M.Sc. Nano-Technology (Semester II) (CBCS)
Examination, 2017
CARBON AND NANOFORMS OF CARBON
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. Part-I, question 1 is compulsory.
Attempt any four questions from Part II
Figures to the right indicate full marks.
Answers to the Part I and Part II are to be written
In same answer booklet only.
PART I
Q.1 Rewrite the sentence after choosing correct answer from
the given alternatives:
07
Graphite archaically referred to as plumbago, is a form
of carbon.
Crystalline Semi crystalline
Amorphous Agglomerated
Carbon nanotubes are allotrope of carbon having
nanostructure.
Cylindrical Spherical
Cubic Tube type
Nanotubes are members of the structural family
Nanowire Nano cones
Fullerene Nanoring
Activated carbon, also called as activated
Charcoal Chocolate
Coal Coal tar
CVD is a chemical process used to produce high quality,
high-performance_____
Solid materials Liquid materials
Gas Semi solid materials
Pulsed laser deposition beam is focused inside a
chamber.
Vacuum Inert Air Gas
Diamond-like carbon is a class of material.
Crystal carbon Amorphous carbon
Semi crystal carbon Grapheme carbon
Page 1 of 2
Q.1 Define: 07
Diamond
Activated carbon
Carbon black
M WCNT.
Graphite.
Fibers.
CNF.
PART II
Answer any four of the following:
Q.2 What is active carbon fiber? Explain its structure and give the uses. 14
Q.3 Write the different forms of carbon and write a note on "Diamond like
carbon".
14
Q.4 What are carbon nanomaterials? Explain the different types of
carbon nanotubes.
14
Q.5 What is Arc discharge method? Explain the synthesis of carbon
nanomaterials by this method.
14
Q.6 Write notes on any two. 14
a. Pulsed laser deposition.
b. Diamond like carbon.
c. Structure of graphene.
Q.7 Explain in detail about any two. 14
a. Carbon dots.
b. Arc discharge.
c. Opening of Fullerene Cage.