Measurement and Instrumentation A voltmeter using thermocouple measures rms value. Peak value. Peak to peak value. Average value. rms value. Peak value. Peak to peak value. Average value. 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 Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
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 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in VAR Wh kW kWh VAR Wh kW kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple. most accurate. most simple and least time consuming. least time consuming. most simple. most accurate. most simple and least time consuming. least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here Non conducting and magnetic material Conducting and non magnetic material Conducting and magnetic material None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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