Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate Copper Lead zirconate titanate None of these Potassium niobate Copper Lead zirconate titanate None of these ANSWER DOWNLOAD EXAMIANS APP
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 The core of a transformer for microwave frequency should be made of ferrites. silicon. iron. silicon carbide. ferrites. silicon. iron. silicon carbide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Cryogenics is a branch of science dealing with which of the following? Friction and wear. Crystal growth. Low temperature. High temperature. Friction and wear. Crystal growth. Low temperature. High temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of high melting point None of these Because of large cohesive energy Because of covalent solid Because of high melting point None of these Because of large cohesive energy Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. demagnetising metallic parts. removal of magnetic impurities. remagnetising metallic parts. removing gases from materials. demagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
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