Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2.66 %. 3.33 %. 1 %. 2 %. 2.66 %. 3.33 %. 1 %. 2 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kW VAR Wh kWh kW VAR Wh kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 0 A None of the listed here 2.5 A 5 A 0 A None of the listed here 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Gravity Spring All of the listed here Eddy currents Gravity Spring All of the listed here Eddy currents ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Measured value Mean value Rms value Full-scale value Measured value Mean value Rms value ANSWER DOWNLOAD EXAMIANS APP
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