Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Moving iron Permanent magnet moving coil Dynamometer Hot wire Moving iron Permanent magnet moving coil Dynamometer 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. Zero. 2√2V. 2V. √2V. Zero. 2√2V. 2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. Orifice. nucleus. Anemometer. Venturimeter. Orifice. nucleus. Anemometer. Venturimeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer Vibration galvanometer Spot ballastic galvanometer Elastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. ANSWER DOWNLOAD EXAMIANS APP
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