Measurement and Instrumentation In a single phase energy meter, braking torque is provided by Air friction Fluid friction Permanent magnet None of the listed here Air friction Fluid friction Permanent magnet None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. None of above. The precision in measurment is independent of the type of the defector used. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ± 2.5% ± 1.5% ±3.5% ± 1% ± 2.5% ± 1.5% ±3.5% 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 2% 1% 3% 4% 2% 1% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 10% 5% 8.33% 6.67% 10% 5% 8.33% 6.67% ANSWER DOWNLOAD EXAMIANS APP
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