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 toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead alone is not used in storing equipment, because it Is very costly None of these Is having low creep strength Corrodes easily Is very costly None of these Is having low creep strength Corrodes easily ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the austenitic stainless steel? Body centred cubic Face centred cubic None of these Simple hexagonal Body centred cubic Face centred cubic None of these Simple hexagonal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Between 910 & 1403 Above 1403 Upto 910 Above 1800 Between 910 & 1403 Above 1403 Upto 910 Above 1800 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Corrundum Topaz Flourite Quartz Corrundum Topaz Flourite Quartz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Annealing Normalising Tempering Carburising Annealing Normalising Tempering Carburising ANSWER DOWNLOAD EXAMIANS APP