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Cotmac Electronics Senior Systems Engineer Interview Questions and Answers
1 interview found
Anonymous
I applied via Walk-in and was interviewed before Nov 2020.
3 Interview Rounds
Interview Questions
- Q1. Logic gates.
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- Q2. Transistor related theory.
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- Q3. Electrical connection, voltage, current theory.
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- Q4. Image processing, color mixing, primary colour, secondary color.
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- Q5. If experience candidate, PLC logic related questions, hardware related questions.
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Interview Preparation Tips
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CodingNinjas
I was interviewed before Mar 2021.
3 Interview Rounds
Face to Face Round (7 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round started with 1 coding question related to Prime Numbers in which I was first asked to explain my approach and then write the pseudo code for it. This was followed by some preety standard questions from OOPS and Java.
- Q1. Find Nth Prime You are given a number 'N'. Your task is to find Nth prime number. A prime number is a number greater than 1 that is not a product of two...read more View Answers (5)
- Q2. OOPS Question
Difference between Abstract class and Interface.
View Answers (1) - Q3. OOPS Question
What is Garbage collector in JAVA?
View Answers (1) - Q4. OOPS Question
What is meant by exception handling?
View Answers (1) - Q5. Java Question
How ConcurrentHashMap works in Java
View Answers (1) - Q6. Java Question
Explain the use of final keyword in variable, method and class.
View Answers (1) - Q7. Java Question
How would you differentiate between a String, StringBuffer, and a StringBuilder?
View Answers (1)
Face to Face Round (7 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
This round had 1 coding question related to LRU Cache where I had to code its implementation in a production-ready manner explaining my overall approach with proper complexity analysis. This was followed by some Mutithreading questions from Java and then at last the interviewer asked me some basic design patterns in Software Engineering and some more questions related to OOPS.
- Q1. LRU Cache Implementation Design and implement a data structure for Least Recently Used (LRU) cache to support the following operations: 1. get(key) - Return the...read more View Answers (3)
- Q2. Multithreading Question
What is the start() and run() method of Thread class?
View Answers (1) - Q3. Multithreading Question
What is BlockingQueue?
View Answers (1) - Q4. Multithreading Question
What is thread starvation?
View Answers (1) - Q5. Multithreading Question
What is Thread Scheduler and Time Slicing?
View Answers (1) - Q6. OOPS Question
Explain SOLID principles in Object Oriented Design .
View Answers (1) - Q7. Java Question
What makes a HashSet different from a TreeSet?
View Answers (1)
HR Round (2 Questions)
Round duration - 30 Minutes
Round difficulty - Easy
This is a cultural fitment testing round .HR was very frank and asked standard questions. Then we discussed about my role.
- Q1. Basic HR Question
Why should we hire you ?
View Answers (1) - Q2. Basic HR Question
Why are you looking for a job change?
View Answers (1)
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
2 Interview Rounds
One-on-one Round (2 Questions)
- Q1. Introduction of the candidate Add Answer
- Q2. Previous work experience Add Answer
Technical Round (2 Questions)
- Q1. Thorough questioning on experience Add Answer
- Q2. Experience of different building automation systems View Answers (2)
1 Interview Round
Technical Round (2 Questions)
- Q1. Do you have scripting knowledge View Answers (1)
- Q2. Can you tell how lvm works View Answers (1)
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed before May 2017.
4 Interview Rounds
Interview Questions
- Q1. 2 Developers in the panel. Last for almost 45 mins. 1. Automation test framework I worked on: Tool used Anatomy of framework Test Case flow Page Object Mode...read more
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- Q2. Team Lead in the panel. Last for almost 1.5 hrs. 1. Asked about any experience in languages like C++, C#, Java, Python, Perl etc along with comfort level. 2. As...read more
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- Q3. Senior Project Manager and HR Manager in the panel. Last for almost 2.5 hrs. 1. The current project you are working on with role and responsibility. 2. Domain k...read more
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Interview Preparation Tips
1. Be technically strong. Show all the required skills.
2. Present yourself to get fit in the current opening. Strengthen your answers with some real examples.
3. Be a bit diplomatic and take a pause (think critically) before answering the asked question.
4. Portray the ownership, rational thinking, problem-solving attitude.
5. The overall mindset should reflect the innovation, agent of new ideas, good team member with sustainability and positive attitude.
Skills: Communication, Body Language, Problem Solving, Analytical Skills, Leadership, Presentation Skills, Decision Making Skills
Duration: 1-4 weeks
2 Interview Rounds
Technical Round (2 Questions)
- Q1. Ask questions on what is written in CV Add Answer
- Q2. About the Degree final year project Add Answer
HR Round (2 Questions)
- Q1. Why are u looking for new opportunity Add Answer
- Q2. What is salary expectation Add Answer
I applied via Campus Placement and was interviewed in Aug 2024.
1 Interview Round
Aptitude Test Round
Profit loss percentage 50 mins
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed before Jun 2023.
2 Interview Rounds
Technical Round (1 Question)
- Q1. Subject questions related to work Add Answer
HR Round (1 Question)
- Q1. Preferred salary and notice period Add Answer
I applied via Referral and was interviewed in Dec 2023.
1 Interview Round
Technical Round (4 Questions)
- Q1. What are the types of AHU modes View Answers (2)
- Q2. Difference between Heatwheel and Energy wheel View Answers (1)
- Q3. What to we use in primary pump systems if we don't have bypass valve View Answers (1)
- Q4. Types of chiller operating mode View Answers (1)
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Dec 2022.
4 Interview Rounds
Aptitude Test Round
Logical questions and questions based on comprehensive passage
Technical Round (1 Question)
- Q1. Testing related question along with the language related question. Add Answer
Behavioral Round (1 Question)
- Q1. Logical reasoning question. Add Answer
HR Round (1 Question)
- Q1. What do you know about the company? View Answers (1)
Interview Preparation Tips
- Logical reasoning
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