Engineering Materials Steel contains 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension Ability to recover its original form All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There are two critical points There is only one critical point There can be any number of critical points There is no critical point There are two critical points There is only one critical point There can be any number of critical points There is no critical point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chilled cast iron has A low percentage of graphite No graphite Graphite as its basic constituent of composition A very high percentage of graphite A low percentage of graphite No graphite Graphite as its basic constituent of composition A very high percentage of graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 710 57 1015 35 710 57 1015 35 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Generators and transformers in the form of laminated cores Motor car crankshafts Cutting tools Connecting rods Generators and transformers in the form of laminated cores Motor car crankshafts Cutting tools Connecting rods ANSWER DOWNLOAD EXAMIANS APP
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