Measurement and Instrumentation In a portable instrument , the controlling torque is provided by All of the listed here Spring Eddy currents Gravity All of the listed here Spring Eddy currents Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Both A and B Electrostatic coupling None of these Electromagnetic coupling Both A and B Electrostatic coupling None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2V. 2√2V. Zero. √2V. 2V. 2√2V. Zero. √2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Both current and potential transformers Current transformers Power transformers Pottential transformers Both current and potential transformers Current transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
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 1% 4% 3% 2% 1% 4% 3% 2% ANSWER DOWNLOAD EXAMIANS APP