Exam 4: Brick, Tile, and Metal Properties and Uses

Terracotta means

To make terracotta porous, the following is mixed with clay before burning.

In case of round tiles, under-tiles are used with their narrow ends

For making stabilized soil brick the soil is stabilized with

Ribs are made on steel wires to increase

By calcining and smelting iron ores, a crude and impure form of iron obtained is known as

Which of the following statement is wrong?

Compressive strength of paving bricks should not be less than

The colour of cast iron is

Water absorption of vitrified tiles is not more than

Field test for strength of good bricks is to drop it from a height of ______ and they should not break

The bricks which may be used to build wall but to be provided with plaster are

The ore from which aluminium is extracted economically is

The minimum strength of brick required for building wall is

For making spiral staircases, ideal material is

The compressive and tensile strength of cast iron are

Maximum water absorption permitted on class AA type Mangalore tiles is

Non-ferrous Materials

Thickness of web of hollow bricks should not be less than

Purest form of iron is