Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a. a / 4. a / 2. a / 3. a. a / 4. a / 2. a / 3. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The numberof atoms per unit cell in a B.C.C structure is 12. 4. 7. 2. 12. 4. 7. 2. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? Hoist. Generators. Motors. All of these. Hoist. Generators. Motors. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following gives materials in order of decreasing values of permeability? 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. Permalloy, nickel, air, water. Silver, copper, aluminium, iron. ANSWER DOWNLOAD EXAMIANS APP
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