Materials and Construction Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with Lead or glass Fireclay bricks PVC Karbate Lead or glass Fireclay bricks PVC Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is 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 Not resistant to oxidation at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Creep resistance Tensile strength All of these Fatigue resistance Creep resistance Tensile strength All of these Fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a Pure metal Lead base alloy Tin base alloy White metal Pure metal Lead base alloy Tin base alloy White metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its All of these Tensile strength increases Hardness increases Ductility reduces All of these Tensile strength increases Hardness increases Ductility reduces ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? High frequency transformers Induction motors Generators and small motors Armature of small motors/generators High frequency transformers Induction motors Generators and small motors Armature of small motors/generators ANSWER DOWNLOAD EXAMIANS APP
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