40+ Chennai Petroleum Corporation Interview Questions & Answers | Complete Prep Guide 2025

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Mechanical Foreman Interview Questions & Answers

Anonymous

posted on 28 Apr 2022

I applied via Walk-in and was interviewed in Oct 2021. There were 8 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.

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Round 2 - Aptitude Test

My behaviour, and responsibility

Round 3 - Coding Test

Speech and knowlege

Round 4 - Group Discussion

Shereing of the obverse

Round 5 - Case Study

My prossnal job

Round 6 - HR

(1 Question)

Q1. Take of job and documents

Ans.

Work permit and equipment details with jobsop

Answered by vinoth kavi

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Round 7 - Technical

(1 Question)

Q1. Job and documents knowledgeable

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Round 8 - One-on-one

(1 Question)

Q1. My profile and job knowledge

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Interview Preparation Tips

Interview preparation tips for other job seekers - Good Job and documents knowledge🤝

Mechanical Foreman Interview Questions asked at other Companies

Q1. Will you be able to manage confined space activities?? What are the hazards and how will you mitigate them?

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Calpion Software Technologies

Be part of a company where work compliments life, not consumes it.

Engineering Assistant Interview Questions & Answers

posted on 20 Jan 2023

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

Selected

I applied via Newspaper Ad and was interviewed before Jan 2022. There were 2 interview rounds.

Round 1 - Aptitude Test

30 question from Numerical Aptitude, 10 from english language, 10 GK, 10 reasoning, 60 from branch subject and safety. With negative marking ok 25%.

Round 2 - Technical

(6 Questions)

Q1. Where are you working

Ans. I am working in urea plant, chambal fertilizer chemicals ltd, kota

Answered by O210 089_Vinod Kumar Varma[PT]

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Q2. Which process used to manufacture urea?

Ans.

Urea is manufactured through the Haber-Bosch process.

The Haber-Bosch process is a chemical reaction that combines nitrogen and hydrogen to produce ammonia.
The ammonia is then reacted with carbon dioxide to form urea.
The process involves high pressure and temperature conditions.
The reaction is catalyzed by iron-based catalysts.
The urea produced is used as a fertilizer and in the production of plastics, resins, and adhes

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Q3. How you get prilled urea?

Ans.

Prilled urea is obtained through a process called prilling, which involves the formation of small spherical pellets.

Prilling is a method used to produce solid spherical particles.
Urea is melted and then sprayed into a tower where it solidifies into small pellets.
The pellets are then cooled and collected as prilled urea.
Prilled urea is commonly used as a fertilizer due to its ease of handling and high nitrogen content.

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Q4. Show the block diagram of urea plant.

Ans.

The block diagram of a urea plant includes several stages such as synthesis, stripping, and granulation.

The synthesis stage involves the reaction of ammonia and carbon dioxide to form ammonium carbamate, which is then dehydrated to form urea.
The stripping stage involves the removal of excess ammonia and carbon dioxide from the urea solution.
The granulation stage involves the formation of solid urea granules through a p...

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Q5. I make the block diagram

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Q6. Which subject you prefer to discuss from chemical engg

Ans.

I prefer to discuss topics related to process control in chemical engineering.

Process control: I find the principles and techniques of process control fascinating.
Control systems: I enjoy discussing the design and optimization of control systems in chemical processes.
Instrumentation: I am interested in the various instruments used in chemical engineering and their applications.
Automation: I find the automation of chemi...

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Interview Preparation Tips

Interview preparation tips for other job seekers - Don't hasitate and give short ans for question asked. If don't know tell clearly.

Engineering Assistant Interview Questions asked at other Companies

Q1. The work hours period is susceptible to person and in supervision of regulatory authority why? Explain ..

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Chennai Petroleum Corporation Interview Questions and Answers for Freshers

Interview Questions & Answers

otismil

posted on 23 Mar 2022

I applied via NATS and was interviewed in Sep 2021. There was 1 interview round.

Round 1 - HR

(1 Question)

Q1. Tell me about yourself.

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Interview Preparation Tips

Topics to prepare for Chennai Petroleum Corporation interview:

Basic knowledge about where you going

Interview preparation tips for other job seekers - I am Not an permanent employee in CPCL. I have been selected as Graduate Engineering apprentice Training From March 2022 to march 2023. I have applied it in NATS with the help of it I have been selected by certificate verification and by Academic Grade.
I hope this will help your thoughts.

Draughtsman Mechanical Interview Questions & Answers

Anonymous

posted on 15 Jun 2021

Interview Questionnaire

2 Questions

Q1. How many mm in inches

Ans.

There are 25.4 millimeters in one inch.

1 inch is equal to 25.4 millimeters.
To convert inches to millimeters, multiply the number of inches by 25.4.
To convert millimeters to inches, divide the number of millimeters by 25.4.

Answered by AI

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Q2. What is the isometric drawing and auto graphics drawing

Ans.

Isometric drawing is a 3D representation of an object, while auto graphics drawing is a 2D representation of an object.

Isometric drawing shows all three dimensions of an object in a single view.
Auto graphics drawing is a 2D representation of an object, typically used in technical drawings.
Isometric drawings are often used in engineering and architecture to show how an object will look in 3D.
Auto graphics drawings are c...

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Draughtsman Mechanical Interview Questions asked at other Companies

Q1. What's a vfd? How does it functions? What's difference in vrf and vav system? Which nfpa code used for fire pumps? What's a freeboard in tanks?

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Mechanical Supervisor Interview Questions & Answers

Vijayan Damodharan

posted on 18 Jan 2020

Interview Questionnaire

6 Questions

Q1. The steam turbines rotor it's running time which bearing take load ?

Ans.

The steam turbines rotor puts load on the thrust bearing.

The steam turbines rotor puts load on the thrust bearing.
The thrust bearing is designed to handle the axial load generated by the rotor.
Other bearings in the steam turbine, such as journal bearings, handle radial loads.
The thrust bearing is typically located at the non-drive end of the rotor.
Examples of thrust bearings used in steam turbines include tilting pad b

Answered by AI

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Q2. Why need lube oil number cod ?

Ans.

Lube oil number cod is needed to identify the type of lubricant used in machinery.

Lube oil number cod helps in identifying the viscosity of the lubricant.
It also helps in determining the type of base oil used in the lubricant.
Different machinery requires different types of lubricants with specific viscosity and base oil.
Lube oil number cod helps in ensuring the correct lubricant is used for the machinery.
For example, a...

Answered by AI

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Q3. Yes we need identify lube oi density velocity

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Q4. What is the meaning TDC ? BDC?

Ans.

TDC stands for Top Dead Center and BDC stands for Bottom Dead Center.

TDC is the point where the piston is at its highest position in the cylinder.
BDC is the point where the piston is at its lowest position in the cylinder.
These terms are commonly used in internal combustion engines.
The position of the piston at TDC and BDC is important for engine timing and performance.
TDC and BDC are also used in reference to the posi...

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Q5. Top dead center /Bottom dead center

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Q6. 1 Bar how much PSI?

Ans.

1 bar is equal to 14.5038 PSI.

1 bar is a unit of pressure measurement in the metric system.
PSI stands for pounds per square inch and is a unit of pressure measurement in the imperial system.
1 bar is equal to 100,000 Pascals (Pa) or 14.5038 PSI.
This conversion is important in industries such as automotive and aerospace engineering.

Answered by AI

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Interview Preparation Tips

Interview preparation tips for other job seekers - This is Rotating equipment maintenance
This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.Tech curriculum i.e. computer science related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher. You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.

Mechanical Supervisor Interview Questions asked at other Companies

Q1. What you will do if any person injured inside confine space?

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Get interview-ready with Top Chennai Petroleum Corporation Interview Questions

Technician Interview Questions & Answers

Anonymous

posted on 11 Apr 2022

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

Round 1 - Technical

(2 Questions)

Q1. Nil not in users bad

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Q2. Nil Waste of time correction

Ans.

Nil waste of time correction refers to the process of eliminating unnecessary or unproductive activities in order to optimize time management.

Identify time-wasting activities
Prioritize tasks based on importance and urgency
Delegate tasks when possible
Use time management tools such as calendars and to-do lists
Regularly evaluate and adjust time management strategies

Answered by AI

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Interview Preparation Tips

Interview preparation tips for other job seekers - Nil
Keep do ur work with hardworking but it'd not user

Technician Interview Questions asked at other Companies

Q1. What kinds of pipe used for hot and cold water supply ?

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Interview Tips & Stories

4d (edited)

timepasstiwari

A Digital Markter

Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question

So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours... read more

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Chennai Petroleum Corporation Interview FAQs

How many rounds are there in Chennai Petroleum Corporation interview?

Chennai Petroleum Corporation interview process usually has 2-3 rounds. The most common rounds in the Chennai Petroleum Corporation interview process are Technical, Aptitude Test and Resume Shortlist.

What are the top questions asked in Chennai Petroleum Corporation interview?

Some of the top questions asked at the Chennai Petroleum Corporation interview -

The steam turbines rotor it's running time which bearing take loa...read more
What is the difference between in 7018 rod and 6018 ...read more
Why in a centrifugal pump alignment dial gauge usi...read more

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Chennai Petroleum Corporation Salaries in India

Safety Officer 31 salaries	₹0 L/yr - ₹0 L/yr
Instrumentation Technician 31 salaries	₹0 L/yr - ₹0 L/yr
Mechanical Technician 24 salaries	₹0 L/yr - ₹0 L/yr
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