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. 0. 1. 0.5. none of above. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance 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. 400∠-90° ohm. 600∠-150° ohm. 300∠90° ohm. 150∠30° ohm. 400∠-90° ohm. 600∠-150° ohm. 300∠90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil and potential coil Current coil Potential coil None of the listed here Current coil and potential coil Current coil Potential coil None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as None of these true error. ratio of absolute error and true value. absolute error. None of these true error. ratio of absolute error and true value. absolute error. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS