Engineering Materials The purpose of heat treatment is to Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Less than More than Equal to None of these Less than More than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is Refined from cast iron Made by adding carbon in steel Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur Refined from cast iron Made by adding carbon in steel Extensively used for making cutting tools An alloy of iron and carbon with varying quantities of phosphorus and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in ferrite is 0.0025 0.001 0.00025 0.0006 0.0025 0.001 0.00025 0.0006 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 10% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces White cast iron Malleable cast iron Nodular cast iron Alloy cast iron White cast iron Malleable cast iron Nodular cast iron Alloy cast iron ANSWER DOWNLOAD EXAMIANS APP
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