Measurement and Instrumentation A power factor meter has One current circuit and one pressure circuit One current circuit and two pressure circuits None of the listed here Two current circuit and one pressure circuit One current circuit and one pressure circuit One current circuit and two pressure circuits None of the listed here Two current circuit and one pressure circuit ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.25 A. 0.50 A. 0.67 A. 0.70 A. 0.25 A. 0.50 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 0.9µF 2.4µF 3.9µF 1.5µF 0.9µF 2.4µF 3.9µF 1.5µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Charge Power Force Frequency Charge Power Force Frequency ANSWER DOWNLOAD EXAMIANS APP
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? 28.12 W. None of these 32.56 W . 25.45 W. 28.12 W. None of these 32.56 W . 25.45 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies Low frequencies High load on the transformer High frequencies Power frequencies Low frequencies High load on the transformer High frequencies ANSWER DOWNLOAD EXAMIANS APP
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