Engineering Materials The metal suitable for bearings subjected to light loads, is White metal Phosphor bronze Monel metal Silicon bronze White metal Phosphor bronze Monel metal Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly There is no change in grain size The average grain size is a minimum The grain size increases very rapidly The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statement is true about brittle fracture? High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials High temperature and low strain rates favour brittle fracture Brittle fracture is always preceded by noise Many metals with hexagonal close packed (H.C.P) crystal structure commonly show brittle fracture Cup and cone formation is characteristic for brittle materials ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good Creep strength limits its use to fairly low temperatures Fatigue strength is not high Modulus of elasticity is fairly low Wear resistance is very good ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has its atoms distributed in a random pattern Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures Has its atoms distributed in a random pattern Responds to heat treatment Has a fixed structure under all conditions Exists in several crystal forms at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
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