Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 10. 10√3. 20. 20√3. 10. 10√3. 20. 20√3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Units used to measure charge Base units Derived units Supplementary units Units used to measure charge Base units Derived units Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 5% 1% 2% 3.33% 5% 1% 2% 3.33% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The ratio of change in output to the change in the input is called sensitivity repeatability resolution precision sensitivity repeatability resolution precision 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 of Y phase Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced Active power of Y phase Active power in R phase Reactive power of R phase Power proportional to 3 phase power if the load is balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Period measurment modes only. Frequency measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Period measurment modes only. ANSWER DOWNLOAD EXAMIANS APP
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