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Bharat Petroleum Research Engineer / Scientist Interview Questions, Process, and Tips
Bharat Petroleum Research Engineer / Scientist Interview Experiences
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Research Engineer / Scientist Interview Questions & Answers
Aniruddha Kulkarni
posted on 20 Apr 2018
I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed before Apr 2017. There were 5 interview rounds.
Interview Questionnaire
13 Questions
- Q1. 1. Tell me about yourself.
- Q2. 2. M. Tech Project presentation. - 15 Mins
- Q3. 3. What is heat exchanger? Mass balance and energy balance equation of for the heat exchanger ? How to design an heat exchanger ?
- Ans.
A heat exchanger is a device used to transfer heat between two or more fluids.
Heat exchangers are commonly used in various industries, such as HVAC, chemical processing, and power generation.
They can be classified into different types based on their construction and flow arrangement, such as shell and tube, plate, and finned.
The mass balance equation for a heat exchanger states that the mass flow rate of fluid entering...
- Q4. 4. What is carnot cylce ? Derive the equation for the efficiency of carnot cycle.
- Ans.
The Carnot cycle is a theoretical thermodynamic cycle that describes the most efficient heat engine possible.
The Carnot cycle consists of four reversible processes: isothermal expansion, adiabatic expansion, isothermal compression, and adiabatic compression.
The efficiency of the Carnot cycle is given by the equation: efficiency = 1 - (Tc/Th), where Tc is the temperature of the cold reservoir and Th is the temperature o...
- Q5. 5. What is I. C. Engine ? Otto Cycle ? Diesel Cycle?
- Ans.
I.C. Engine is an internal combustion engine that converts chemical energy into mechanical energy. Otto Cycle and Diesel Cycle are two types of I.C. Engines.
I.C. Engine stands for Internal Combustion Engine.
It is a type of engine that converts chemical energy into mechanical energy.
Otto Cycle is a type of I.C. Engine used in gasoline/petrol engines.
It consists of four strokes: intake, compression, power, and exhaust.
Di...
- Q6. 6. What you have done in the B. Tech Project?
- Q7. Director (Refineries), Director(HR), Head(R&D), ICT Professor - BPCL Chair Person were there in the interview panel.
- Q8. Tell me about yourself.
- Q9. Question by Director(HR) - You are the youngest person in the candidates and if you got selected in BPCL R&D, you will be the youngest one in the R&D Centre and all other people are 30+ in age, will you ab...
- Q10. Question by Director(Refinery) - What is your preference to work ? If R&D then why not in refinery.
- Q11. Tell us in brief about your M. Tech project.
- Q12. Tell us in brief about your B. Tech project
- Q13. What is bio-diesel ? and what is Lubricity properties of bio-diesel?
- Ans.
Bio-diesel is a renewable fuel made from vegetable oils or animal fats. Lubricity is its ability to reduce friction and wear in engines.
Bio-diesel is a type of fuel that is derived from renewable sources such as vegetable oils or animal fats.
It is produced through a process called transesterification, where the fats or oils are chemically reacted with an alcohol to form bio-diesel and glycerin.
Bio-diesel can be used as...
Interview Preparation Tips
Experience: Minimum CGPA Required - 7.5/10
BPCL R&D has given the detailed description about job profile in the notice. My M. Tech project work and job description is almost in line. So I have got the call for the interview.
General Tips: I had got very good experience while going through 2 interviews of BPCL R&D. Interviewer will check about your concepts and knowledge about the subject. I was last person to attend the interview in both the rounds. Please brush up your concepts and give brief presentation on the work you have done during your M. Tech and B. Tech project. All the best for your interview.
Skills: Communication, Body Language, Problem Solving, Analytical Skills, Leadership, Presentation Skills, Time Management, Decision Making Skills
Duration: 1-3 Months
College Name: IIT Madras
Skills evaluated in this interview
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Interview Questionnaire
4 Questions
- Q1. Questions about Pumps
- Q2. 1GCC
- Q3. Lube Oil
- Q4. Heat Exchange
Interview Preparation Tips
Experience: 30 minutes duration
General Tips: Deep knowledge of Petrochemical engineering.
College Name: IIT KANPUR
(2 Questions)
- Q1. Cfd questions like forward difference scheme and backward difference scheme.
- Q2. In which direction the fluid flows in a vertical pipe when the pressures at two vertical locations are given.
- Ans.
The direction of fluid flow in a vertical pipe depends on the pressure difference between two vertical locations.
Fluid flows from high pressure to low pressure.
If the pressure at the lower location is higher than the pressure at the upper location, the fluid will flow downwards.
If the pressure at the upper location is higher than the pressure at the lower location, the fluid will flow upwards.
The magnitude of the press...
(3 Questions)
- Q1. About Work experience
- Q2. How do you handle a negative outcome?
- Ans.
I handle negative outcomes by analyzing the root cause and identifying potential solutions.
I remain calm and objective to avoid making hasty decisions.
I review the data and identify the root cause of the negative outcome.
I brainstorm potential solutions and evaluate their feasibility.
I implement the best solution and monitor its effectiveness.
I use the experience as a learning opportunity to improve future outcomes.
- Q3. What are the factors that demotivates you in work?
(3 Questions)
- Q1. Questions based on Bernoullis principle.
- Q2. How to find if a point is inside or outside of a regular polygon?
- Ans.
To find if a point is inside or outside of a regular polygon, we can use the Ray Casting algorithm.
Draw a line from the point to a point outside the polygon
Count the number of times the line intersects with the polygon edges
If the number of intersections is odd, the point is inside the polygon
If the number of intersections is even, the point is outside the polygon
- Q3. Coding questions by the specialist in US.
3 questions on various problems based on arrays and matrices.
Interview Preparation Tips
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- Q1. Techincal 1
- Q2. With some python questions to write logical codes
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- Q1. More about business context problems. Asked real time challenges in the business and expected solution for it.
- Q2. Technical 2
Real time Business case study on implementing retail outlets and how. Speak more about data assumption and implementation of model
(2 Questions)
- Q1. Stake holder management, conflict in team etc
- Q2. Behavioral
(2 Questions)
- Q1. General questions with package discussion
- Q2. HR
I applied via Recruitment Consultant and was interviewed in Jun 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Basic SQL and statistics
Interview Preparation Tips
I applied via Company Website and was interviewed in Mar 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Everything except your previous experience and projects
Interview Preparation Tips
Advice - Read the JD carefully and prepare everything mentioned in the JD as well as everything that's not.
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