Materials and Construction Mild steel storage vessels are suitable for the storage of Sulphuric acid (25%) Anhydrous ammonia Fatty acids Hydrochloric acid (95%) Sulphuric acid (25%) Anhydrous ammonia Fatty acids Hydrochloric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is a donor impurity for semi-conductors. Gallium Boron None of these Antimony Gallium Boron None of these Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting resins are those polymers, which Do not increase in plasticity with rise in temperature Allow slip to occur between molecules None of these Do not take on a permanent set Do not increase in plasticity with rise in temperature Allow slip to occur between molecules None of these Do not take on a permanent set ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Polythene Polystyrene Poly vinyl chloride Bakelite Polythene Polystyrene Poly vinyl chloride Bakelite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 1100 500 750 900 1100 500 750 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Heating Shot blasting Annealing Cold working Heating Shot blasting Annealing Cold working ANSWER DOWNLOAD EXAMIANS APP