Engineering Materials Depth of hardness of steel is increased by addition of Vanadium Nickel Tungsten Chromium Vanadium Nickel Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It melts at 1535°C It is very soft and ductile It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Fracture due to high impact loads Deformation under stress Externally applied forces with breakdown or yielding None of these Fracture due to high impact loads Deformation under stress Externally applied forces with breakdown or yielding None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression Ability to recover its original form All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is the binding material in cemented carbides? Nickel Iron Vanadium Cobalt Nickel Iron Vanadium Cobalt ANSWER DOWNLOAD EXAMIANS APP
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