Engineering Materials Quenching is not necessary when hardening is done by Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver 2% silver 1% silver No silver 5% silver 2% silver 1% silver No silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water All of these Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Fatigue Creep Hot tempering Hot hardness Fatigue Creep Hot tempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
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