Engineering Materials
Carbon steel is

Refined from cast iron
Made by adding carbon in steel
An alloy of iron and carbon with varying quantities of phosphorus and sulphur
Extensively used for making cutting tools

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Duralumin contains

3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium
3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium
5 to 6% tin, 2 to 3% copper and rest aluminium
4 to 4.5% magnesium, 3 to 4% copper and rest aluminium

ANSWER DOWNLOAD EXAMIANS APP