Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 2.8% ± 3% ± 4% ± 6% ± 2.8% ± 3% ± 4% ± 6% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A potentiometer may be used for Measurrment of resistance All of the listed here Measurement of current Calibration of ammeter Measurrment of resistance All of the listed here Measurement of current Calibration of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Environmental errors Gross errors Systematic errors Random errors Environmental errors Gross errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are bridge recorders. LVDT recorders. potentiometric recorders. any one of the above. bridge recorders. LVDT recorders. potentiometric recorders. any one of the above. 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 16.02 rpm. 12.8 rpm. 21.1 rpm. 18.2 rpm. 16.02 rpm. 12.8 rpm. 21.1 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP