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 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% 2% 1% 5% 3.33% 2% 1% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. Hot wire Electrostatic Moving iron PMMC Hot wire Electrostatic Moving iron PMMC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC current. DC voltage. both AC and DC voltage. AC volatge. DC current. DC voltage. both AC and DC voltage. AC volatge. 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
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1% 1.2% 0.5% 1.5% 1% 1.2% 0.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP