Materials and Construction Silicon percentage in acid resistant cast iron is about 20 8 14 4 20 8 14 4 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Twinning Screw dislocation Solid solution hardening Strain ageing Twinning Screw dislocation Solid solution hardening Strain ageing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Elastomers Plastics Fibres Both rubber & elastomers Elastomers Plastics Fibres Both rubber & elastomers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel made/clad equipments are suitable for handling Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Do not contain nickel or chromium or both Are prone to temper brittleness Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is 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 Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP