Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 40 : 60 2.9375 30 : 70 2.1180555555556 40 : 60 2.9375 30 : 70 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Taps dies and drills contain carbon Below 0.5% Above 1% Above 2.2% Below 1% Below 0.5% Above 1% Above 2.2% Below 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Around 0°C Above 100°K Below 10°K Around 100°C Around 0°C Above 100°K Below 10°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum Gamma-iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is F.C.C. Orthorhombic crystalline structure C.C. H.C.P. F.C.C. Orthorhombic crystalline structure C.C. H.C.P. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel 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 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS