Building Materials MCQs

Question 1

Which of the following ingredients of the brick earth enables the brick to retain its shape?

Accepted Answer

Silica

Answer

Alumina

Answer

Iron

Answer

Magnesia

Question 2

Strength of cement concrete primarily depends upon

Accepted Answer

Water-cement ratio

Answer

Quality of water

Answer

Quantity of aggregate

Answer

Quantity of cement

Question 3

Quick setting cement is produced by adding

Accepted Answer

Aluminium sulphate in very fine powdered form

Answer

Less amount of gypsum in very fine powdered form

Answer

More amount of gypsum in very fine powdered form

Answer

Pozzolana in very fine powdered form

Question 4

In order of increasing percentage of silica, the correct sequence is

Accepted Answer

Calcareous clay, pure clay, sandy clay

Answer

Sandy clay, calcareous clay, pure clay

Answer

Pure clay, sandy clay, calcareous clay

Answer

None of these

Question 5

The main ingredients of Portland cement are

Accepted Answer

Lime and silica

Answer

Lime and alumina

Answer

Silica and alumina

Answer

Lime and iron

Question 6

The pressure acting on the stones in stone masonry construction should be

Accepted Answer

Perpendicular to the direction of bedding planes

Answer

Along the direction of bedding planes

Answer

At 45° to the direction of bedding planes

Answer

At 60° to the direction of bedding planes

Question 7

Jumper is a tool used for

Accepted Answer

Quarrying of stones

Answer

Testing of stones

Answer

Dressing of stones

Answer

None of the above

Question 8

Durability of building stone is affected by its

Accepted Answer

All the above

Answer

Chemical composition

Answer

Texture

Answer

Resistance to atmosphere

Question 9

The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is

Accepted Answer

Less than 1

Answer

Equal to 1

Answer

Greater than 1

Answer

Less than 1 in beams but greater than 1 in channels