Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 0. 225 mWb. 1000 mWb. 450 mWb. 0. 225 mWb. 1000 mWb. 450 mWb. 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? 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. ANSWER DOWNLOAD EXAMIANS APP
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