UPSC Interview Transcript of Karthik Uppu (IRTS)

UPSC Interview Transcript of Karthik Uppu (IRTS)

I attended the UPSC ESE interview twice, these are the questions asked to me. I also gave a brief background of mine for the viewers to get an idea as to why those questions were asked to ne by the panel.

UPSC ESE 2014 interview. I scored 124/130 in my interview. Final result- Not recommended.

Background:-

B.Tech (ECE), Masters (IIT Madras), Specialization- Microelectronics & VLSI.

JOB - Lecturer, RGUKT BASAR, TELANGANA

Subjects Teaching : Microwave, VLSI Technology

Time :27 Jan 2015, 2:45 pm to 3:10 pm

Chairman: Prof. H.C.Gupta, IIT Delhi(Physics Department)

1. Why not IAS, as most of iitians now a days prefer IAS. (attender enters the room to serve coffee to panel members)
2. If I place this cup with coffee in a oven, Why will liquid heat or the cup heat.
3. Why will the cup not heat.
4. What about a cup made of Iron/Steel

MEMBER 1

1. Do you know what is a CMOS
2. Can you draw a CMOS inverter
3. What is the energy deliverd to the load in CMOS if input is zero.
4. what about the transistor?? Is it resistor or capacitor?
5. Can you draw the plot for energy and power in a capacitor for sinusoidal voltage
6. What is meant by technology node
7. What happens when we change the aspect ratio in CMOS
8. If we increase aspect ratio will current or decrease
9. How does the threshold voltage change with aspect ratio

MEMBER 2

1. Design a terrestrial link between Delhi and kanpur distance 500 kms, how many repeaters do I need
2. I want to reduce the number of repeaters what should I do.
3. What are the losses in a satellite communication
4. What is fading.
5. Is fading present in satellite communication
6. Will fading occur in a LOS communication.

Member 3:

No questions.

UPSC ESE 2016 interview. I scored 130/200 in my interview. Final result- AIR 17.

Most of the questions are based on Work profile, Subjects mentioned in DAF, Current affairs related to Telecom, Railways and VLSI technology.

Job: Applications Engineer, Applied Materials. Samsung was one of our customer and I was working in Samsung R&D, Korea for few months.

Hobbies: Watching Movies

Chairman : Shri. Vinay Mittal, Ex- Chairman, Railway Board.

1. What was the issue with Samsung galaxy note 7? Why did it occur?

2. What is call drop ? How can we reduce it

3. Reasons for delay in railways? How do you improve the capacity in railway networks?

4. Your hobby is watching movie. Can you tell me what is meant by 24 frames in movie terminology. What happens if we have higher frames. What is lower limit for frames?

5. How is digital technology/ electronics used in cinemas? What are its advantages and future of cinemas ?

6. How 3D technology works? Why did 3d tv fail ?

Member 1:

1. What is meant by technology node? What is current technology node

2. What is Finfet ? What is current technology being used?

3. What is the difference between mask and reticle?

4. What is the scenario for semiconductor fabrication in India?

5. What should government do in your opinion to improve the situation?

6. What companies in India are working on VLSI technology?

Member 2:

1. What is QAM?

2. What is Preemphasis and Deemphasis? What are its advantages and disadvantages?

3. Where is NBFM? Where is it used? Why is it having limited use?

4. Did you hear about OQPSK? Why is it used?

5. What is the modulation used in GSM? how to generate it? What are its advantages

6. Explain how VoLTE technology works? How will you connect from LTE to Non-LTE subscriber?

Member 3:

1. What subjects did u teach ?

2. Frequency range of microwaves? Why are they called microwaves

3. How do you measure frequency of a microwave?

4. How do you measure unknown impedance ? How can you identify whether Reactive/Resistive

5. What is discone antenna where is it used.

6. Design an antenna system of 10 km to ensure communication when an obstacle of height 23m at the middle. Take freq 2.5 GHz.