Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Low temperature. Friction and wear. Crystal growth. High temperature. Low temperature. Friction and wear. Crystal growth. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when both are correct. 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. 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. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They have fixed value of μr. They lose their nonlinearly property above the Curie temperature. Energy loss is proportional to the area of hysteresis loop. They have large magnetic susceptibility. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Paper. Ceramics. Oil. Glass. Paper. Ceramics. Oil. Glass. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called ferro-magnectic. None of these dia-magnetic. semi-magnetic. ferro-magnectic. None of these dia-magnetic. semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
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