Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Generators and transformers in the form of laminated cores Connecting rods Cutting tools Motor car crankshafts Generators and transformers in the form of laminated cores Connecting rods Cutting tools Motor car crankshafts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.008 0.003 0.0063 0.0002 0.008 0.003 0.0063 0.0002 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension All of these Ability to undergo large permanent deformations in compression Ability to recover its original form Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
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