| Snaprecruit.com

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Interview question based on skill :

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Total Questions: 15

1. Carbon nano tubes are the sheets of graphite about ________

Correct Answer is : 0.4nm

2. Carbon nano tubes are also called as ________

Correct Answer is : Bucky tubes

3. Carbon nano tubes are first observed in _________

Correct Answer is : 1991

4. In how many methods the CNT can be prepared?

Correct Answer is : 4

5. The current used in the arc discharge method is about _________

Correct Answer is : 100mA

6. The carbon contained in the negative electrode sublimates.

Correct Answer is : TRUE

7. The yield of the laser ablation is ______________

Correct Answer is : 0.7

8. Laser ablation method is developed by _______

Correct Answer is : Richard Smalley

9. A water cooled surface is used in the process to collect __________

Correct Answer is : Nano tubes

10. To improve the composite of graphite _______ is used as catalyst.

Correct Answer is : CO and NI

11. Plasma torch method is used in the year ________

Correct Answer is : 2005

12. Plasma torch method is similar to the __________

Correct Answer is : Arc discharge

13. Plasma torch method is produces ______ of CNT per minute.

Correct Answer is : 2Gms

14. Chemical vapour decomposition is developed in an year ________

Correct Answer is : 2007

15. The substrate is heated to ________

Correct Answer is : 700C