Engineering Materials Quenching is not necessary when hardening is done by Nitriding Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The elastic stress strain behavior of rubber is Linear No fixed relationship Nonlinear Plastic Linear No fixed relationship Nonlinear Plastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Raises Lowers Does not effect None of these Raises Lowers Does not effect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Change grain size Any one of these Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Change grain size Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
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