Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. small. ideally zero. high. very high. small. ideally zero. high. 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 Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Absloute linear. Cramped. Linear. Non Linear. Absloute linear. Cramped. Linear. Non Linear. 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 2% 1% 3% 4% 2% 1% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series-parallel None of the listed here Parallel Series Series-parallel None of the listed here Parallel Series ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1 and 2 are correct 1, 2 and 3 are correct 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 2 and 3 are correct 1 and 3 are correct ANSWER DOWNLOAD EXAMIANS APP
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