VA Tech Wabag Principal Engineer Interview Questions and Answers

Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
Answered by AI
Add your answer

Q1. Explain challenge you faced in your last project
Add your answer

Q1. Salary expectations
Add your answer

MCQ based 50 marks 50 questions test.

Q1. Family background
Add your answer
Q2. Relocation issue
Add your answer
Q3. Why applied in Ramky
Add your answer

Q1. What are the basics and advanced concepts related to water and wastewater management? different techniques of water softening,ion exchange,reverse osmosis, chlorination,ozone
Add your answer
Q2. Can you describe the projects you have executed, the challenges you faced during those projects, and the ways you overcame those challenges? Please provide the names of a few projects and highlight any rem...read more
Ans. 
Led multiple engineering projects, overcoming challenges through innovative solutions and teamwork.
• Project A: Developed a scalable web application, faced performance issues, optimized database queries to enhance speed.

• Project B: Implemented a cloud migration strategy, encountered data security concerns, established robust encryption protocols.

• Project C: Designed an IoT system for smart homes, struggled with device inte...read more
Answered by AI
Add your answer
Q3. What was your role in your previous company, and which clients did you serve?
Add your answer
Q4. Are you comfortable with relocating and traveling for work?
Add your answer
Q5. How did you learn about our organization, and in what ways can you contribute to our team?
Ans. 
I discovered your organization through industry research and networking, and I can contribute with my expertise in software development and team leadership.
• I learned about your organization through LinkedIn, where I followed your projects and innovations in the tech space.

• I can contribute by leveraging my 8 years of experience in software engineering to enhance product development efficiency.

• My background in Agile meth...read more
Answered by AI
Add your answer
Q6. What are your goals for the next five years?
Ans. 
In the next five years, I aim to enhance my technical skills, lead projects, and contribute to innovative solutions in engineering.
• Develop expertise in emerging technologies, such as AI and machine learning, to stay ahead in the field.

• Lead cross-functional teams on major projects, ensuring timely delivery and high-quality outcomes.

• Mentor junior engineers, sharing knowledge and fostering a collaborative work environment...read more
Answered by AI
Add your answer

Q1. Basics of Water Treatment
Add your answer
Q2. Working Principle of DM Plant
Ans. 
DM Plant removes impurities like salts and minerals from water using ion exchange process.
• DM Plant stands for Demineralization Plant.

• It uses ion exchange process to remove impurities like salts and minerals from water.

• It consists of cation exchange resin and anion exchange resin columns.

• Cations and anions in water are exchanged with hydrogen and hydroxyl ions in the resins.

• The treated water is then passed through mixed...read more
Answered by AI
Add your answer

Q1. Concrete structure and water supply related
Add your answer

Q1. What are your salary expectations?
Add your answer
Q2. Share details of your previous job.
Add your answer
Q3. Where do you see yourself in 5 years?
Add your answer

Q1. What is real dom and virtual dom in react
Ans. 
Real DOM is the actual representation of the HTML structure, while Virtual DOM is a lightweight copy used for efficient updates.
• Real DOM is slower as it directly manipulates the HTML structure.

• Virtual DOM is faster as it updates the lightweight copy and then syncs with the real DOM.

• React uses the Virtual DOM to minimize unnecessary re-rendering of components.

• Virtual DOM allows for efficient batch updates, improving per...read more
Answered by AI
Add your answer