Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - coil meter. Moving - iron meter. Thermocouple meter. VTVM. Moving - coil meter. Moving - iron meter. Thermocouple meter. VTVM. 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 4% 2% 1% 3% 4% 2% 1% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. None of above. It is based on null balance technique. It is possible to standardize before a measurement is undertaken. The precision in measurment is independent of the type of the defector used. None of above. It is based on null balance technique. 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 5 A 2.5 A None of the listed here 0 A 5 A 2.5 A None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.65 0.84 0.73 1 0.65 0.84 0.73 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Voltmeters Ampere hour and watt hour meters Wattmeters Ammeters Voltmeters Ampere hour and watt hour meters Wattmeters Ammeters ANSWER DOWNLOAD EXAMIANS APP