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Nanomaterials Question & Answers

June 21, 2022 By WatElectronics

This article lists 75 Nanomaterials MCQs for Engineering Students. All the Nanomaterials Questions & Answers given below include solutions and links to the relevant topic. This is helpful for users who are preparing for their exams and interviews, or professionals who would like to brush up on the fundamentals of the Nanomaterials.

The word nano corresponds to 10^-9 of a unit that is one-billionth of a unit. The top-down approach and bottom-up approach are the two types of approaches that are used to reach the nanoscale. The nanostructure material may be quantum dots, nanoparticles, nanorods, nanofibers, nanotubes, and so on. 

When one dimension of the material is at least between one to hundred nanometers then that material is called a nanomaterial. The nanomaterials are divided into four classes they are 1-D, 2-D, 3-D, and 0-D dimensional that including quantum dots, nanoparticles, etc. 

The one-dimensional nanomaterials include nanotubes, nanorods, nanowires, etc. The two-dimensional nanomaterials include thin films, nanofilms, graphene nanosheets, etc. The three-dimensional nanomaterials include bundles of nanowires, bulk powders, nanoparticles, etc.  

The nanomaterials are of two types they are naturally occurring nanomaterials and manmade materials. The virus, sea spray, volcanos, etc are the naturally occurring nanomaterials, the cooking smoke, industrial effluents, etc are the incidental nanomaterials. The main disadvantage of nanomaterials is they are unstable and recycling is hard.  

1). Which one of the following materials cannot be seen by simple microscope?

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2). Which one of the following is an example for nanomaterial?

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3). The creating of nanoscale materials by chemically or physically breaking down the larger materials is known as ______________ approach in nanotechnology?

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4). Which of the following is an example for nanowires of metals?

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5). Which of the following is an example for nanowires of insulators?

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6). The polymeric nanoparticles come under _______________ dimensional nanomaterials?

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7). The bulk nanomaterials come under _______________ dimensional nanomaterials?

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8). Which one of the following neurotoxic effects comes under liposomes nanomaterial?

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9). What is the standard form of CNFs?

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10). Which one of the following is an example for top-down approach?

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11). The measurement range of electron microscopy is around _____________ meters?

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12). Which one of the following is an example for molecular nanowires?

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13). Which one of the following is an example for templates?

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14). The adsorption of molecules is high in _____________ materials?

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15). Which one of the following neurotoxic effects comes under quantum dots?

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16). The measurement range of dynamic light scattering is around _____________ meters?

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17). The spirals and springs come under ____________ dimensional nanomaterial?

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18). The CVD reactors are categorized into ________________ types?

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19). Which one of the following is an example for nanowires of semiconductors?

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20). Which one of the following is an example for bottom-up approach?

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Nanomaterials MCQs for Exams

21). What is the standard form of CNTs?

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22). Which one of the following neurotoxic effects comes under dendrimers type nanomaterial?

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23). The iron oxide nanoparticles come under _____________ dimensional nanomaterials?

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24). In which one of the following the number of constituting particles are from two to several thousand?

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25). The number of constituting particles are one for atom and many for molecules in _____________?

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26). What is the standard form of NOMFET?

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27). What are the uses of carbon nanotubes?

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28). How many layers does multi walled nanotubes consists of?

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29). How many tubes of graphite's does single walled nanotubes consists of?

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30). In which one of the following nanomaterial the quantum confinement occurs in two directions?

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31). Which one of the following neurotoxic effects comes under gold nanoparticles?

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32). The nano whiskers come under _____________ dimensional nanomaterials?

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33). The measurement range of centrifugal liquid sedimentation is around _____________ meters?

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34). Which one of the following is a type of electro spun nanofiber?

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35). Which one of the following neurotoxic effects comes under carbon nanotubes?

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36). The hybrid nanomaterials are categorized into ______________ types?

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37). Which one of the following comes under quantum dots?

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38). Which one of the following comes under three-dimensional nanomaterial?

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39). In which one of the following, the number of constituting particles are infinite?

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40). In which one of the following nanomaterial, the quantum confinement occurs in one direction?

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Nanomaterials MCQs for Quiz

41). What is the standard form of HNTs?

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42). Which one of the following, neurotoxic effects comes under silver nanoparticles?

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43). The polymeric nanofilms come under _____________ dimensional nanomaterials?

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44). Which one of the following comes under inorganic nanoparticles?

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45). The measurement range of small angle X-ray scattering is around _____________ meters?

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46). The sodium chloride is an example of _________________ materials?

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47). Which of the following are the crystal structure decides?

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48). In which one of the following material the electronic structure is continuous?

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49). Which one of the following comes under two-dimensional nanomaterial?

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50). In which one of the following nanomaterial the quantum confinement occurs in all three directions?

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51). Which one of the following neurotoxic effects comes under iron oxide nanoparticles?

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52). The metal nanoparticles and metal oxide-based nanoparticles are ______________ nanoparticles?

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53). The material with three or two or one external dimensions in the nanoscale is known as _____________?

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54). The nanotubes are categorized into ______________ types?

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55). Which one of the following neurotoxic effects comes under silica nanoparticles?

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56). The carbon nanotubes, graphene, and fullerenes are the ______________ based nanoparticles?

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57). The measurement range of particle tracking analysis method is around _____________ meters?

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58). Which one of the following is a type of hollow nanofiber?

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59). The nanoobject with all three external dimensions in the nanoscale is known as ______________?

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60). Which one of the following options comes under physical property of nanoparticle?

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Nanomaterials MCQs for Interviews

61). What is the standard form of NGPs?

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62). The size of the one-dimensional nanocrystals and clusters (quantum dots) is _____________ diameter?

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63). Which one of the following neurotoxic effects comes under titanium oxide nanoparticles?

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64). Which one of the following is an electrically conducting or semiconducting nanofiber?

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65). Which one of the following materials can be seen by simple microscope?

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66). Which one of the following is an example for bulk material?

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67). The assembling of nano materials atom by atom or molecule by molecule is known as __________ approach?

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68). The gold bar and silver bar are the examples of _________________ materials?

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69). The measurement range of atomic force microscopy method is around _____________ meters?

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70). Which one of the following options comes under mechanical property of nanoparticle?

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71). Which one of the following neurotoxic effects comes under polymeric nanoparticles?

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72). The NaCl and HCl are the examples of _________________ materials?

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73). The adsorption of molecules is low in _____________ materials?

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74). The absorption of molecules is fast in ________________ materials?

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75). The measurement range of x-ray diffraction method is around _____________ meters?

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