Engineering Materials Dow metal contains 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is C.C. F.C.C. Orthorhombic crystalline structure H.C.P. C.C. F.C.C. Orthorhombic crystalline structure H.C.P. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Hardening and cold working Normalizing Martempering Full annealing Hardening and cold working Normalizing Martempering Full annealing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Resilience Stiffness Ductility Plasticity Resilience Stiffness Ductility Plasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are The points where no further change occurs Constant for all metals The points where there is no further flow of metal The points of discontinuity The points where no further change occurs Constant for all metals The points where there is no further flow of metal The points of discontinuity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS