Measurement and Instrumentation The electrical power to a megger is provided by Ac generator Permanent magnet dc generator Battery Any of the listed here Ac generator Permanent magnet dc generator Battery Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 25.45 W. 28.12 W. 32.56 W . None of these 25.45 W. 28.12 W. 32.56 W . ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ± 1.5% ±0.5% ±3.5% ± 3.0% ± 1.5% ±0.5% ±3.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Electrostatic PMMC Moving iron Hot wire Electrostatic PMMC Moving iron Hot wire ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. Both B and C. The deflection is proportional to phase angle between field coil and crossed coil. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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