Engineering Materials in EE Temporary magnets are used in which of the following ? Generators. All of these. Motors. Hoist. Generators. All of these. Motors. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are attract each other. none of above. dipoles are repel other. both are correct. dipoles are attract each other. none of above. dipoles are repel other. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. aluminium, nickel. iron, cobalt, nickel. aluminium, nickel, iron and cobalt. iron, aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from silicon-iron. ferric-oxide. iron-dust. small particles of iron. silicon-iron. ferric-oxide. iron-dust. small particles of iron. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as bipolar. diamagnetic. ferromagnetic. paramagnetic. bipolar. diamagnetic. ferromagnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
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