Measurement and Instrumentation A voltmeter using thermocouple measures rms value. Peak to peak value. Peak value. Average value. rms value. Peak to peak value. Peak value. Average value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. A battery. A source other than the source of unknown voltage. The same source as the unknown voltage. Any of above. 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 Reactive power of R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase Reactive power of R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? All of the listed here Shunt Current transformers Potential transformers All of the listed here Shunt Current transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is low Load impedance is high None of these Supply voltage is low Load impedance is low Load impedance is high None of these Supply voltage is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Rectangular wave Square wave Triangular wave Sine wave Rectangular wave Square wave Triangular wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS