Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 2% 3% 1% 4% 2% 3% 1% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates DC value of voltage Average value Peak to peak value of voltage RMS value DC value of voltage Average value Peak to peak value of voltage RMS value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. both of above. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. only the magnitude of the quantity being measured. both of above. 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 The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.5% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The watt hour meter is ______ instrument. An indicating A transfer A recording An integrating An indicating A transfer A recording An integrating ANSWER DOWNLOAD EXAMIANS APP
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