Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Have very poor fatigue resistance Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Molybdenum Vanadium Chromium Tungsten Molybdenum Vanadium Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum consumption of zinc is in Utensil manufacture Alloying Electrical industry Galvanising Utensil manufacture Alloying Electrical industry Galvanising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is having very high Tensile strength Proximity between its elastic limit and ultimate breaking strength Ductility All of these Tensile strength Proximity between its elastic limit and ultimate breaking strength Ductility All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Polythene (low or high density) containers are not corroded by Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Any of these Nitric acid (95%) at room temperature Sulphuric acid (10%) at room temperature Sulphur trioxide at 60°C Any of these Nitric acid (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP