Kennametal Quality Assurance Engineer Trainee Interview Questions and Answers

Quant , Logical REASONING , Java

Q1. Why should we hire you?
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Q2. What is your family background?
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Q3. Tell me about yourself.
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30min and ask one coding question

30min and ask 2 coding question

Q1. Can you explain the difference between a stack and a queue and provide a real-world example where each would be used.
Ans. 
A stack is a Last In First Out (LIFO) data structure, while a queue is a First In First Out (FIFO) data structure.
• Stack: LIFO - Last In First Out. Example: browser history where the last page visited is the first to be accessed.

• Queue: FIFO - First In First Out. Example: a line at a grocery store where the first person in line is the first to be served.
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Q2. Given an array of integers, write a function to find the two numbers that add up to a specific target. How would you optimize this solution?
Ans. 
Function to find two numbers in array that add up to target. Optimize solution.
• Use a hash map to store each number and its index as you iterate through the array.

• For each number, check if the difference between the target and the number exists in the hash map.

• Return the indices of the two numbers that add up to the target.
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Q1. First round was mostly basics of angular and JavaScript
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Q1. This round was more focused of in depth of JavaScript and angular
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Q1. Managerial round for 1.5 hrs with non stop situational based questions
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Q1. Normal HR related questions
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Pure technical ... Will happen for at least an hour with 2 members panel

Q1. TSI round(behavioural) ... These will be taken by 3 managers and 2 of them should be satisfied Ex: What you do if you have conflicts with your immediate team lead?
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Q2. What is the most challenging task you faced ? And why it was challenging?
Ans. 
Migrating a legacy system to a new technology stack.
• Understanding the existing system architecture and functionality.

• Identifying the gaps and limitations of the legacy system.

• Researching and selecting the appropriate technology stack for the migration.

• Ensuring data integrity and compatibility during the migration process.

• Testing and debugging the migrated system to ensure it functions correctly.

• Training and supporting
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Q1. Why are you leaving previous company.
Ans. 
Seeking new challenges and growth opportunities.
• Looking for a company that aligns better with my career goals.

• Seeking a more collaborative and innovative work environment.

• Desire to work on cutting-edge technologies and projects.

• Exploring new industries or domains to broaden my skillset.

• Relocation or commute reasons.

• Company downsizing or restructuring.

• Personal reasons or career change.
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Q2. What is your strength
Ans. 
My strength is problem-solving and analytical thinking.
• I have a strong ability to analyze complex problems and break them down into manageable tasks.

• I am skilled at identifying patterns and finding efficient solutions.

• I have experience in using various programming languages and tools to solve problems.

• I am a quick learner and adapt well to new technologies and frameworks.

• I have a track record of successfully delivering
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Fibonacci, Series of numbers

Q1. Spring, AWS, projects
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Q1. Salary discussion
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