Materials and Construction Iron alloyed with carbon upto 2% is called None of these High carbon steel Wrought iron Pig iron None of these High carbon steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Hydrocarbon oil Charcoal Graphite Calcium carbide Hydrocarbon oil Charcoal Graphite Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Dielectric Metal/alloy None of these Semi-conductor Dielectric Metal/alloy None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Abrasive Neither A nor B Corrosive Both A & B Abrasive Neither A nor B Corrosive Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ammonium chloride solution is stored/ treated in __________ vessels/pipes. Lead Rubber or durmet-20 lined Stainless steel Plain carbon steel Lead Rubber or durmet-20 lined Stainless steel Plain carbon steel ANSWER DOWNLOAD EXAMIANS APP