Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Rc/Rb).Ra. (Ra/Rc).Rb. (Rc/Ra).Rb. (Rb/Rc).Ra. (Rc/Rb).Ra. (Ra/Rc).Rb. (Rc/Ra).Rb. (Rb/Rc).Ra. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A power factor meter has One current circuit and two pressure circuits Two current circuit and one pressure circuit None of the listed here One current circuit and one pressure circuit One current circuit and two pressure circuits Two current circuit and one pressure circuit None of the listed here One current circuit and one pressure circuit ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter Induction type ammeter Permanent Magnet Type ammeter Moving iron voltmeter Moving iron ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Power transformers Either of the above Current transformers Potential transformers Power transformers Either of the above Current transformers Potential transformers 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 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 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 3% 4% 2% 1% 3% 4% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
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