Building Materials MCQ Question with Answer

Building Materials MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
Basalt is

Sedimentary rock
Metamorphic rock
Extrusive igneous rock
Intrusive igneous rock

Question No : 16
Pick up the correct statement from the following:

The baked earth is called terra-cotta
The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
All the above

Question No : 17
Sand stone is

Sedimentary rock
Metamorphic rock
Igneous rock
Volcanic rock

Question No : 18
Knots in timber are

Defects caused by crushing fibres
Splits radiating from the centre
Speckled strains
Signs of branches cut off

Question No : 19
Bitumen completely dissolves in

Carbon bisulphide
Coal tar
All of these

Question No : 20
For filling cracks in masonry structures, the type of bitumen used, is

Cut-back bitumen
Blown bitumen
Plastic bitumen

Question No : 21
Stones used for ornamental work must be