Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use None of these Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping 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% ±3.5% ± 1.5% ± 2.5% ± 1% ±3.5% ± 1.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter C. ammeter C. energy meter None of these C. ammeter hour meter C. ammeter C. energy meter None of these 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? 3.33% 5% 2% 1% 3.33% 5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.25% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% 1.25% & 98.25% 1.5% & 98.75% 1.5% & 99% 1.25% & 98.75% ANSWER DOWNLOAD EXAMIANS APP