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Sona Comstar Furnace Operator Interview Questions and Answers

Updated 2 Feb 2025

Sona Comstar Furnace Operator Interview Experiences

1 interview found

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. What is Thermo calpal
  • Ans. 

    Thermo calpal is a type of refractory material used in furnaces to withstand high temperatures.

    • Thermo calpal is a heat-resistant material used in furnace linings.

    • It is designed to withstand extreme temperatures and thermal shock.

    • Thermo calpal helps to maintain the structural integrity of the furnace during operation.

  • Answered by AI

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Dec 2023. There was 1 interview round.

Round 1 - Group Discussion 

About past experience

I applied via Recruitment Consultant and was interviewed in Feb 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Gd&t, drawing reading, Cmm programming, cmm operating,

Interview Preparation Tips

Interview preparation tips for other job seekers - Good interview

I applied via Campus Placement and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

Journal knowledge of plastic raw material and their defect

Round 2 - HR 

(5 Questions)

  • Q1. Why should we hire you?
  • Q2. Why are you looking for a change?
  • Q3. Where do you see yourself in 5 years?
  • Q4. What are your strengths and weaknesses?
  • Q5. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - Energetic person give a chance of work Motherson company
Round 1 - Technical 

(3 Questions)

  • Q1. What is ic engine About wire harness
  • Ans. 

    IC engine stands for Internal Combustion Engine which converts fuel into mechanical energy.

    • IC engine is used in automobiles, generators, and other machinery.

    • It works by burning fuel inside a combustion chamber to create high-pressure gases that move a piston.

    • There are two types of IC engines: spark-ignition (petrol) and compression-ignition (diesel).

    • IC engines require a wire harness to connect various electrical compon...

  • Answered by AI
  • Q2. What is petrol engine
  • Ans. 

    A petrol engine is an internal combustion engine that uses petrol as fuel to power the vehicle.

    • Petrol engines are commonly used in cars, motorcycles, and small aircraft.

    • They work by igniting a mixture of petrol and air in a combustion chamber, which creates a small explosion that pushes a piston.

    • This motion is transferred to the crankshaft, which turns the wheels of the vehicle.

    • Petrol engines are known for their high p...

  • Answered by AI
  • Q3. What is an automobile
  • Ans. 

    An automobile is a motor vehicle designed for transportation on roads.

    • It typically has four wheels and is powered by an internal combustion engine or electric motor.

    • Automobiles come in various types such as sedans, SUVs, trucks, and vans.

    • They are used for personal transportation, commercial transportation, and racing.

    • Examples of popular automobile brands include Toyota, Ford, BMW, and Tesla.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - IC engine, thermodynamic , personalty test , flywheel ,Governor, Crank shaft
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How to submit form in powerapps
  • Ans. 

    To submit a form in PowerApps, use the SubmitForm function.

    • Use the SubmitForm function to submit the form data.

    • You can trigger the SubmitForm function on a button click or any other event.

    • Make sure to handle any validation or error messages before submitting the form.

  • Answered by AI
  • Q2. What is different between SP 2013 and Sharepoint online
  • Ans. 

    SharePoint 2013 is an on-premises version while SharePoint Online is cloud-based.

    • SharePoint 2013 requires on-premises infrastructure, while SharePoint Online is cloud-based.

    • SharePoint 2013 requires manual updates and maintenance, while SharePoint Online is automatically updated by Microsoft.

    • SharePoint 2013 has a one-time licensing fee, while SharePoint Online is subscription-based.

    • SharePoint 2013 has limited storage ca...

  • Answered by AI

Skills evaluated in this interview

I applied via Walk-in and was interviewed in Mar 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 - Aptitude Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - 2year experience in production department

I applied via Company Website

Round 1 - Technical 

(6 Questions)

  • Q1. What is mean of TTR & why required for powder coating process ?
  • Ans. 

    TTR stands for Total Thickness Range and is required for powder coating process to ensure proper adhesion and durability.

    • TTR is the range of thickness of the substrate and any coatings applied to it

    • It is important for powder coating as it ensures proper adhesion and durability

    • If the TTR is too large, the coating may not adhere properly or may crack and peel over time

    • Examples of substrates with varying TTR include alumi

  • Answered by AI
  • Q2. What is mean of detection & prevention pokayoke?
  • Ans. 

    Detection and prevention poka-yoke refers to the use of techniques to identify and prevent errors in a process.

    • Poka-yoke is a Japanese term for mistake-proofing

    • Detection poka-yoke involves identifying errors as they occur

    • Prevention poka-yoke involves designing processes to prevent errors from occurring

    • Examples of poka-yoke include using checklists, color-coding, and physical barriers

    • Poka-yoke can improve quality, reduc

  • Answered by AI
  • Q3. Which condition PH decrease in conversion coating?
  • Ans. 

    Decrease in pH can occur due to various factors in conversion coating.

    • Decrease in pH can be caused by the addition of an acid or acidic solution.

    • Presence of reactive metals in the coating can lead to a decrease in pH.

    • Contamination by organic materials or impurities can also lower the pH.

    • Chemical reactions during the conversion coating process may result in pH decrease.

    • Examples of conversion coatings include phosphating

  • Answered by AI
  • Q4. How to prepared 0.1 N H2so4 & Naoh ?
  • Ans. 

    To prepare 0.1 N H2SO4 & NaOH, calculate the required amount of solute and dissolve it in distilled water.

    • Calculate the molar mass of H2SO4 and NaOH

    • Determine the required amount of solute using the formula: N = (W/M) x (1000/V)

    • Dissolve the calculated amount of solute in distilled water to make 1 liter of solution

    • Standardize the solution using a primary standard

    • Use a burette to measure the volume of solution needed for

  • Answered by AI
  • Q5. How to cross verify 0.1 normality H2so4?
  • Ans. 

    To cross verify 0.1 normality H2SO4, use a standard solution of NaOH and an indicator.

    • Prepare a standard solution of NaOH of known concentration.

    • Add a few drops of an indicator such as phenolphthalein to the H2SO4 solution.

    • Titrate the H2SO4 solution with the NaOH solution until the endpoint is reached.

    • The endpoint is when the indicator changes color, indicating that all the H2SO4 has reacted with the NaOH.

    • Calculate the...

  • Answered by AI
  • Q6. How to prepared ph buffer solution as per defined standard in tablet?
  • Ans. 

    Prepare a pH buffer solution as per defined standard in tablet.

    • Determine the required pH value and buffer capacity

    • Select the appropriate buffer system and calculate the required amounts of buffer components

    • Dissolve the buffer components in water and adjust the pH as necessary

    • Check the pH and adjust if necessary

    • Filter the solution and store in a clean container

    • Use a calibrated pH meter to verify the pH of the solution

  • Answered by AI
Round 2 - Assignment 

Interview Preparation Tips

Interview preparation tips for other job seekers - As for as my view is concern best performance maintaining in plant
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Oct 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 

(2 Questions)

  • Q1. Where are you living?
  • Q2. Why are you leaving your last company?
Round 3 - Technical 

(4 Questions)

  • Q1. Circuit diagram of relay holding.
  • Ans. 

    A relay holding circuit diagram is used to keep the relay in the energized state even after the control signal is removed.

    • The circuit typically includes a holding contact that maintains the relay coil energized.

    • A latching relay can also be used for holding without continuous power supply.

    • Examples: ladder logic diagram with a holding contact, latching relay circuit diagram.

  • Answered by AI
  • Q2. What is PNP and NPN
  • Ans. 

    PNP and NPN are types of bipolar junction transistors commonly used in electronic circuits.

    • PNP transistor has a layer of N-type semiconductor between two layers of P-type semiconductor, while NPN transistor has a layer of P-type semiconductor between two layers of N-type semiconductor.

    • In a PNP transistor, current flows from the emitter to the base and then to the collector, while in an NPN transistor, current flows fro...

  • Answered by AI
  • Q3. How many type of sensor?
  • Ans. 

    There are various types of sensors used for different purposes.

    • Temperature sensors (e.g. thermocouples, thermistors)

    • Pressure sensors (e.g. piezoelectric sensors)

    • Motion sensors (e.g. accelerometers, gyroscopes)

    • Proximity sensors (e.g. ultrasonic sensors)

    • Light sensors (e.g. photodiodes, phototransistors)

  • Answered by AI
  • Q4. What is PLC and full form?
  • Ans. 

    PLC stands for Programmable Logic Controller, which is a digital computer used for automation of electromechanical processes.

    • PLC is used to control machinery in manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability control.

    • It is programmed using a specialized computer language, typically ladder logic or function block diagram.

    • PLCs are commonly used in industrie...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Your rlc circuit must be very strong.

Skills evaluated in this interview

Interview Questionnaire 

5 Questions

  • Q1. What are your strengths, weaknesses..?
  • Ans. 

    My strengths include leadership, problem-solving, and communication. My weaknesses are time management and public speaking.

    • Strengths: Leadership - I have experience leading teams and delegating tasks. Problem-solving - I am able to think critically and find solutions to complex problems. Communication - I am able to effectively communicate with team members and clients.

    • Weaknesses: Time management - I sometimes struggle...

  • Answered by AI
  • Q2. What irritates you most..?
  • Ans. 

    Inefficiency and lack of communication irritate me the most.

    • Inefficiency in completing tasks

    • Lack of communication within the team

    • Not being able to meet deadlines due to lack of planning

    • Unnecessary delays in decision-making

    • Micromanagement

    • Lack of clarity in instructions

  • Answered by AI
  • Q3. What do you do in such situations..?
  • Ans. 

    I assess the situation, gather information, and make a decision based on company policies and procedures.

    • Assess the situation and determine the severity of the issue

    • Gather information from all parties involved

    • Refer to company policies and procedures for guidance

    • Make a decision based on the information gathered and company guidelines

    • Communicate the decision to all parties involved

  • Answered by AI
  • Q4. Are you a leader or a follower...?
  • Ans. 

    I am a leader who can also follow when necessary.

    • I believe in leading by example and inspiring others to follow.

    • I am comfortable taking charge and making decisions, but also value input from others.

    • I am adaptable and can switch between leading and following depending on the situation.

    • For example, in a team project, I would take the lead in organizing and delegating tasks, but also listen to and incorporate ideas from t...

  • Answered by AI
  • Q5. Which one is good

Interview Preparation Tips

Round: Resume Shortlist
Experience: I have a CGPA 7.38.

Round: Test
Experience: There was an online objective test
Tips: Previous year IIT Gate book is the best thing to prepare for the technical test for any company. I started doing it in October only.
Duration: 80 min minutes

Round: Interview
Experience: There were two rounds of interview ; 30min for Tech and 10 min HR.
Tips: If you are in ED they will test your basic design skills. They showed a CAD drawing and asking the meaning of symbols, then they asked questions related to general designs available in our surroundings like why is that sewage hole round on the ground why not square or others. If you are in Mechanical, they will ask u core Mech subjects. So please first prepare very well subjects related to your respective interns. A whole interview can be drawn on that. In my case it was IC engine so I answered all the questions related to it and that didn't allow them to ask in any other topic.

Round: Interview
Experience: It was gen. All HR rounds just want to test how much positive you are in life, whether you will leave the company soon.
Tips: Be prepared with answers beforehand. The answers to all the above questions should be "depends on the
situation" and describe them in which situation u will choose which one. PS: if it’s a panel where HR is also there, they will try to excite you by asking gen questions like which team you support in IPL, do u have any gf etc. to make you lite, then again shoot you with some questions. Please don’t get deviated by those.

Skill Tips: Mock tests, Aimcats, Gate book. For GDs, we organised them in our wing. It was very helpful.
Kindly do it often in your wing and among your batch mates too. Same goes for interview. There
are lots of general interview questions available on FTP server, prepare for them well and have
mock interviews. "Alumni interviews" were very helpful, please attend that. Randstad sessions were an absolutely waste of money and time. I was mainly selected due to my internship with Bosch. Prepare all subjects related to your intern. It will be the game changer.
College Name: IIT Madras
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Sona Comstar Interview FAQs

How many rounds are there in Sona Comstar Furnace Operator interview?
Sona Comstar interview process usually has 1 rounds. The most common rounds in the Sona Comstar interview process are Technical.

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