Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors Random errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 5% 2% 3% 4% 5% 2% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments 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 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode Grid X-Y plates Cathode Accelerating anode Grid X-Y plates Cathode ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Breaking torque None of the listed here Creep compensation Friction compensation Breaking torque None of the listed here Creep compensation Friction compensation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS