Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1.5% 1% 2% 2.5% 1.5% 1% 2% 2.5% 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 ± 3) A (400 ± 1) A (400 ±5) A (400 ± 2.24) A (400 ± 3) A (400 ± 1) A (400 ±5) A (400 ± 2.24) A 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? 30o. 150o. 63.25o. 105.6o. 30o. 150o. 63.25o. 105.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a lower sensitivity. a higher accuracy. a faster response. All of these a lower sensitivity. a higher accuracy. a faster response. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 1000 mWb. 225 mWb. 0. 450 mWb. 1000 mWb. 225 mWb. 0. 450 mWb. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Moving iron type instrument Electro-static type instrument Hot-wire type instrument Moving coil type instrument Moving iron type instrument Electro-static type instrument Hot-wire type instrument Moving coil type instrument ANSWER DOWNLOAD EXAMIANS APP
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