Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Friction and wear. High temperature. Crystal growth. Low temperature. Friction and wear. High temperature. Crystal growth. Low temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Generators. Hoist. Motors. All of these. Generators. Hoist. Motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? 1. none of these. Less than 1 0. 1. none of these. Less than 1 0. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. large B-H loop area. high retentivity. high resistivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. elastomers. super die-electrics. ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ferroelectric materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When will be the electron pair bonding occurs ? Share holes Lack holes Share electrons None of these Share holes Lack holes Share electrons None of these ANSWER DOWNLOAD EXAMIANS APP