Indian Institute of Technology (IIT), Chennai
Chennai, Tamil Nadu
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Indian Institute of Technology (IIT), Chennai Placement Interview Questions
Updated
4 Dec 2024
1.2k interviews found
I was interviewed in Sep 2017.
5 Interview Rounds
Interview Questions
- Q1. How do you implement the overlap-add method of convolution?
- Q2. Obtain the Nyquist criterion.
- Q3. Obtain the Nyquist sampling frequency for an unevenly distributed band-limited signal.
- Q4. How do you implement interpolation in discrete-time domain?
- Q5. How do you obtain the in-phase and quadrature components of a real pass-band signal?
- Q6. How many ways would one arrange sets of coloured balls, the first set all red, the next all blue, and the last all green, and all balls in a set are identical, ...read more
- Q7. How do you obtain the bit-rate for quantization of a band-limited signal?
- Q8. If you were offered an intern in Communications in Hyderabad, would you take it?
Interview Preparation Tips
Round: Test
Experience: Each section had 20 multiple choice questions and each section was allotted 30 minutes. The aptitude section was fairly difficult due to time constraints. The other two sections had several questions with unfamiliar concepts; however the other questions were easy.
Tips: Practice aptitude questions to increase speed in problem-solving.
Duration: 1 hour 30 minutes
Total Questions: 60
Round: Technical Interview
Experience: The first round was fairly short. The interviewer asked only three questions and I was able to answer all except for the overlap-add question. However I had the intuition to get to part of the answer.
Tips: Just brush up concepts in analog communications and DSP.
Round: Technical Interview
Experience: The second round was longer. The interviewer asked questions mostly in DSP and analog communications. I was able to answer all but one, which involved interpolation in discrete-time domain. The interviewer gave hints on how to get to the solution of the bit-rate and the interpolation question but I was able to answer only the former. The interviewer also asked if I did a course on Linear Algebra, and I affirmed it but I had no memory of it.
Tips: Just like in the first round, but expect more difficult questions.
Round: HR Interview
Experience: The HR interview was very short and the interviewer did not ask any of the typical HR questions except for if I were offered an internship in Communications, I would take it.
Tips: If you make it this far, you'll most likely make it. There is no need to prepare anything in advance.
College Name: IIT Madras
Experience: Each section had 20 multiple choice questions and each section was allotted 30 minutes. The aptitude section was fairly difficult due to time constraints. The other two sections had several questions with unfamiliar concepts; however the other questions were easy.
Tips: Practice aptitude questions to increase speed in problem-solving.
Duration: 1 hour 30 minutes
Total Questions: 60
Round: Technical Interview
Experience: The first round was fairly short. The interviewer asked only three questions and I was able to answer all except for the overlap-add question. However I had the intuition to get to part of the answer.
Tips: Just brush up concepts in analog communications and DSP.
Round: Technical Interview
Experience: The second round was longer. The interviewer asked questions mostly in DSP and analog communications. I was able to answer all but one, which involved interpolation in discrete-time domain. The interviewer gave hints on how to get to the solution of the bit-rate and the interpolation question but I was able to answer only the former. The interviewer also asked if I did a course on Linear Algebra, and I affirmed it but I had no memory of it.
Tips: Just like in the first round, but expect more difficult questions.
Round: HR Interview
Experience: The HR interview was very short and the interviewer did not ask any of the typical HR questions except for if I were offered an internship in Communications, I would take it.
Tips: If you make it this far, you'll most likely make it. There is no need to prepare anything in advance.
College Name: IIT Madras
I was interviewed in Aug 2017.
5 Interview Rounds
Interview Questions
- Q1. A transfer function H(Z) in the form of a/b was given. I was asked to implement the block diagram for the given transfer function.
- Q2. H(Z)=1/(1-Z^(-1)). Is the system with the given transfer function stable?
- Q3. What does Z^(-1) system represent? (Answer- It's a delay)
- Q4. What are IIR and FIR filters?
- Q5. State the sampling Theorem? Is it better to have a the sampling frequency slightly more than twice the bandwidth? Why?
- Q6. What is the difference between DTFT and DFT?
- Q7. A sequence x[n] was given. Find y[n] if H(Z)=1-Z^(-4)
- Q8. There is a gun in which 2 consecutive slots of the 6 slots are filled. One of the 6 slots is chosen at random and fired at you. It misses. Choose an option betw...read more
- Q9. Tell me something about yourself which is not there in the resume?
- Q10. What do your parents do?
