Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Mica. Glass. All of these. Porcelain. Mica. Glass. All of these. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the value of dielectric constant of air? none of these. 0. 1. Less than 1 none of these. 0. 1. Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Positive magnetostriction exists when dipoles are repel other. dipoles are attract each other. none of above. both are correct. dipoles are repel other. dipoles are attract each other. none of above. both are correct. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permeability. low susceptibility. low permeability. high permittivity. high permeability. low susceptibility. low permeability. high permittivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. 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 magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. magnetic hysteresis. magnetic expansion. magnetostriction. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
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