about yourself.
  • Q2. What is your greatest strengths?
  • Ans. 

    My greatest strength is my problem-solving ability, which allows me to tackle complex engineering challenges effectively.

    • Strong analytical skills: I excel at breaking down complex problems into manageable parts, as demonstrated in a recent project where I optimized a manufacturing process.

    • Attention to detail: I ensure precision in my designs, which was crucial when I identified a potential failure point in a prototype ...

  • Answered by AI
  • Q3. Why should we here you?
  • Ans. 

    I bring a strong blend of technical skills, problem-solving abilities, and a passion for innovation in mechanical engineering.

    • Proven experience in CAD software, having designed components for a successful product launch.

    • Strong analytical skills demonstrated through optimizing a manufacturing process, reducing costs by 15%.

    • Excellent teamwork and communication skills, as shown by leading a cross-functional team on a proj...

  • Answered by AI

I applied via Naukri.com and was interviewed in Oct 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. No question

Interview Preparation Tips

Interview preparation tips for other job seekers - Besiclly subject wise questions

Interview Questionnaire 

1 Question

  • Q1. Ash handling, boiler maintenance, refractory, sap, ptw.

What are the roles & responsibilities of a Mechanical Engineer at Thermax Limited?

Maintenance and Troubleshooting

  • Perform routine maintenance on mechanical equipment including boilers, HVAC systems, and compressors

Read full roles & responsibilities

Mechanical Engineer Interview Questions & Answers

user image Dharmendra Tailor

posted on 13 Jul 2022

I applied via Company Website and was interviewed before Jul 2021. 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Power plant related Questions
  • Q2. Steam turbine and AFBC and CFBC Boiler
Round 3 - HR 

(1 Question)

  • Q1. General Questions for personal not technically

Interview Preparation Tips

Interview preparation tips for other job seekers - Always Ready to face Interview not worry about it gave answers that you Know fairly.

Thermax Limited HR Interview Questions

47 questions and answers

Q. What are your greatest strengths?
Q. How do you apply your knowledge in practical situations?
Q. Why do you want to join this organization?

Top trending discussions

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Interview Hub
1w (edited)
anshitanegi
·
ex -
Planet Spark
When HR’s Chinese English made me drop the interview!
So, I talked to the HR yesterday about the interview. I asked Please send me the location But their English… bro I was shocked! It was like talking to someone jisne english nahi kuch ar hi seekh liya ho, if the HR’s English is this I can only imagine the rest of the company I decided to drop the interview with this chinese english😶‍🌫️
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Interview questions from similar companies

I applied via Naukri.com and was interviewed before May 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Write the equation for dynamics and wave spectra equations. I do not remember questions as it is 3 years back.

Interview Preparation Tips

Interview preparation tips for other job seekers - This happened in Technip FMC Hyderabad, India. I hold 10 years experience. Interviewers don not know what to get from the candidates. The panel tried to prove within themselves that can ask difficult questions. The even entered to doctorate level questions which is not valid for performing job. Finally, I conclude that they performed some time-pass session.
Are these interview questions helpful?

I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions on Process,Simulation, CAD

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

I applied via Recruitment Consultant and was interviewed in Mar 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions were related to the post John Deere were offering to candidates. For me it was Diagnostics Author position.

Interview Preparation Tips

Interview preparation tips for other job seekers - Always be aware that answer as simple as you can.
If you don't know the answer don't try to attempt simply say that you don't know and assure interviewer that if you ll get a chance you will definitely answer that.

Be optimistic and attentive.

I applied via Walk-in and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Explain Compilation process steps?

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well prior the interview, revise all the basic concepts of Embedded C and MATLAB if you have applied for embedded systems.

Thermax Limited Interview FAQs

How many rounds are there in Thermax Limited Mechanical Engineer interview?
Thermax Limited interview process usually has 2-3 rounds. The most common rounds in the Thermax Limited interview process are Resume Shortlist, Technical and HR.
How to prepare for Thermax Limited Mechanical 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 Thermax Limited. The most common topics and skills that interviewers at Thermax Limited expect are Mechanical Engineering, Air Compressor, Execution, PLC and SCADA.
What are the top questions asked in Thermax Limited Mechanical Engineer interview?

Some of the top questions asked at the Thermax Limited Mechanical Engineer interview -

  1. What is draft in boi...read more
  2. Cooling tower performa...read more
  3. Pump lineup and its efficie...read more

Tell us how to improve this page.

Overall Interview Experience Rating

4.3/5

based on 4 interview experiences

Difficulty level

Moderate 67%
Hard 33%

Duration

Less than 2 weeks 67%
2-4 weeks 33%
View more
Thermax Limited Mechanical Engineer Salary
based on 157 salaries
₹3.5 L/yr - ₹8 L/yr
12% more than the average Mechanical Engineer Salary in India
View more details

Thermax Limited Mechanical Engineer Reviews and Ratings

based on 51 reviews

4.3/5

Rating in categories

4.3

Skill development

4.1

Work-life balance

3.8

Salary

4.2

Job security

4.3

Company culture

3.8

Promotions

4.1

Work satisfaction

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