Kataria Automobiles Mechanical Technician Interview Questions and Answers

Q1. What is a capacitor ,is it active or passive
Ans. 
A capacitor is an electronic component that stores and releases electrical energy. It is a passive component.
• A capacitor consists of two conductive plates separated by an insulating material, known as a dielectric.

• When a voltage is applied across the plates, the capacitor stores electrical charge.

• Capacitors are commonly used in electronic circuits for various purposes, such as smoothing power supply voltages, filtering...read more
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Q2. State difference between electricity and electronics
Ans. 
Electricity is the flow of electrons while electronics deals with the control of the flow of electrons.
• Electricity is a natural phenomenon while electronics is a man-made technology.

• Electricity is the basic form of energy while electronics is a branch of science that deals with the study of electronic devices and their applications.

• Electricity is used to power electronic devices.

• Examples of electronic devices include c...read more
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General apti

Q1. 1. Domain specific basic technical Questions 2. Automotive design parameters 3. Type of tool utilisation & methods 4. Automotive standards & components selection criteria 5. Importance & functions of autom...read more
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Q1. Same as above. Basic technical knowledge mostly asked.
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Q1. Explain your role in your previous projects.
Ans. 
I was responsible for project planning, coordination, and execution to ensure successful completion.
• Led a team of developers to design and implement new features

• Collaborated with stakeholders to gather requirements and provide updates

• Managed project timelines and resources to meet deadlines

• Performed testing and quality assurance to deliver a high-quality product
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Q2. Why do you want to join EM
Ans. 
I want to join EM because of their innovative projects and strong company culture.
• Innovative projects: EM is known for pushing boundaries and creating cutting-edge solutions.

• Strong company culture: I value working in a supportive and collaborative environment.

• Career growth opportunities: I believe EM will provide me with the chance to learn and grow professionally.
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Round duration - 70 Minutes
Round difficulty - Medium

There were 5 people in the zoom meet, including me. Rest all 4 were interviewers, 3 from India and 1 from the United Kingdom.
They started with my introduction and then moved on to the questions from my resume, starting with my internship at Samsung Bangalore and then projects.
Then another interviewer asked about my weakness and strength. Then comes the turn of coding questions.
Starting with finding the minimum element in O(1) time, rotating the 2-D array by 90 degrees, OOPS questions were also asked like- polymorphism, abstraction, virtual class. Some OS questions were- cache, paging algorithms.
Then come my POR and other activities.

Q1. 
Kth Smallest Element Problem Statement
You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...read more
Ans. 
Find the K-th smallest element in an array of distinct integers.
• Sort the array and return the element at index K-1.

• Use a min-heap to find the K-th smallest element efficiently.

• Implement quickselect algorithm for optimal performance.
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Q2. 
Inplace Rotate Matrix 90 Degrees Anti-Clockwise
You are provided with a square matrix of non-negative integers of size 'N x N'. The task is to rotate this matrix by 90 degrees in an anti-clockwise directi...read more
Ans. 
Rotate a square matrix by 90 degrees anti-clockwise without using extra space.
• Iterate through each layer of the matrix from outer to inner layers

• Swap elements in groups of 4 to rotate the matrix in place

• Handle odd-sized matrices separately by adjusting the loop boundaries
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Q3. What are the page replacement algorithms in Operating Systems?
Ans. 
Page replacement algorithms are used in operating systems to decide which page to replace when a new page needs to be brought in.
• FIFO (First In, First Out) - replaces the oldest page in memory

• LRU (Least Recently Used) - replaces the page that has not been used for the longest time

• LFU (Least Frequently Used) - replaces the page that has been used the least number of times

• Optimal - replaces the page that will not be used
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