Materials and Construction
Presence of high amount of silicon in cast iron

Increases the formation of graphite
Increases the contraction of the metal
Reduces its fluidity
Suppresses the decomposition of Fe₃ C

ANSWER DOWNLOAD EXAMIANS APP

Materials and Construction
Mild steel is

Very poor in strength & ductility
Highly resistant to corrosion (as much as stainless steel)
A high carbon steel (0.5 to 1.5% carbon)
A low carbon steel (0.05 to 0.3% carbon)

ANSWER DOWNLOAD EXAMIANS APP