Essar Uk Services Engineer Trainee Interview Questions and Answers

Arrays and string questions in any programming language

Q1. Introduce about your self
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Q2. Why do I hire you
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You should hire me because of my strong technical skills, passion for learning, and ability to work well in a team.
• I have a solid foundation in engineering principles and relevant technical skills.

• I am a quick learner and always eager to expand my knowledge and skills.

• I have a proven track record of successfully collaborating with team members to achieve common goals.
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Q1. Why did u choose tcs
Ans. 
I chose TCS because of its reputation for innovation, global presence, and opportunities for career growth.
• TCS is known for its cutting-edge technology solutions and innovative projects.

• The company has a strong global presence with offices in multiple countries, providing opportunities for international exposure.

• TCS offers a structured career development path with training programs and opportunities for advancement.

• I w...read more
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Q2. Why do you want technical Job
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Q1. What is multithreading
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Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for better performance and resource utilization.
• Multithreading allows multiple threads to run concurrently within the same process.

• Each thread has its own stack and program counter, but shares the same memory space.

• Multithreading can improve performance by utilizing multiple CPU cores efficiently.

• Examples of multithreading include...read more
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Q2. What is hash map
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A hash map is a data structure that stores key-value pairs and allows for efficient retrieval of values based on keys.
• Hash maps use a hash function to map keys to indexes in an array, allowing for constant time retrieval of values.

• Collisions can occur when multiple keys hash to the same index, which can be resolved using techniques like chaining or open addressing.

• Example: HashMap map = new HashMap<>()
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Basic quants and reasoning

Simple array and string questions.

Q1. What is Operating System?
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources such as CPU, memory, and storage

• Provides a user interface for interacting with the computer

• Supports running applications and managing processes

• Examples include Windows, macOS, Linux, iOS, Android
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Q2. List 5 Git commands?
Ans. 
Git commands are used to interact with the version control system. Here are 5 commonly used commands.
• git clone : Clone a repository from a remote server to your local machine.

• git add : Add a file to the staging area before committing changes.

• git commit -m 'commit message': Commit the changes in the staging area with a descriptive message.

• git push: Push the committed changes to a remote repository.

• git pull: Fetch and me...read more
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Aptitude round consisted of general aptitude questions. They were easy to moderate.

Q1. Write a code to implement polymorphism.
Ans. 
Polymorphism in programming allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism can be achieved in programming languages like Java through method overriding and method overloading.

• Example: In Java, a superclass Animal can have a method 'makeSound()' which is overridden in subclasses like Dog and Cat.

• Example: Method overloading in Java allows multiple methods with the same na
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Q2. Date builtin function in sql
Ans. 
The DATE function in SQL is used to retrieve the current date.
• The DATE function returns the current date in the format 'YYYY-MM-DD'.

• It does not require any parameters to be passed.

• Example: SELECT DATE();
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First round was aptitude round

Q1. Give an introduction
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Q2. Discuss about your project
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Q1. Give an introduction including your family details
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Q2. What is your responsibility as a team member?
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Python duration was 1 hour

Q1. What is the process to run a python program
Ans. 
To run a Python program, you need to write the code in a .py file, open a terminal or command prompt, navigate to the file's directory, and then run the program using the 'python' command.
• Write the Python code in a .py file using a text editor or an IDE

• Open a terminal or command prompt on your computer

• Navigate to the directory where the .py file is located using the 'cd' command

• Run the Python program by typing 'python ...read more
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The question are very normal

Q1. Why should we hire your
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Q2. Where you seen your after 5 year
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Q1. Self intro and projects
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Q2. Few questions based on resume
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