Engineering Materials Beryllium bronze contains 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Magnin Invar Elinvar Nichrome Magnin Invar Elinvar Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Relieve stresses Improve machining characteristic Soften material Harden steel slightly Relieve stresses Improve machining characteristic Soften material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C 600°C to 900°C 1400°C to 1530°C 400°C to 600°C 900°C to 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability 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 wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS