Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? High temperature. Friction and wear. Low temperature. Crystal growth. High temperature. Friction and wear. Low temperature. Crystal growth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A ferrite core has low eddy current loss than an iron core because ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites have low permeability. ferrites are magnetic. / >ferrites have high resistance. ferrites have hig hysteresis. ferrites have low permeability. 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. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently soft iron. none of above. hardness steel. stainless steel. soft iron. none of above. hardness steel. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? none of above. 51. 8. 5. none of above. 51. 8. 5. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The core of a transformer for microwave frequency should be made of silicon carbide. silicon. iron. ferrites. silicon carbide. silicon. iron. ferrites. ANSWER DOWNLOAD EXAMIANS APP