Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper None of these Lead zirconate titanate Potassium niobate Copper None of these Lead zirconate titanate Potassium niobate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Carbon. Oxygen. Sulphur. Nitrogen. Carbon. Oxygen. Sulphur. Nitrogen. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Temporary magnets are used in which of the following ? All of these. Motors. Generators. Hoist. All of these. Motors. Generators. Hoist. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 200. 1 to 2. 100. 3 to 8. 200. 1 to 2. 100. ANSWER DOWNLOAD EXAMIANS APP
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