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 0.5% 1.2% 1.5% 1% 0.5% 1.2% 1.5% 1% 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 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction wattmeter can be used for Both DC and AC Any of the listed here Dc only Ac only Both DC and AC Any of the listed here Dc only Ac only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two capacitance, C1 = 150 ± 2.4µF and C2 = 120 ± 1.5 µF are connected in parallel. What is the limiting error of the resultant capacitance C (in µF) ? 0.9µF 1.5µF 2.4µF 3.9µF 0.9µF 1.5µF 2.4µF 3.9µF ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of SI unit as Candela? Impulse Luminous intensity Force Velocity Impulse Luminous intensity Force Velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is resolution. accuracy. sensitivity. precision. resolution. accuracy. sensitivity. precision. ANSWER DOWNLOAD EXAMIANS APP
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