Top 150+ Solved Fundamentals of NanoScience MCQ Questions Answer
Q. For milling operations, what kind of environment is preferred?
a. acidic
b. basic
c. active
d. inert
Q. What kind of metals are used for milling operations?
a. soft and brittle
b. soft and elastic
c. hard and brittle
d. hard and elastic
Q. The following flow chart is for which method?
a. milling
b. attrition
c. pattering
d. microfabrication
Q. CVD stands for
a. carbon vapour density
b. chemical vapour density
c. chemical vapour deposition
d. carbon vapour deposition
Q. Where does colloidal solution find application in?
a. in milk industries
b. in chromatic chemical industries
c. in crystallography
d. in textiles
Q. During an experiment, accidently iodine got mixed up with a biological sample of proteins and polys. Identify the smallest colloid that can be obtained during the process of separation.
a. fats
b. amino acids
c. polys
d. r molecules
Q. Which of the following form of colloid is considered to be the strongest colloid?
a. gel
b. foam
c. solid sol
d. liquid sol
Q. Which of the following form of colloid is considered to be the lightest colloid?
a. gaseous foam
b. solid sol
c. sol
d. liquid sol
Q. What is called a dispersion phase?
a. it is the main layer
b. it is the secondary layer in which the colloidal particles are dispersed
c. it is the secondary layer
d. it is the basic colloidal layer
Q. What is called a dispersion medium?
a. it is where the dispersed phase settles
b. it is where the solute particles settle
c. it is where the dispersed phase is suspended
d. it is the primary medium
Q. Which of the following is not a technique for fabrication of glass fibers?
a. vapor phase oxidation method
b. direct melt method
c. lave ring method
d. chemical vapor deposition technique
Q. technique is method of preparing extremely pure optical glasses.
a. liquid phase (melting)
b. radio frequency induction
c. optical attenuation
d. vapor phase deposition (vpd)
Q. Which of the following materials is not used as a starting material in vapor-phase deposition technique?
a. sicl4
b. gecl4
c. o2
d. b2o3