Engineering Materials
Carbon steel is

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

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Y-alloy contains

5 to 6% tin, 2 to 3% copper 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
4 to 4.5% magnesium, 3 to 4% copper and rest aluminium
3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium

ANSWER DOWNLOAD EXAMIANS APP