Question 1

The main purpose of CNTs in fuel cells is

Accepted Answer

A) production of energy 
B) active medium 
C) catalyst 
D) storage 
A) production of energy 
B) active medium 
C) catalyst 
D) storage D

Question 2

The properties like dispersibility, conductivity, etc changes on varying the

Accepted Answer

A) size 
B) composition 
C) surface properties 
D) none of the mentioned 
A) size 
B) composition 
C) surface properties 
D) none of the mentioned C

Question 3

The metallic tubes have which kind of structure?

Accepted Answer

A) armchair 
B) chiral 
C) boat 
D) achiral 
A) armchair 
B) chiral 
C) boat 
D) achiral A

Question 4

CNTs stands for

Accepted Answer

A) carbon nanotubes 
B) carbon nanotechnology 
C) carbon nanoscience and technology 
D) carbon nine technology 
A) carbon nanotubes 
B) carbon nanotechnology 
C) carbon nanoscience and technology 
D) carbon nine technology

Question 5

Identify the process.

Accepted Answer

A) synthesis of C60 
B) synthesis of cnts 
C) chemical vapour deposition 
D) carbon discharge 
A) synthesis of C60 
B) synthesis of cnts 
C) chemical vapour deposition 
D) carbon discharge

Question 6

Hollow tubes of very small dimensions are called as

Accepted Answer

A) mega tubes 
B) carbon nano tubes 
C) bucky ball clusters 
D) polymers 
A) mega tubes 
B) carbon nano tubes 
C) bucky ball clusters 
D) polymers

Question 7

The smallest bucky ball cluster is

Accepted Answer

A) c6 
B) c8 
C) c10 
D) c20 
A) c6 
B) c8 
C) c10 
D) c20

Question 8

Quantum confinement results in

Accepted Answer

A) energy gap in semiconductor is proportional to the inverse of the square root of the size 
B) energy gap in semiconductor is proportional to the inverse of the size 
C) energy gap in semiconductor is proportional to the square of size 
D) energy gap in semiconductor is proportional to the inverse of the square of size 
A) energy gap in semiconductor is proportional to the inverse of the square root of the size 
B) energy gap in semiconductor is proportional to the inverse of the size 
C) energy gap in semiconductor is proportional to the square of size 
D) energy gap in semiconductor is proportional to the inverse of the square of size

Question 9

Carbon nanotubes display magnetoresistance at low temperature.

Accepted Answer

A) True 
 B)False

Question 10

The fullerenes are composed with

Accepted Answer

A) graphene sheets 
B) graphite 
C) lead 
D) other carbon materials 
A) graphene sheets 
B) graphite 
C) lead 
D) other carbon materials

Question 11

Select the incorrect statement from the following options.

Accepted Answer

A) self-assembly is a top-down manufacturing technique 
B) in self-assembly, weak interactions play very important role 
C) self-assembling molecules adopt an organised structure which is thermodynamically more stable than the single, unassembled components 
D) compared to the isolated components, the self-assembled structure has a higher order 
A) self-assembly is a top-down manufacturing technique 
B) in self-assembly, weak interactions play very important role 
C) self-assembling molecules adopt an organised structure which is thermodynamically more stable than the single, unassembled components 
D) compared to the isolated components, the self-assembled structure has a higher order

Question 12

Which of the following is an example of bottom-up approach for the preparation of nanomaterials?

Accepted Answer

A) etching 
B) dip pen nano-lithography 
C) lithography 
D) erosion 
A) etching 
B) dip pen nano-lithography 
C) lithography 
D) erosion

Question 13

Which of the following is the application of nanotechnology to food science and technology?

Accepted Answer

A) agriculture 
B) food safety and biosecurity 
C) product development 
D) all of the mentioned 
A) agriculture 
B) food safety and biosecurity 
C) product development 
D) all of the mentioned

Question 14

The figure shows a FET using CNT. Identify CNT.

Accepted Answer

A) bucky balls 
B) soccer balls 
C) cricket balls 
D) tennis balls 
A) bucky balls 
B) soccer balls 
C) cricket balls 
D) tennis balls

Question 15

What are the advantages of nano-composite packages?

