Engineering Materials Sulphur in steel Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility Acts as deoxidiser Decreases tensile strength and hardness Reduces the grain size Lowers the toughness and transverse ductility Acts as deoxidiser ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Shot peening Cold working Nitriding of surface Surface decarburisation Shot peening Cold working Nitriding of surface Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel-chrome steel Silicon steel Chrome steel Nickel steel Nickel-chrome steel Silicon steel Chrome steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Points of arrest for iron correspond to Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time There is nothing like points of arrest Stages at which allotropic forms change Stages at which properties do not change with increase in temperature Stages at which further heating does not increase temperature for some time There is nothing like points of arrest ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Vanadium Cobalt Nickel Molybdenum Vanadium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All nonferrous materials Cast iron All of these High speed steel All nonferrous materials Cast iron All of these High speed steel ANSWER DOWNLOAD EXAMIANS APP
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