Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond None of these Ionic bond Metallic bond Covalent bond None of these Ionic bond Metallic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The molecules in a solid move In a haphazard way In a random manner In circular motion Back and forth like tiny pendulums In a haphazard way In a random manner In circular motion Back and forth like tiny pendulums ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures Atoms distributed in random pattern Any one of the above Fixed structure at all temperatures Different crystal structures at different temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal All of these Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
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