Engineering Materials in EE Indicate which of following material does not retain magnetism permanently hardness steel. none of above. stainless steel. soft iron. hardness steel. none of above. stainless steel. soft iron. 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 magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons. electrons and protons. protons and neutrons. protons. electrons. electrons and protons. protons and neutrons. protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The intensity of magnetization, M, of a ferro magnetic solid is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. is independent of temperature. decreases with increasing temperature. increases with increasing temperature. depends on method of heating. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the least desired property in magnetic materials for electrical engineering applications ? All of these High electrical resistivity. Large hysteresis loop. High magnetic permeability. All of these High electrical resistivity. Large hysteresis loop. High magnetic permeability. ANSWER DOWNLOAD EXAMIANS APP
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