Engineering Materials in EE The permeability of iron can be increased by increasing carbon percentage. purifying it. alloying with cobalt. reducing carbon percentage. increasing carbon percentage. purifying it. alloying with cobalt. reducing carbon percentage. 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. magnetostriction. magnetic expansion. magneto-calorisation. magnetic hysteresis. magnetostriction. magnetic expansion. magneto-calorisation. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. Magnesium silicate. Calcium silicate. Zinc sulphide. Zinc silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE How many valence electrons would be found in an atom with the atomic number of 51? 8. 51. 5. none of above. 8. 51. 5. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. ANSWER DOWNLOAD EXAMIANS APP
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