Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Hardness Yield point Melting point Critical temperature Hardness Yield point Melting point Critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Both A and B None of these Cementite Free graphite Both A and B None of these Cementite Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Machinability Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Brittle Basic Acidic Neutral Brittle Basic Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is High speed steel Stainless steel Heat resisting steel Nickel steel High speed steel Stainless steel Heat resisting steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 400°C to 600°C 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS