Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Moving coil or iron Electrostatic Induction Rectifier Moving coil or iron Electrostatic Induction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Meter Kilometer Inch Centimeter Meter Kilometer Inch Centimeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 252 V. 260 V. 250 V. 248 V. 252 V. 260 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 6.66 V. 4.20 V. Zero. - 3.33 V. 6.66 V. 4.20 V. Zero. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS