Measurement and Instrumentation Relative error is same as true error. None of these ratio of absolute error and true value. absolute error. true error. None of these ratio of absolute error and true value. absolute error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 Nm. 100 Nm. 1 Nm. 200 Nm. 2 Nm. 100 Nm. 1 Nm. 200 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Ampere hour and watt hour meters Voltmeters Ammeters Wattmeters Ampere hour and watt hour meters Voltmeters Ammeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The maximum percentage error in the sum of two voltage measurements when V1 = 100V ± 1% and V2 = 80V ± 5% is ± 4% ± 2.8% ± 6% ± 3% ± 4% ± 2.8% ± 6% ± 3% 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. 16.02 rpm. 18.2 rpm. 21.1 rpm. 12.8 rpm. 16.02 rpm. 18.2 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
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