ISRO Interview Questions Contributed by Vipin updated on Aug 2020
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                                                    ISRO Interview Questions for ECE

ISRO, Indian Space Research organisation is one of the top six space organisation of the world along with NASA (USA) , RKA (RUSSIA) , ESA (Europe) ,CNSA (China) & JAXA from Japan. ISRO has covered long distance since its launch of first space satellite name Aryabhatta in 1975.

Some of Key questions being asked during interview at ISRO are as follows:

1. Tell me about yourself:

2. What do you know about this organization?

3. If you had enough money to retire right now, would you?

4. What would you like to be doing five years from now?

5. Describe your management style.

6. Describe your work ethic.

7. What is more important to you: the money or the work?

8. What has disappointed you about a job?

9. What kind of salary do you need?

10. Do you have any questions for me?

Technical Interview Questions:

1. What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

2. What is the need for modulation?

3. What is EDFA ?

4. What is meant by pre-emphasis and de-emphasis?

5. What is Race-around problem? How can you rectify it?

6. What is CMRR? Explain briefly.

7. Difference between FM and AM, which is preferred & its advantages. 

8. For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit?

9. Questions on signal processing techniques ? 

10. What is VOIP ?

11. On what principle do Transformers work ?

12. BPFSK is more efficient than BFSK in presence of noise. Why?

13. What is ZigBee and its specifications ?

14. Questions on different coding techniques ?

15. What is latest satellite from ISRO ?