Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Low temperature. High temperature. Friction and wear. Crystal growth. Low temperature. High temperature. Friction and wear. Crystal growth. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removal of magnetic impurities. removing gases from materials. demagnetising metallic parts. remagnetising metallic parts. removal of magnetic impurities. removing gases from materials. demagnetising metallic parts. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following statements is not part of Daltons atomic theory? Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. All matter is composed of atoms. Atoms of different elements are quite different. Atoms can combine to form compounds. An atom contains a dense central nucleus. All matter is composed of atoms. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. Porcelain. Glass. All of these. Mica. Porcelain. Glass. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are repel other. dipoles are attract each other. both are correct. none of above. dipoles are repel other. dipoles are attract each other. both are correct. none of above. ANSWER DOWNLOAD EXAMIANS APP
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