Engineering Materials Which of the following material has nearly zero coefficient of expansion? High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Plasticity Ductility Malleability Elasticity Plasticity Ductility Malleability Elasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Hard Tough Brittle Ductile Hard Tough Brittle Ductile ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum None of these Gamma-iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha-iron, tungsten, chromium and molybdenum None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Increases None of these Decreases Does not effect Increases None of these Decreases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 2.1180555555556 30 : 70 40 : 60 2.9375 2.1180555555556 30 : 70 40 : 60 2.9375 ANSWER DOWNLOAD EXAMIANS APP