BM - BRICK

In the composition of good bricks, the total content of silt and clay by weight should not be less than:

• 20%

• 30%

• 50%

• 75%

Nominal size of a modular brick is:

• 19 X 19X 9 cm

• 19X10X10 cm

• 20 X 9X 9 cm

• 20 X 10 X 10 cm

The commonly adopted nominal size of traditional brick is approximately:

• 23 cm X 11.4 cm X 7.6 cm

• 19 cm X 9 cm X 9 cm

• 20 cm X 10 cm X 10 cm

• 21 cm X 11.4 cm X 7.6 cm

Which constituent of good brick earth added in small quantity during the manufacturing of bricks, to give a yellow tint to bricks and decrease shrinkage?

• Magnesia

• Oxide of iron

• Silica

• Alumina

A small recess on the top surface of a brick, made while moulding, usually embossed with the initials of the contractor:

• Frog

• Drip

• Cowl

• Haunch

The number of compartments in Hoffman's Kiln is:

• 5

• 7

• 9

• 12

The average weight of a brick is (a)   .

• 1.5 to 2 kg

• 2 to 2.5 kg

• 2.5 to 3 kg

• 3 to 3.5 kg

The perfect binding of alumina and sand is happened during (a)   process of brick manufacturing.

• Preparation of clay

• Moulding

• Drying

• Burning

Any brick which is of the same uniform size as laid down by BIS is known as:

• Wire-cut bricks

• Modular bricks

• Non modular bricks

• Traditional bricks

Number of Brick required to test standard size of brick?

• 5

• 10

• 15

• 20