Materials and Construction Polythene (low or high density) containers are not corroded by Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Dilute HC₁ Acetic acid None of these v Dilute HC₁ Acetic acid None of these v ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material results from __________ stress. Tensile None of these Compressive Fluctuating Tensile None of these Compressive Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 900 1100 500 750 900 1100 500 750 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not shipped in mild steel containers? Formic acid Ammonia Ethyl alcohol Acetone Formic acid Ammonia Ethyl alcohol Acetone ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has no effect on the carbide forming tendency in steels? Vanadium Phosphorus Molybdenum Chromium Vanadium Phosphorus Molybdenum Chromium ANSWER DOWNLOAD EXAMIANS APP