Question

The thickness of steel mould is usually ________

(a) 2 mm

(b) 6 mm

(c) 2 cm

(d) 6 cm

Answer 1

Correct answer is (b) 6 mm

To explain I would say: The thickness of steel mould is usually 6 mm. These are used to manufacture bricks on a large scale. They are prepared from steel plates and channels.