Question 1

It imparts plasticity to brick earth

Accepted Answer

Alumina

Answer

Silica

Answer

Lime

Answer

Magnesia

Question 2

Which of the following is a constituent of good brick earth

Accepted Answer

Oxide of Iron

Answer

None of these

Answer

Iron pyrites

Answer

Alkalis

Question 3

The bricks prepared by dipping moulds in water every time is known as

Accepted Answer

Slop moulded brick

Answer

Wire cut bricks

Answer

Pressed brick

Answer

Sand moulded brick

Question 4

The bricks prepared by sprinkling sand or ash on inside surface of the mould is known as

Accepted Answer

Sand moulded brick

Answer

Wires cut bricks

Answer

Slope moulded brick

Answer

none of these

Question 5

Hollow bricks are also called

Accepted Answer

Both Cavity bricks   and Cellular bricks

Answer

Cavity bricks

Answer

Cellular bricks

Answer

Channel bricks

Question 6

Minimum crushing strength of bricks as per BIS is

Accepted Answer

3.5N/mm2

Answer

10.5N mm2

Answer

8.N/ mm2

Answer

7N/mm2

Question 7

Paving bricks are prepared from clay containing higher percentage of

Accepted Answer

Iron oxide

Answer

Alumina

Answer

All of these

Answer

Silica

Question 8

Which of the following constituent provides red colour to brick

Accepted Answer

Iron oxide

Answer

None of these

Answer

Alumina

Answer

Magnesia

Question 9

The process of grinding clay with water and making it plastic is known as

Accepted Answer

Pugging

Answer

Weathering

Answer

Blending

Answer

Moulding

Question 10

The bricks used for lining of furnaces are

Accepted Answer

Refractory brick

Answer

Hollow brick

Answer

Wire cut brick

Answer

First class brick

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