Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hastelloy comprises of Molybdenum and nickel Copper and nickel Lead and tin Copper and tin Molybdenum and nickel Copper and nickel Lead and tin Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest compressive strength? Mild steel Wrought iron High carbon steel Cast iron Mild steel Wrought iron High carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Materials having __________ lattice structure are usually most ductile. c.c. F.c.c. H.c.p. Cubic c.c. F.c.c. H.c.p. Cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ferric stainless steels compared to austenitic stainless steels Are less ductile and hence less suitable for cold pressing All of these Are harder to fabricate Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing All of these Are harder to fabricate Have lower corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cementite is All of these Characterised by an orthorhombic crystal structure A compound of carbon and iron Fe₃C chemically All of these Characterised by an orthorhombic crystal structure A compound of carbon and iron Fe₃C chemically ANSWER DOWNLOAD EXAMIANS APP