Materials and Construction Duriron is Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is a/an __________ steel. Low carbon High carbon Medium carbon High alloy Low carbon High carbon Medium carbon High alloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Above the highest Between the second & third Between the first & second Above the lowest Above the highest Between the second & third Between the first & second Above the lowest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Both B and C Arsenic Bismuth Antimony Both B and C Arsenic Bismuth Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel rods are used in reinforced concrete to increase its __________ strength. Compressive Tensile None of these Shear Compressive Tensile None of these Shear ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in stainless steel to prevent inter crystal corrosion. Chromium Vanadium Nickel Niobium Chromium Vanadium Nickel Niobium ANSWER DOWNLOAD EXAMIANS APP
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