Accepted Answer

A) lighter and biodegradable 
B) enhanced thermal stability, conductivity and mechanical strength 
C) gas barrier properties 
D) all of the mentioned 
A) lighter and biodegradable 
B) enhanced thermal stability, conductivity and mechanical strength 
C) gas barrier properties 
D) all of the mentioned

Question 16

C60 is soluble in

Accepted Answer

A) water 
B) ammonia 
C) hcl 
D) benzene 
A) water 
B) ammonia 
C) hcl 
D) benzene

Question 17

Which of the following is the principal factor which causes the properties of nanomaterials to differ significantly from other materials?

Accepted Answer

A) size distribution 
B) specific surface feature 
C) quantum size effects 
D) all of the mentioned 
A) size distribution 
B) specific surface feature 
C) quantum size effects 
D) all of the mentioned

Question 18

The properties like melting point, solubility, color, etc changes on varying the

Accepted Answer

A) size 
B) composition 
C) surface properties 
D) none of the mentioned 
A) size 
B) composition 
C) surface properties 
D) none of the mentioned

Question 19

The efficiency of today's best solar cell is about

Accepted Answer

A) 15-20% 
B) 40% 
C) 50% 
D) 75% 
A) 15-20% 
B) 40% 
C) 50% 
D) 75%

Question 20

CNTs are capped on both ends with which carbon nanostructure?

Accepted Answer

A) graphite 
B) diamond 
C) c60 
D) benzene 
A) graphite 
B) diamond 
C) c60 
D) benzene

The main purpose of CNTs in fuel cells is

The properties like dispersibility, conductivity, etc changes on varying the

The metallic tubes have which kind of structure?

CNTs stands for

Identify the process.

Hollow tubes of very small dimensions are called as

The smallest bucky ball cluster is

Quantum confinement results in

Carbon nanotubes display magnetoresistance at low temperature.

The fullerenes are composed with

Select the incorrect statement from the following options.

Which of the following is an example of bottom-up approach for the preparation of nanomaterials?

Which of the following is the application of nanotechnology to food science and technology?

The figure shows a FET using CNT. Identify CNT.

What are the advantages of nano-composite packages?

C₆₀ is soluble in

Which of the following is the principal factor which causes the properties of nanomaterials to differ significantly from other materials?

The properties like melting point, solubility, color, etc changes on varying the

The efficiency of today's best solar cell is about

CNTs are capped on both ends with which carbon nanostructure?

Nano Materials and Their Properties

Fabrication, Machining and Colloidal Routes

Colloids, Fiber Fabrication, Thin Film Technology, and Electroplating

Carbon Nanostructures and Applications

Carbon Nanotubes and Graphite

Nano Materials and Crystallography Techniques

Electron Microscopy, Surface Analysis, and Transdermal Drug Delivery

Monolithic and Reservoir Devices, Wireless Services, Solar Cells, and Electrical Engineering Terms

Filters

Exam 4: Nanotechnology and Surface Mount Technology: Properties, Preparation, and Applications

The main purpose of CNTs in fuel cells is

The properties like dispersibility, conductivity, etc changes on varying the

The metallic tubes have which kind of structure?

CNTs stands for

Identify the process.

Hollow tubes of very small dimensions are called as

The smallest bucky ball cluster is

Quantum confinement results in

Carbon nanotubes display magnetoresistance at low temperature.

The fullerenes are composed with

Select the incorrect statement from the following options.

Which of the following is an example of bottom-up approach for the preparation of nanomaterials?

Which of the following is the application of nanotechnology to food science and technology?

The figure shows a FET using CNT. Identify CNT.

What are the advantages of nano-composite packages?

C60 is soluble in

Which of the following is the principal factor which causes the properties of nanomaterials to differ significantly from other materials?

The properties like melting point, solubility, color, etc changes on varying the

The efficiency of today's best solar cell is about

CNTs are capped on both ends with which carbon nanostructure?

Nano Materials and Their Properties

Fabrication, Machining and Colloidal Routes

Colloids, Fiber Fabrication, Thin Film Technology, and Electroplating

Carbon Nanostructures and Applications

Carbon Nanotubes and Graphite

Nano Materials and Crystallography Techniques

Electron Microscopy, Surface Analysis, and Transdermal Drug Delivery

Monolithic and Reservoir Devices, Wireless Services, Solar Cells, and Electrical Engineering Terms

Filters

C₆₀ is soluble in