BPCL Kochi Oil Refinery Graduate Apprentice Interview Questions and Answers

I applied for the Finance Department, which was based on Accounting and Finance 75% and general aptitude and English 25%.

Q1. No questions were asked just document verification.
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Q1. What skills have you learnt?
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Q2. Your favourite topics in btech?
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Q3. What is your aim as a mechanical engineer?
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Q4. What is t-s diagram? What is casting?
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A t-s diagram is a thermodynamic diagram used to visualize the temperature-entropy relationship of a system. Casting is a manufacturing process where a liquid material is poured into a mold to solidify into a desired shape.
• A t-s diagram plots temperature on the x-axis and entropy on the y-axis, showing the thermodynamic state of a system.

• Casting involves pouring molten metal, plastic, or other materials into a mold to ...read more
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Q5. What is lathe machine and describe how it is operated? Different functions? Threading?
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A lathe machine is a tool used for shaping materials by rotating them against a cutting tool. It is operated by controlling the rotation speed and feed rate.
• Lathe machine rotates the workpiece against a cutting tool to remove material and create a desired shape.

• It can perform various functions such as turning, facing, drilling, boring, and taper turning.

• Threading on a lathe machine involves cutting threads on a workpie...read more
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Q6. 2s vs 4s engine
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2s and 4s engines refer to 2-stroke and 4-stroke engines, each with their own advantages and disadvantages.
• 2-stroke engines have a power stroke every revolution, making them more powerful but less fuel efficient.

• 4-stroke engines have a power stroke every other revolution, making them more fuel efficient but less powerful.

• 2-stroke engines are simpler in design and lighter, but tend to produce more emissions.

• 4-stroke eng...read more
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Normal question of apti and reasoing along with tech

Q1. Basic ques of how automation done
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Q2. And how assembly line works
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Assembly line is a manufacturing process where a product is assembled in a sequential manner by different workers or machines.
• Assembly line involves dividing the production process into smaller tasks

• Each worker or machine performs a specific task in a sequential manner

• The product moves from one station to another until it is completed

• Assembly line increases efficiency and reduces production time

• Examples include automob...read more
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Q1. Technical question based on your branch
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All basics of the mathematics

Basic of the Python, C language, HTML/CSS