Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Critical temperature Melting point Hardness Yield point Critical temperature Melting point Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The portion of the blast furnace below its widest cross-section is called Bosh Stack Throat Hearth Bosh Stack Throat Hearth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Aluminium bronze Silicon bronze Gun metal Babbitt metal Aluminium bronze Silicon bronze Gun metal Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Cobalt Nickel Chromium Vanadium Cobalt Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these Have the same orientation and their similar faces are parallel Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice All of these Have the same orientation and their similar faces are parallel Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS