Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 2.5 A None of the listed here 0 A 5 A 2.5 A None of the listed here 0 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that balance equation independent of frequency. attaining balance condition is easier. measures high Q inductors. reduction of the cost. balance equation independent of frequency. attaining balance condition is easier. measures high Q inductors. reduction of the cost. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a megger controlling torque is provided by Eddy current Gravity Spring Coil Eddy current Gravity Spring Coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage Low frequency voltage High DC voltage AC voltage of any form High AC voltage Low frequency voltage High DC voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Systematic errors are All of these environmental errors. observational errors. instrument errors. All of these environmental errors. observational errors. instrument errors. ANSWER DOWNLOAD EXAMIANS APP