Interview Preparation Tips
Round: Test
Experience: The test had 4 sections each having 20 questions with +1/-0.5 marking. The timing for each section was Analog: 45 minutes, Digital: 45 minutes Aptitude: 30 minutes and Signal Processing: 60 minutes. I was shortlisted for Signal Processing interview.
Tips: Course materials to be referred:
Analog- Analog Circuits
Digital- Digital Systems
Signal Processing- Signals and Systems, Digital signal Processing
Duration: 3 hours
Total Questions: 80
Round: Technical Interview
Experience: The interviewer was very friendly. He helped me out when I was doing a mistake by giving a small hint. He was seeing whether I could catch that hint or not. He asked me to explain the project(in brief) I mentioned in the resume since it was related to signal processing. The interview lasted for 30 minutes.
Tips: A)Your basics in Digital Signal Processing have to be strong because the questions asked in the interview are very basic.
B)Never talk rubbish if you don't know the answer. Don't hesitate to tell ''I don't know''.
Round: HR Interview
Experience: It was a short round. This round was just a formality as we were already selected by then.
Tips: Prepare structured answers for standard HR questions.
Skills: Digital Signal Processing - DSP
College Name: IIT Madras
Experience: The test had 4 sections each having 20 questions with +1/-0.5 marking. The timing for each section was Analog: 45 minutes, Digital: 45 minutes Aptitude: 30 minutes and Signal Processing: 60 minutes. I was shortlisted for Signal Processing interview.
Tips: Course materials to be referred:
Analog- Analog Circuits
Digital- Digital Systems
Signal Processing- Signals and Systems, Digital signal Processing
Duration: 3 hours
Total Questions: 80
Round: Technical Interview
Experience: The interviewer was very friendly. He helped me out when I was doing a mistake by giving a small hint. He was seeing whether I could catch that hint or not. He asked me to explain the project(in brief) I mentioned in the resume since it was related to signal processing. The interview lasted for 30 minutes.
Tips: A)Your basics in Digital Signal Processing have to be strong because the questions asked in the interview are very basic.
B)Never talk rubbish if you don't know the answer. Don't hesitate to tell ''I don't know''.
Round: HR Interview
Experience: It was a short round. This round was just a formality as we were already selected by then.
Tips: Prepare structured answers for standard HR questions.
Skills: Digital Signal Processing - DSP
College Name: IIT Madras
I applied via Campus Placement and was interviewed in Jan 2018.
5 Interview Rounds
Interview Questions
- Q1. I did not have to attend this round
Interview Preparation Tips
Round: Test
Experience: Software Competency Test for 3-4 hrs. One question on checking if a graph is bipartite. The solution must pass all 20 test cases and the number of submissions of limited to 10.
Round: Group Discussion
Experience: Technical group discussion for 30min.
The selected students were split into groups of 5 and a senior member from Samsung led the group. We were given a sheet of paper explaining the problem statement. We were given 5-10 min to come up with a solution. After that, we were asked to discuss our solution one by one.
Topic: Machine Learning
Problem: Recovering data from corrupted database
Consider a database of students in a college. The various fields in the database are roll no, name, gender, age and hobbies(hobby1, hobby2, hobby3
Experience: Software Competency Test for 3-4 hrs. One question on checking if a graph is bipartite. The solution must pass all 20 test cases and the number of submissions of limited to 10.
Round: Group Discussion
Experience: Technical group discussion for 30min.
The selected students were split into groups of 5 and a senior member from Samsung led the group. We were given a sheet of paper explaining the problem statement. We were given 5-10 min to come up with a solution. After that, we were asked to discuss our solution one by one.
Topic: Machine Learning
Problem: Recovering data from corrupted database
Consider a database of students in a college. The various fields in the database are roll no, name, gender, age and hobbies(hobby1, hobby2, hobby3
Aniruddha Kulkarni
posted on 20 Apr 2018
I applied via Campus Placement and was interviewed before Apr 2017.
5 Interview Rounds
Interview Questions
- Q1. 1. Tell me about yourself.
- Q2. 2. M. Tech Project presentation. - 15 Mins
- Q3. 3. What is heat exchanger? Mass balance and energy balance equation of for the heat exchanger ? How to design an heat exchanger ?
- Q4. 4. What is carnot cylce ? Derive the equation for the efficiency of carnot cycle.
- Q5. 5. What is I. C. Engine ? Otto Cycle ? Diesel Cycle?
- Q6. 6. What you have done in the B. Tech Project?
- Q7. Director (Refineries), Director(HR), Head(R&D), ICT Professor - BPCL Chair Person were there in the interview panel.
- Q8. Tell me about yourself.
- Q9. Question by Director(HR) - You are the youngest person in the candidates and if you got selected in BPCL R&D, you will be the youngest one in the R&D Centre and...read more
- Q10. Question by Director(Refinery) - What is your preference to work ? If R&D then why not in refinery.
- Q11. Tell us in brief about your M. Tech project.
- Q12. Tell us in brief about your B. Tech project
- Q13. What is bio-diesel ? and what is Lubricity properties of bio-diesel?
Interview Preparation Tips
Round: Resume Shortlist
Experience: Minimum CGPA Required - 7.5/10
BPCL R&D has given the detailed description about job profile in the notice. My M. Tech project work and job description is almost in line. So I have got the call for the interview.
General Tips: I had got very good experience while going through 2 interviews of BPCL R&D. Interviewer will check about your concepts and knowledge about the subject. I was last person to attend the interview in both the rounds. Please brush up your concepts and give brief presentation on the work you have done during your M. Tech and B. Tech project. All the best for your interview.
Skills: Communication, Body Language, Problem Solving, Analytical Skills, Leadership, Presentation Skills, Time Management, Decision Making Skills
Duration: 1-3 Months
College Name: IIT Madras
Experience: Minimum CGPA Required - 7.5/10
BPCL R&D has given the detailed description about job profile in the notice. My M. Tech project work and job description is almost in line. So I have got the call for the interview.
General Tips: I had got very good experience while going through 2 interviews of BPCL R&D. Interviewer will check about your concepts and knowledge about the subject. I was last person to attend the interview in both the rounds. Please brush up your concepts and give brief presentation on the work you have done during your M. Tech and B. Tech project. All the best for your interview.
Skills: Communication, Body Language, Problem Solving, Analytical Skills, Leadership, Presentation Skills, Time Management, Decision Making Skills
Duration: 1-3 Months
College Name: IIT Madras
2 Interview Rounds
Interview Preparation Tips
Round: Resume Shortlist
Experience: They shortlisted based on resume
College Name: IIT Madras
Experience: They shortlisted based on resume
College Name: IIT Madras
ISHA OMPRAKASH SINGH be15b011
posted on 28 Oct 2017
I was interviewed in Oct 2017.
4 Interview Rounds
Interview Questions
- Q1. Analysis of a business case
- Q2. Factors to take into consideration if you want to set up a grocery shop
- Q3. Find number of windows in Chicago
- Q4. Where do you see yourself in 5 years?
Interview Preparation Tips
Round: Group Discussion
Experience: Since there were 11 people, we were a chaotic bunch. The moderator alloted time for conclusion.
Tips: Be specific and confident about your points.
Round: Technical Interview
Experience: Since there were 11 people, we were a chaotic bunch. The moderator alloted time for conclusion.
Tips: Be specific and confident about your points.
Round: HR Interview
Experience: The resume was discussed, and I was given a guesstimate question to solve. We discussed my hobbies and my reason for applying.
Round: Technical Interview
Experience: Resume discussion, general HR questions
College Name: IIT Madras
Experience: Since there were 11 people, we were a chaotic bunch. The moderator alloted time for conclusion.
Tips: Be specific and confident about your points.
Round: Technical Interview
Experience: Since there were 11 people, we were a chaotic bunch. The moderator alloted time for conclusion.
Tips: Be specific and confident about your points.
Round: HR Interview
Experience: The resume was discussed, and I was given a guesstimate question to solve. We discussed my hobbies and my reason for applying.
Round: Technical Interview
Experience: Resume discussion, general HR questions
College Name: IIT Madras
2 Interview Rounds
Interview Preparation Tips
Round: Test
Experience: 20 Verbal , each 5 marks = 100 marks.
20 Quant each 5 marks = 100 marks
Both together for 45 min.
2 Programming each 50 marks = 100 marks & 75 min.
Exam was conducted on Co-Cubes platform.
In verbal few antonyms, arrangement of sentences, suitable words, sentence with same meaning and finally paragraph questions.
In Quant questions were based on general quant topics like profit and loss, simplifications, time and work , trains. There were few questions on LR which were quite easy.
In programming , one was on Dynamic Programming and the other one a bit tricky which includes no extra space and everything to be done in-place.
Q1) Given an array a[5] = {1,2,3,4,5} find out the total number of triplets such that they form the sides of a triangle . (Ex {3,4,5} Here 3+4 > 5 , 4+5 > 3 , 5+3 >4 )
Q2) Given a matrix with 1's and 0's. Modify it such that if a[i][j] == 1;
then make i'th row and j'th column all 1's.
