Measurement and Instrumentation Electrostatic instruments are normally used for High voltage measurements Low current measurements High current measurements Low voltage measurements High voltage measurements Low current measurements High current measurements Low voltage measurements 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 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. 300∠90° ohm. 150∠30° ohm. 600∠-150° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lead. 0.917 lag. 0.6 lag. 0.6 lead. 0.917 lead. 0.917 lag. 0.6 lag. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Sine of the measurand Square of the current through the coil Squareroot of the measurand Current through the coil Sine of the measurand Square of the current through the coil Squareroot of the measurand Current through the coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Ballastic galvanometer Flux meter Voltmeter Ammeter Ballastic galvanometer Flux meter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. ANSWER DOWNLOAD EXAMIANS APP