Meenakshi Group Mechanical Engineer Interview Questions and Answers

Discussion on the changes in tecehnology

Test followed by the questions and scenario based questions

Q1. What are your expertise
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Q2. How could you contribute to our company
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Q1. Can you tell me about yourself?
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Q2. What motivates you to apply for this position?
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Q3. Do you have any questions for us?
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Q1. What is java why we use java
Ans. 
Java is a popular programming language known for its portability, security, and versatility.
• Java is used for developing a wide range of applications, from web applications to mobile apps.

• It is platform-independent, meaning it can run on any device that has a Java Virtual Machine (JVM).

• Java is known for its strong security features, making it a popular choice for enterprise applications.

• It is object-oriented, allowing f...read more
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Q2. Describe the java oops concept in detail
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Java OOPs concept focuses on creating objects that interact with each other to solve a problem.
• OOPs stands for Object-Oriented Programming

• Key concepts include classes, objects, inheritance, polymorphism, encapsulation

• Classes are blueprints for objects, objects are instances of classes

• Inheritance allows a class to inherit properties and behavior from another class

• Polymorphism allows objects of different classes to be tr...read more
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There were 2 DSA questions that we had to solve on HackerRank. One of them was a medium dynamic programming question - minimum insertions required to make a string palindrome. The other was a fairly easy question that required knowledge of permutations and combinations. We just had to figure out a maths formula given the situation.
1st round also involved a logical game that we had to play. We were scored based on coding + game and shortlisted for next round.

An interviewer joined me on zoom meet and sent a HackerRank link to a question. It was a medium dynamic programming/backtracking question. I solved it but only half the test cases ran while others threw TLE as my recursive code took exponential time.

Q1. Explain what happens after you search a url on your browser. (Had to explain the whole DNS working)
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Q2. Explain how video calling works. (Had to explain the whole OSI model)
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Q3. Asked possible causes of ClassNotFoundException and MemoryOutOfBoundException
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Q4. Asked 2 or 3 case study questions like designing a car infotainment system.
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Q5. Asked about the usefulness of OOPS.
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Q6. Asked how Java code compiles/runs(had to explain about creation of class file, JVM etc)
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Q7. Asked about working of https.
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Q1. Explain few challenges that you faced during a project/internship.
Ans. 
During my internship, I faced challenges related to communication, time management, and technical skills.
• Communication challenges: Difficulty in effectively conveying ideas and understanding instructions.

• Time management challenges: Struggling to prioritize tasks and meet deadlines.

• Technical skills challenges: Learning new technologies and troubleshooting issues.

• Example for communication challenge: Working in a team whe...read more
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Q2. Where do you see yourself in 5 years?
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In 5 years, I see myself as a Senior Engineer, leading a team and working on complex projects.
• I envision myself taking on more responsibilities and leading a team of engineers.

• I hope to have gained expertise in my field and be recognized as a subject matter expert.

• I aim to work on challenging projects that require problem-solving and innovation.

• I plan to continue learning and staying updated with the latest technologie...read more
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Q3. Explain a project that you did
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Developed a mobile app for tracking daily water intake
• Used React Native framework for cross-platform development

• Implemented a user-friendly interface with intuitive design

• Integrated a database to store and retrieve user data

• Implemented push notifications to remind users to drink water

• Conducted testing and debugging to ensure app functionality
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Q4. Tell me about a conflict that you may have faced during a project/internship
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During my internship, I faced a conflict regarding the allocation of resources for a project.
• Conflict arose when team members disagreed on the distribution of resources.

• I suggested a fair and balanced approach to allocate resources based on individual strengths and project requirements.

• We held a team meeting to discuss and resolve the conflict.

• Through open communication and compromise, we reached a consensus on resourc...read more
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Q1. Introducing myself, past experience and skills
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Q2. How will you contribute here now
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Questions related to array strings.

Q1. What is SQL? Mssql
Ans. 
SQL (Structured Query Language) is a standard language for managing and manipulating databases, including Microsoft SQL Server (MSSQL).
• SQL is used to retrieve and manipulate data in relational databases.

• MSSQL is a popular relational database management system that uses SQL.

• SQL queries are used to perform operations like selecting, updating, inserting, and deleting data.

• Example: SELECT * FROM table_name WHERE condition;
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