Tips: Just finish programming and quant.
Duration: 2 hours 15 minutes
Total Questions: 42
College Name: IIT Madras
Experience: 20 Verbal , each 5 marks = 100 marks.
20 Quant each 5 marks = 100 marks
Both together for 45 min.
2 Programming each 50 marks = 100 marks & 75 min.
Exam was conducted on Co-Cubes platform.
In verbal few antonyms, arrangement of sentences, suitable words, sentence with same meaning and finally paragraph questions.
In Quant questions were based on general quant topics like profit and loss, simplifications, time and work , trains. There were few questions on LR which were quite easy.
In programming , one was on Dynamic Programming and the other one a bit tricky which includes no extra space and everything to be done in-place.
Q1) Given an array a[5] = {1,2,3,4,5} find out the total number of triplets such that they form the sides of a triangle . (Ex {3,4,5} Here 3+4 > 5 , 4+5 > 3 , 5+3 >4 )
Q2) Given a matrix with 1's and 0's. Modify it such that if a[i][j] == 1;
then make i'th row and j'th column all 1's.
Tips: Just finish programming and quant.
Duration: 2 hours 15 minutes
Total Questions: 42
College Name: IIT Madras
SRI RAMA BHADRA RAJU Balagopala
posted on 18 Sep 2017
I was interviewed in Sep 2017.
5 Interview Rounds
Interview Questions
- Q1. Tell me about yourself
Interview Preparation Tips
Round: Resume Shortlist
Experience: they did not care about CG,they gave offer even for low CG students.(happy news)
Tips: After getting shortlisted based on resume, we had interview. The interview revolved around resume , especially projects. they don't even look at PORs.
Round: Technical + HR Interview
Experience: they were friendly people,they just asked me" tell me about yourself" and few questions on projects i have done ,(coding profile) and they just asked me to explain a project i have done and they asked me few simple physics questions like how does center of gravity shift etc and later they asked me to find SFD and BMD for the given simply supported beam,thats it
Tips: Make your resume look good and strong . Do good projects and if possible a core intern in second year(not necessarily). Learning MATLAB, PYTHON,VISUAL BASIC would be an asset for coding profile Don't get panic(only simple tech qns based on the projects were asked).
Do well ,you can do it.
College Name: IIT Madras
Experience: they did not care about CG,they gave offer even for low CG students.(happy news)
Tips: After getting shortlisted based on resume, we had interview. The interview revolved around resume , especially projects. they don't even look at PORs.
Round: Technical + HR Interview
Experience: they were friendly people,they just asked me" tell me about yourself" and few questions on projects i have done ,(coding profile) and they just asked me to explain a project i have done and they asked me few simple physics questions like how does center of gravity shift etc and later they asked me to find SFD and BMD for the given simply supported beam,thats it
Tips: Make your resume look good and strong . Do good projects and if possible a core intern in second year(not necessarily). Learning MATLAB, PYTHON,VISUAL BASIC would be an asset for coding profile Don't get panic(only simple tech qns based on the projects were asked).
Do well ,you can do it.
College Name: IIT Madras
I was interviewed in Sep 2017.
5 Interview Rounds
Interview Questions
- Q1. Tell me about Yourself
- Q2. Explain about your projects and professional experience (if any)
Interview Preparation Tips
Round: Technical + HR Interview
Experience: After getting shortlisted based on resume, we had interview. The interview revolved around resume , especially projects. they don't even look at PoRs .
Tips: Make your resume strong . Do good projects and if possible a core intern in second year. If time permits learn MATLAB, PYTHON. Don't get panic(only simple tech qns based on the projects were asked). Be yourself .
College Name: IIT Madras
Experience: After getting shortlisted based on resume, we had interview. The interview revolved around resume , especially projects. they don't even look at PoRs .
Tips: Make your resume strong . Do good projects and if possible a core intern in second year. If time permits learn MATLAB, PYTHON. Don't get panic(only simple tech qns based on the projects were asked). Be yourself .
College Name: IIT Madras
I was interviewed in Sep 2017.
3 Interview Rounds
Interview Questions
- Q1. Find the sum of two numbers without using any mathematical operarors.
- Q2. Delete a node from linked list when we are given a reference to the node. But the head pointer is not given.
Interview Preparation Tips
Round: Technical Interview
Tips: Strong understanding and thorough knowledge of C programming.
College Name: IIT Madras
Tips: Strong understanding and thorough knowledge of C programming.
College Name: IIT Madras
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