Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. super die-electrics. elastomers. ferroelectric materials. hard die-electrics. super die-electrics. elastomers. ferroelectric materials. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper Lead zirconate titanate Potassium niobate None of these Copper Lead zirconate titanate Potassium niobate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Crystal growth. Low temperature. Friction and wear. High temperature. Crystal growth. Low temperature. Friction and wear. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the name of the fluorescent material that gives red colour fluorescence? Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. Zinc silicate. Calcium silicate. Magnesium silicate. Zinc sulphide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as inversion temperature. conversion temperature. critical temperature. curie temperature. inversion temperature. conversion temperature. critical temperature. curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently stainless steel. hardness steel. none of above. soft iron. stainless steel. hardness steel. none of above. soft iron. ANSWER DOWNLOAD EXAMIANS APP