Indian Oil Corporation Engineering Intern Interview Questions and Answers

General aptitude and reasoning questions

Q1. What is educational background?
Ans. 
Bachelor's degree in Mechanical Engineering from ABC University
• Bachelor's degree in Mechanical Engineering

• Graduated from ABC University

• Courses in thermodynamics, fluid mechanics, and materials science

• Hands-on experience with CAD software
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Q2. What you are expecting?
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Q1. GTKY over call, asked basic technical concept
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Q2. Maintenance and Reliability basic questions Power platform basic questions
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Q1. Detail one on one interview
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Q2. Every topic mentioned on the resume was discussed in detail
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Q1. Manufacturing unit
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Q1. Various testings of transformer
Ans. 
Various testings of transformer
• Insulation resistance test

• Turns ratio test

• Winding resistance test

• Short circuit test

• Open circuit test
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Q2. Bearing replacement of Motors, Generator and Engine.
Ans. 
Bearing replacement is a common maintenance task for motors, generators, and engines.
• Bearing replacement is necessary when bearings wear out or fail due to excessive load, heat, or contamination.

• Proper diagnosis of bearing failure is crucial to determine the root cause and prevent future failures.

• Replacement bearings should be selected based on the specific application requirements, such as load capacity and operating ...read more
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Q3. Tappet setting of Engines
Ans. 
Tappet setting is the process of adjusting the clearance between the tappet and the valve stem in an engine.
• Tappet setting ensures proper valve operation and prevents damage to the engine.

• It involves measuring the clearance and adjusting it to the manufacturer's specifications.

• Tappet setting is typically done during engine assembly or as part of regular maintenance.

• Improper tappet setting can lead to valve noise, poor ...read more
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Q4. Various Maintenance techniques
Ans. 
Various maintenance techniques include preventive maintenance, predictive maintenance, and corrective maintenance.
• Preventive maintenance involves regularly scheduled inspections and maintenance to prevent equipment failure.

• Predictive maintenance uses data analysis and monitoring to predict when maintenance is needed.

• Corrective maintenance is performed after a failure has occurred to restore equipment to its normal oper...read more
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Q5. Manpower and Spare Management
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3 problems around arrays string manipulation

Q1. Explain your project in detail from frontend to backend
Ans. 
Developed a web application for online shopping with user authentication and payment integration.
• Frontend developed using React.js with responsive design for different screen sizes

• Backend built with Node.js and Express.js for handling API requests

• Database used MongoDB for storing product information and user data

• Implemented user authentication using JWT tokens

• Integrated payment gateway using Stripe API for secure trans
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A situation will be given and accordingly you'll have to write the mail

Q1. - a random topic will be given to talk, and after that general discussion will be done.
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Q2. Also there will be a reading test to check your accent and pronunciations
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