Measurement and Instrumentation Commonly used instruments in power system measurement are Induction Rectifier Electrostatic Moving coil or iron Induction Rectifier Electrostatic Moving coil or iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If two 300V full scale voltmeters V1 and V2 having sensitivities of 100 kOhm/V and 150 kOhm/V are connected in series to measure 500V then V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. V1 = 0V and V2 = 0V. V1 = 300V and V2 = 200V. V1 = 200V and V2 = 300V. V1 = 250V and V2 = 250V. V1 = 0V and V2 = 0V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R3. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R3. First adjust R2 and then adjust R4. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of temperature variation. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for All of the listed here Calibration of ammeter Measurrment of resistance Measurement of current All of the listed here Calibration of ammeter Measurrment of resistance Measurement of current ANSWER DOWNLOAD EXAMIANS APP