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10+ Olam Agro India Interview Questions and Answers

Updated 6 Jul 2024

Q1. PROCUREMENT PROCEDURE (DIRECT/INDIRECT PURCHASE+PROJECT PURCHASE)

Ans.

Procurement procedure involves direct, indirect, and project purchases.

  • Direct purchase involves buying goods directly from suppliers.

  • Indirect purchase involves buying goods through a third party or distributor.

  • Project purchase involves procuring goods specifically for a project.

  • Procurement procedure includes identifying needs, selecting suppliers, negotiating contracts, and receiving goods.

  • Proper documentation and approval processes are essential in procurement.

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Q2. Why we use Vector group of Transformers

Ans.

Vector group of transformers is used to determine the phase difference and voltage ratio between primary and secondary windings.

  • Vector group helps in determining the correct connection of transformers in parallel.

  • It helps in identifying the phase angle difference between primary and secondary windings.

  • It helps in determining the voltage ratio between primary and secondary windings.

  • Vector group is important for power system stability and protection.

  • Examples of vector groups in...read more

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Q3. Details about Current transformer ?please explain previous plant process ? How do you protect your Transformer ? Please explain voltage drop in cables with example?

Ans.

Current transformers are used to measure current in high voltage circuits. Transformers are protected using fuses, circuit breakers, and surge arresters. Voltage drop in cables is caused by resistance and can be calculated using Ohm's Law.

  • Current transformers are used to step down current in high voltage circuits for measurement purposes.

  • Transformers are protected using fuses to prevent overcurrent situations.

  • Circuit breakers are used to disconnect the transformer from the ci...read more

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Q4. VENDOR DEVELOPMENT PROCEDURE

Ans.

Vendor development procedure involves identifying potential vendors, assessing their capabilities, and establishing relationships for long-term partnerships.

  • Identify potential vendors through market research and networking.

  • Assess vendor capabilities in terms of quality, cost, delivery, and service.

  • Establish relationships with vendors through regular communication and feedback.

  • Monitor vendor performance and provide support for continuous improvement.

  • Negotiate contracts and ter...read more

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Q5. IR value of Transformers and motor

Ans.

IR value is a measure of insulation resistance in transformers and motors.

  • IR value indicates the condition of insulation in transformers and motors.

  • It is measured in megaohms (MΩ) using a megger.

  • A high IR value indicates good insulation while a low value indicates poor insulation.

  • Regular testing of IR value is important to prevent breakdowns and ensure safety.

  • For example, a transformer with an IR value of less than 1 MΩ may need to be replaced.

  • Similarly, a motor with an IR va...read more

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Q6. 100 KVR capacitor design in 415.

Ans.

Designing a 100 KVR capacitor for 415 volts.

  • Calculate the required capacitance using the formula C = I / (2 * pi * f * V)

  • Select a suitable type of capacitor based on the application and voltage rating

  • Ensure proper installation and maintenance to prevent failure or damage

  • Consider safety precautions when working with high voltage capacitors

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Q7. Switchgear salection of 75Kw motor

Ans.

Switchgear selection for a 75 kW motor depends on various factors such as voltage, current, starting method, and protection requirements.

  • Consider the voltage and current rating of the motor

  • Choose the appropriate starting method such as DOL, star-delta, soft starter, or VFD

  • Select the switchgear with suitable protection features such as overload, short circuit, and earth fault protection

  • Ensure compatibility with the existing electrical system

  • Examples of switchgear include circu...read more

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Q8. What is specification of my plants and its standard.

Ans.

The specifications of your plants and its standards are determined by the industry regulations and guidelines.

  • Specifications of plants may include size, capacity, efficiency, and materials used

  • Standards may refer to industry certifications, quality control measures, and safety regulations

  • Examples: ISO 9001 certification for quality management, OSHA standards for workplace safety

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Q9. Reason behind previous plant leaving?

Ans.

The previous plant left due to financial difficulties and market changes.

  • Financial difficulties led to closure of previous plant

  • Market changes made it unsustainable to continue operations

  • Lack of profitability forced shutdown of previous plant

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Q10. What is uses of chemical engineering in plant's.

Ans.

Chemical engineering is used in plants for designing, operating, and optimizing processes to produce chemicals, fuels, and materials.

  • Designing processes for chemical reactions and separations

  • Optimizing production efficiency and quality

  • Developing new materials and products

  • Ensuring safety and environmental compliance

  • Troubleshooting process issues

  • Examples: designing a distillation column for separating components in a refinery, optimizing reaction conditions in a pharmaceutical ...read more

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Q11. Working flow diagram of my current plants and its problems

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