Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material in which the atoms are arranged regularly in some directions but not in others, is called Amorphous material Crystalline material None of these Mesomorphous material Amorphous material Crystalline material None of these Mesomorphous material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Mild steel German silver Lead Graphite Mild steel German silver Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Fatigue Creep Hot hardness Hot tempering Fatigue Creep Hot hardness Hot tempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Below 1% Above 1% Above 2.2% Below 0.5% Below 1% Above 1% Above 2.2% ANSWER DOWNLOAD EXAMIANS APP