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Building Materials

Building Materials
Addition of pozzolana to ordinary Portland cement increases

Permeability
Bleeding
Shrinkage
Heat of hydration

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Building Materials
For one cubic metre of brick masonry, number of bricks required, is

500
425
400
450

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Building Materials
Oil varnish generally consists of

Synthetic resin and spirit
Spirit, oil and wax
Oil, wax and resin
Resin, oil and turpentine

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Building Materials
For obtaining vinyl chloride acetate, the method used, is

None of these
Co-polymerization
Addition polymerization
Condensation polymerization

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Building Materials
Pick up the compound responsible for early strength of cement from the following:

Tri-calcium aluminate
Di-calcium silicate
Tetra-calcium alumino-ferrite
Tri-calcium silicate

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Building Materials
Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength

(ii) and (iii)
(i) and (ii)
(i) and (iv)
(iii) and (iv)

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