Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. Permalloy, nickel, air, water. Cobalt, nickel, aluminium, iron. Pure iron, silicon iron, aluminium, bismuth. Silver, copper, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? None of these Copper Lead zirconate titanate Potassium niobate None of these Copper Lead zirconate titanate Potassium niobate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently none of above. soft iron. stainless steel. hardness steel. none of above. soft iron. stainless steel. hardness steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. small particles of iron. iron-dust. ferric-oxide. silicon-iron. small particles of iron. iron-dust. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. explained the color lines in the hydrogen spectrum. could not explain the line spectrum of atoms larger than hydrogen. All of these had some made-up rules without explanations. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Motors. All of these. Hoist. Generators. Motors. All of these. Hoist. Generators. ANSWER DOWNLOAD EXAMIANS APP
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