Building Materials MCQs

Question 1

According to ISI, bitumen is classified into

Accepted Answer

10 grades

Answer

2 grades

Answer

4 grades

Answer

8 grades

Question 2

Cast steel is manufactured by

Accepted Answer

Crucible process

Answer

Cementation process

Answer

Bessemer process

Answer

Open hearth process

Question 3

A good quality stone absorbs water less than

Accepted Answer

5%

Answer

10%

Answer

15%

Answer

25%

Question 4

A stone is rejected if it absorbs water more than

Accepted Answer

10%

Answer

5%

Answer

15%

Answer

20%

Question 5

For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is

Accepted Answer

80 : 13 : 7

Answer

70 : 20 : 10

Answer

60 : 35 : 5

Answer

None of these

Question 6

Sand stone is

Accepted Answer

Sedimentary rock

Answer

Metamorphic rock

Answer

Igneous rock

Answer

Volcanic rock

Question 7

Seasoning is

Accepted Answer

A process of removing sap

Answer

Creosoting

Answer

Painting with sodium silicate

Answer

Coating with tar

Question 8

The variety of pig iron used for the manufacture of steel by Bessemer process, is

Accepted Answer

Bessemer pig

Answer

Grey pig

Answer

White forge pig

Answer

Mottled pig

Question 9

Seasoning of timber is essential to remove

Accepted Answer

Sap from timber

Answer

Knots from timber

Answer

Twisted fibre from timber

Answer

Roughness of timber