Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 0.3 N 0.15 N 6.66 N 3.33 N 0.3 N 0.15 N 6.66 N 3.33 N ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A (400 ± 3) A (400 ± 1.5) A (400 ± 2.24) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Duddle galvanometer Spot ballastic galvanometer Elastic galvanometer Vibration galvanometer Duddle galvanometer Spot ballastic galvanometer Elastic galvanometer Vibration galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 4% 3% 1% 2% 4% 3% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 2 1 4 5 2 1 4 5 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Electrostatic Induction Moving coil or iron Rectifier Electrostatic Induction Moving coil or iron Rectifier ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS