Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Critical temperature Hardness Melting point Yield point Critical temperature Hardness Melting point Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Nickel Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Mild steel Stainless steel Cast iron Carbon-chrome steel Mild steel Stainless steel Cast iron Carbon-chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Ductility Brittleness Malleability Plasticity Ductility Brittleness Malleability Plasticity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It is very soft and ductile It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It is very soft and ductile It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Generators and transformers in the form of laminated cores Connecting rods Motor car crankshafts Cutting tools Generators and transformers in the form of laminated cores Connecting rods Motor car crankshafts Cutting tools ANSWER DOWNLOAD EXAMIANS APP