Engineering Materials Crystal structure of a material is, generally, examined by X-ray techniques Naked eye Metallurgical microscope Optical microscope X-ray techniques Naked eye Metallurgical microscope Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high Creep strength limits its use to fairly low temperatures Wear resistance is very good Modulus of elasticity is fairly low Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Make the iron white and hard Aids fusibility and fluidity Makes the iron soft and easily machinable Increases hardness and brittleness Make the iron white and hard Aids fusibility and fluidity Makes the iron soft and easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Near melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Near melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Can be cut freely Is used where rapid machining is the prime requirement Require minimum cutting force Contain carbon in free from Can be cut freely Is used where rapid machining is the prime requirement Require minimum cutting force Contain carbon in free from ANSWER DOWNLOAD EXAMIANS APP
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