Measurement and Instrumentation The absolute measurement of resistance is done by Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 1% 3% 2% 4% 1% 3% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Aluminium Silver Soft steel Copper Aluminium Silver Soft steel Copper ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. Moving - iron meter. Moving - coil meter. VTVM. Thermocouple meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure AC volatge. DC voltage. DC current. both AC and DC voltage. AC volatge. DC voltage. DC current. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP