Describe any three properties of mortars, Other Engineering

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QUESTION 1

a) Describe any three properties of Mortars

b) Each combination of coarse and fine aggregates has a specific water demand for a given mix fluidity or slump. What are the two general guidelines?

c) Explain what are Polymer Concretes?

QUESTION 2

a) Comment on the Effects of Hygroscopic Properties of Wood

b) Give a brief description of the following terms-

  • Ductility
  • Residual Stresses
  • Strain Rate
  • Toughness

c) From the standpoint of building and their principal effects, explain the importance of the following alloying elements

  • Aluminium
  • Copper
  • Titanium

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