Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Copper & nickel Aluminium Zinc Tin Copper & nickel Aluminium Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
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 Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction SO₃ is absorbed using H₂SO₄ in a None of these Cast iron packed tower Packed steel tower lined with acid proof bricks Stainless steel plate tower None of these Cast iron packed tower Packed steel tower lined with acid proof bricks Stainless steel plate tower ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Topaz Quartz Flourite Corrundum Topaz Quartz Flourite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of 2% nickel in steel makes it suitable for making Electronic valves Boiler plates, rivets etc Connecting rod Turbine blades Electronic valves Boiler plates, rivets etc Connecting rod Turbine blades ANSWER DOWNLOAD EXAMIANS APP