Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. none of above. 0.5. 1. 0. none of above. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. 248 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 6.09 A. 2.03 A. 5 A. 4.06 A. 6.09 A. 2.03 A. 5 A. 4.06 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An ammeter should have a very low resitance. A shunt should have a very low resistance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. An ammeter should have a very low resitance. A shunt should have a very low resistance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here 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) ? 2.4µF 1.5µF 0.9µF 3.9µF 2.4µF 1.5µF 0.9µF 3.9µF ANSWER DOWNLOAD EXAMIANS APP
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