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Chemical Engineering Mcqs

Submitted By :Ali Uppal


Which of the following is not used as a bearing material ?

  • (A)  Copper-lead alloys
  • (B)  Babbitts
  • (C)  Bronzes
  • (D)  Cermets
Submitted By :Ali Uppal


Pick out the correct combination about the role of various additives used in polymers ?

  • (A)  Plasticiser: increases the polymer strength
  • (B)  Heat stabiliser: increases the maximum service temperature
  • (C)  Fillers: Does not affect the property of polymer but increases its weight
  • (D)  Lubricants: increases the flexibility of polymers
Submitted By :Ali Uppal


In multipass welds, shot peening is done after each pass to__________________?

  • (A)  Close the surface porosity
  • (B)  Break the continuity of columnar grains
  • (C)  Flatten the weldment
  • (D)  Introduce texture in the weld
Submitted By :Ali Uppal


Shampoos are commercially not available in the form of ___________________?

  • (A)  Powder
  • (B)  Gaseous mixture
  • (C)  Solution
  • (D)  Emulsion
Submitted By :Ali Uppal


Which of the following is an ore dressing operation ?

  • (A)  Classification
  • (B)  Smelting
  • (C)  Roasting
  • (D)  None of these
Submitted By :Ali Uppal


Submitted By :Ali Uppal


Normalising does not ______________________ of a metal ?

  • (A)  Improve machinability & tensile strength
  • (B)  Remove internal stresses
  • (C)  Refine the structure
  • (D)  Remove strains caused by cold working
Submitted By :Ali Uppal


Biological shield in a nuclear reactor is generally provided to protect against the__________________?

  • (A)  α-rays
  • (B)  β-rays
  • (C)  Gamma rays & neutrons
  • (D)  Electrons
Submitted By :Ali Uppal


Submitted By :Ali Uppal