Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 0 A None of the listed here 2.5 A 5 A 0 A None of the listed here 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Random errors Gross errors Systematic errors Environmental errors Random errors Gross errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to rms value Rms value to average value Rms value to peak value Peak value to average value Peak value to rms value Rms value to average value Rms value to peak value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Rectifier Moving coil or iron Electrostatic Induction Rectifier Moving coil or iron Electrostatic Induction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 63.25o. 105.6o. 150o. 30o. 63.25o. 105.6o. 150o. 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ±5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A (400 ±5) A (400 ± 3) A (400 ± 2.24) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
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