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Building Materials

Building Materials
The moisture content in a well seasoned timber is

15 % to 20 %
4 % to 6 %
10 % to 12 %
100 %

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Building Materials
Shingle is

Water bound pebbles
Air weathered rock
Crushed granite
Decomposed laterite

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Building Materials
Excess of silica in brick earth results in

cracking and warping of bricks
enhancing the impermeability of bricks
loss of cohesion
None of these

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Building Materials
Asbestos cement

Strength is lowered when saturated by water
Is brittle
Warps due to changes in humidity
All of these

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Building Materials
The main constituent of cement which is responsible for initial setting of cement is

dicalcium silicate
All of these
tricalcium aluminate
tricalcium silicate

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Building Materials
Bulking of sand is caused due to

Clay contents
Surface moisture
Air voids
Viscosity

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MORE MCQ ON Building Materials

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