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problem1) Materials with no systematic arrangement of atoms is known as:

a) Single crystal
b) Polycrystalline
c) Amorphous
d) None of the above

problem2) Arrhenius plot of (1/T) versus lnD, gives straight line where slope of the line gives

a) Flux
b) Concentration gradient
c) Activation energy
d) None of these

problem3) Fick’s first law of diffusion mustbe used in cases where

a) Steady state diffusion occurs
b) There is change in flux with distance
c) There is a change in concentration profile with distance
d) All of the above

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M93908

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