Materials and Construction Which of the following is produced by addition polymerisation? Phenol formaldehyde Dacron Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron Polybutadiene Urea-formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion involves exchange of electrons in __________ corrosion. Electrochemical Both A & B Chemical Neither A nor B Electrochemical Both A & B Chemical Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Hardenability Both B & C Wear resistance Toughness Hardenability Both B & C Wear resistance Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Annealing None of these Normalising Tempering Annealing None of these Normalising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility Highly resistant to corrosion (as much as stainless steel) A low carbon steel (0.05 to 0.3% carbon) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 75 0.5 40 2 75 0.5 40 ANSWER DOWNLOAD EXAMIANS APP