Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. Zinc silicate. Magnesium silicate. Zinc sulphide. Calcium silicate. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The atomic radius in case of face centered cubic lattice is a / 3. a / 2. a. a / 4. a / 3. a / 2. a. a / 4. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permanent magnets are made from which of following materials ? Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. Diamagnetic. Ferromagnetic. Soft iron. Paramagnetic. 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. magneto-calorisation. magnetostriction. magnetic hysteresis. magnetic expansion. magneto-calorisation. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as inversion temperature. curie temperature. conversion temperature. critical temperature. inversion temperature. curie temperature. conversion temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE It is difficult to magnetize steel because it has high permittivity. low susceptibility. high permeability. low permeability. high permittivity. low susceptibility. high permeability. low permeability. ANSWER DOWNLOAD EXAMIANS APP
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