Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth High ductility Elastic limit close to ultimate breaking strength High malleability Very high tensile strenth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Suppresses the decomposition of Fe₃ C Reduces its fluidity Increases the formation of graphite Increases the contraction of the metal Suppresses the decomposition of Fe₃ C Reduces its fluidity Increases the formation of graphite Increases the contraction of the metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a low melting point metal? Copper Tin Stainless steel Wrought iron Copper Tin Stainless steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a Tin base alloy Lead base alloy Pure metal White metal Tin base alloy Lead base alloy Pure metal White metal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS