Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Lead or acid-proof bricks Rubber Acidic refractory Karbate Lead or acid-proof bricks Rubber Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is a good Both B & C Conductor of electricity Conductor of heat Thermal & electrical insulator Both B & C Conductor of electricity Conductor of heat Thermal & electrical insulator ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Glass wool and 85% magnesia Ceramic fibre blanket Slag wool Vermiculite Glass wool and 85% magnesia Ceramic fibre blanket Slag wool Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The digester of a Gobar gas plant is a Cast iron vessel Mild steel drum Stainless steel vessel Masonry well Cast iron vessel Mild steel drum Stainless steel vessel Masonry well ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Yield strength Ultimate strength Area under stress-strain diagram Percentage elongation Yield strength Ultimate strength Area under stress-strain diagram Percentage elongation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B Protect the base metal by cathodic protection Prevent its rusting by contact with corrosive atmosphere Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP