Materials and Construction Polythene (low or high density) containers are not corroded by Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Sulphuric acid (10%) at room temperature Any of these Sulphur trioxide at 60°C Nitric acid (95%) at room temperature Sulphuric acid (10%) at room temperature Any of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Generally __________ are subjected to galvanising (i.e., zinc coating). Non-metals Low carbon steels Non-ferrous metals Stainless steel Non-metals Low carbon steels Non-ferrous metals Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its brittle and malleable Its hard and machinable Its casting unsound All of these Its brittle and malleable Its hard and machinable Its casting unsound All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Post weld heat treatment is done by Normalising Solution annealing Tempering Stress relieving Normalising Solution annealing Tempering Stress relieving ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Tungsten Chromium Vanadium Molybdenum Tungsten Chromium Vanadium Molybdenum ANSWER DOWNLOAD EXAMIANS APP