Building Materials MCQ Question with Answer

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

Question No : 8
Asbestos

Is an excellent insulator for heat and electricity

Is fire-proof and acid proof

Has sp. gravity equal to 3.10

All the above

Question No : 9
Bitumen emulsion is

A liquid containing bitumen in suspension

A paint

Used as anti-corrosive paint

All the above

Question No : 10
Seasoning is

A process of removing sap

Creosoting

Painting with sodium silicate

Coating with tar

Question No : 11
The cement becomes unsound by the presence of excess

Sulphur

Magnesia

Lime

All of these

Question No : 12
For a good building stone, its specific gravity should the greater than

1.5

1.7

2.2

2.7

Question No : 13
The stone suitable for rubble masonry should be.

Hard

Tough

Heavy

Light

Question No : 14
Formula for quick lime, is

CaCO₃

Ca(OH)₂

CO₃CO₂

None to these