Materials and Construction German silver used for decorative purposes contains maximum percentage of Silver Copper Zinc Nickel Silver Copper Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Low thermal conductivity Silica Tar-dolomite Fire clay Low thermal conductivity Silica Tar-dolomite Fire clay 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. 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 Having poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Oxygen Arsenic Antimony Bismuth Oxygen Arsenic Antimony Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The formation of oxide film on a metal due to atmospheric exposure reduces its All of these Stiffness Creep limit Toughness All of these Stiffness Creep limit Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The addition of antimony in tin-based alloys improves its Deformation resistance Wear resistance Rupture strength and hot hardness Impact strength and bonding strength Deformation resistance Wear resistance Rupture strength and hot hardness Impact strength and bonding strength ANSWER DOWNLOAD EXAMIANS APP
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