Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and magnetic material Conducting and non magnetic material Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material Non conducting and magnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Eddy current Gravity Spring Coil Eddy current Gravity Spring Coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are false. Both 1 and 2 are true. 1 is true but 2 is false. 1 is false but 2 is true. Both 1 and 2 are false. Both 1 and 2 are true. 1 is true but 2 is false. 1 is false but 2 is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Induction type Moving coil type Moving iron type Hot wire type Induction type Moving coil type Moving iron type Hot wire type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with standard. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with standard. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. g, cm and s. kg, cm and s. kg, m and s. g, m and s. g, cm and s. kg, cm and s. kg, m and s. ANSWER DOWNLOAD EXAMIANS APP
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