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. 2V. Zero. √2V. 2√2V. 2V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Either of the above Potential transformers Power transformers Current transformers Either of the above Potential transformers Power transformers 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? 0.84 1 0.73 0.65 0.84 1 0.73 0.65 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 5 A. 2+3√2 A. 3 A. 2 A. 5 A. 2+3√2 A. 3 A. 2 A. ANSWER DOWNLOAD EXAMIANS APP
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 An electric pyrometer is an instrument used to measure None of the listed here High temperatures Phase Frequency None of the listed here High temperatures Phase Frequency ANSWER DOWNLOAD EXAMIANS APP
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