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 0.5. none of above. 1. 0. 0.5. none of above. 1. 0. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A shunt resistance Shunt capacitance Series resistance A series inductance A shunt resistance Shunt capacitance Series resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Square of the current through the coil Current through the coil Squareroot of the measurand Sine of the measurand Square of the current through the coil Current through the coil Squareroot of the measurand Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. a lower sensitivity. All of these a higher accuracy. a faster response. a lower sensitivity. All of these a higher accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 3) A (400 ± 1) A (400 ±5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ±5) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP