Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most common stainless steel type 316, which is highly resistant to corrosion contains 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo None of these 20-22% Cr, and 8-10% Ni 16-13% Cr 10-14% Ni and 2-3% Mo 2-4% Cr, 22% NI and 2-4% Mo None of these 20-22% Cr, and 8-10% Ni ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead alone is not used in storing equipment, because it None of these Corrodes easily Is very costly Is having low creep strength None of these Corrodes easily Is very costly Is having low creep strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is Iron impregnated with resin (usually bakelite) Carbon free iron None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) Iron impregnated with resin (usually bakelite) Carbon free iron None of these An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Austenitic stainless steel Heat resisting steel High speed steel Invar Austenitic stainless steel Heat resisting steel High speed steel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following finds the least commercial use? Pure iron High carbon steel Low carbon steel High silicon iron Pure iron High carbon steel Low carbon steel High silicon iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS