Engineering Materials Nickel in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Flywheel of steam engine Cycle chains Cast iron pipes Gas turbine blades Flywheel of steam engine Cycle chains Cast iron pipes Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Stainless steel Heat resisting steel High speed steel Nickel steel Stainless steel Heat resisting steel High speed steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The blade of a power saw is made of High speed steel Malleable cast iron Boron steel Stainless steel High speed steel Malleable cast iron Boron steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Reduced neutron absorption cross-section Embrittlement Improved Weldability Corrosion resistance Reduced neutron absorption cross-section Embrittlement Improved Weldability ANSWER DOWNLOAD EXAMIANS APP