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Carbon interview questions
Carbon interview questions
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Total Questions: 15
1. Carbon nano tubes are the sheets of graphite about ________
A. 0.1nm
B. 0.2nm
C. 0.3nm
D. 0.4nm
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Correct Answer is :
0.4nm
2. Carbon nano tubes are also called as ________
A. Bucky tubes
B. Bulky tubes
C. Bulk tubes
D. Buck balls
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Correct Answer is :
Bucky tubes
3. Carbon nano tubes are first observed in _________
A. 1992
B. 1991
C. 1990
D. 1993
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Correct Answer is :
1991
4. In how many methods the CNT can be prepared?
A. 1
B. 2
C. 3
D. 4
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Correct Answer is :
4
5. The current used in the arc discharge method is about _________
A. 100mA
B. 200mA
C. 300mA
D. 400mA
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Correct Answer is :
100mA
6. The carbon contained in the negative electrode sublimates.
A. TRUE
B. FALSE
C.
D.
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Correct Answer is :
TRUE
7. The yield of the laser ablation is ______________
A. 0.3
B. 0.7
C. 0.8
D. 0.9
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Correct Answer is :
0.7
8. Laser ablation method is developed by _______
A. Kelvin
B. Richard Smalley
C. Watson and crick
D. Neils bohr
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Correct Answer is :
Richard Smalley
9. A water cooled surface is used in the process to collect __________
A. Nano particles
B. Nano tubes
C. Nano spheres
D. Nano sheets
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Correct Answer is :
Nano tubes
10. To improve the composite of graphite _______ is used as catalyst.
A. CO
B. NI
C. CO and NI
D. TIO
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Correct Answer is :
CO and NI
11. Plasma torch method is used in the year ________
A. 2005
B. 2004
C. 2002
D. 2001
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Correct Answer is :
2005
12. Plasma torch method is similar to the __________
A. Laser ablation
B. Arc discharge
C. Chemical vapour decomposition
D. Electrolysis
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Correct Answer is :
Arc discharge
13. Plasma torch method is produces ______ of CNT per minute.
A. 1Gms
B. 2Gms
C. 3Gms
D. 4Gms
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Correct Answer is :
2Gms
14. Chemical vapour decomposition is developed in an year ________
A. 2001
B. 2002
C. 2006
D. 2007
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Correct Answer is :
2007
15. The substrate is heated to ________
A. 200C
B. 300C
C. 400C
D. 700C
Show Correct Answer
Correct Answer is :
700C
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