Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Gross errors Environmental errors Systematic errors Random errors Gross errors Environmental errors Systematic errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by weight attached to the moving coil. spring. crossed coil mechanism. not provided at all. weight attached to the moving coil. spring. crossed coil mechanism. not provided at all. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Reduce the size of the meter. Minimize the effect of temperature variation. Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Minimize the effect of temperature variation. Obtaine large deflecting torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 6.09 A. 5 A. 2.03 A. 4.06 A. 6.09 A. 5 A. 2.03 A. 4.06 A. 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. 5 4 2 1 5 4 2 1 ANSWER DOWNLOAD EXAMIANS APP