Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Friction and wear. High temperature. Low temperature. Crystal growth. Friction and wear. High temperature. Low temperature. Crystal growth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as conversion temperature. inversion temperature. curie temperature. critical temperature. conversion temperature. inversion temperature. curie temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. Less than 1 1. none of these. 0. Less than 1 1. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point Because of large cohesive energy None of these Because of covalent solid Because of high melting point Because of large cohesive energy None of these Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 4. a / 3. a. a / 2. a / 4. a / 3. a. a / 2. ANSWER DOWNLOAD EXAMIANS APP