Engineering Materials in EE The Bohr model of the atom could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. All of these had some made-up rules without explanations. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Nitrogen. Carbon. Sulphur. Oxygen. Nitrogen. Carbon. Sulphur. Oxygen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. ANSWER DOWNLOAD EXAMIANS APP
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