Il&fs Energy Development Company Interview Questions and Answers

Q1. Puzzles were asked and one coding question was asked.
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Q2. Coding question was based on prime numbers.
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Q1. Introduction to yourself
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I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Recent graduate with a degree in Computer Science

• Passionate about coding and problem-solving

• Experience with programming languages such as Java, Python, and C++
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Q2. Why wanted to join this company
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I am passionate about the company's mission and values, and I believe my skills align well with the opportunities here.
• I admire the company's commitment to innovation and sustainability.

• I am impressed by the company's track record of success and growth.

• I have heard great things about the company culture and employee development programs.
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Detailed test with lots of questions

Q1. Lots of technical questions
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Q1. What are closed loop control system
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Closed loop control systems are feedback systems that continuously monitor and adjust the output based on the desired input.
• Closed loop control systems use feedback to maintain a desired output

• They continuously monitor the output and compare it to the desired input

• Based on the comparison, adjustments are made to maintain the desired output

• Examples include thermostat-controlled heating systems and cruise control in cars
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Q2. Details of Field instruments
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Q1. Brief discussion on c&i
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Q2. How you will handle the situations
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Q3. What are expecting from us
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Q1. Favourite product
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Q2. Things one like about the product
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Q3. Top problems with the product and solution
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Top problems with the product include slow loading times, frequent crashes, and lack of user-friendly interface.
• Slow loading times can frustrate users and lead to decreased usage of the product.

• Frequent crashes can result in loss of data and negative user experience.

• Lack of user-friendly interface can make it difficult for users to navigate the product and find desired features.
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Q1. Introduction and previous work ex
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Q1. What is MVP architecture?
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MVP architecture stands for Model-View-Presenter architecture, a design pattern that separates the presentation layer from the business logic.
• MVP divides the application into three components: Model (data), View (UI), and Presenter (logic).

• Model represents the data and business logic, View represents the UI, and Presenter acts as an intermediary that communicates between Model and View.

• MVP helps in achieving separation...read more
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Q2. How to structure a database for a amazon like application
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Use relational database with tables for users, products, orders, etc. Utilize indexes for fast querying.
• Create a table for users with columns like user_id, name, email, etc.

• Create a table for products with columns like product_id, name, price, etc.

• Create a table for orders with columns like order_id, user_id, product_id, quantity, etc.

• Utilize indexes on commonly queried columns like user_id, product_id for faster retri...read more
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Q1. System level design
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Q2. Network layer optimization
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Q1. Your name, qualification & why you want to join organisation
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Q1. I was hired for condition monitoring roll. It was basic questions with vibration analysis. You should know the basics and case study.
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