Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments Electrodynamo meter instruments Electrostatic instruments PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments PMMC instruments 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 meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 10 µF. 11 µF. 0.09 µF. 0.1 µF. 10 µF. 11 µF. 0.09 µF. 0.1 µF. ANSWER DOWNLOAD EXAMIANS APP
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 ? 3.33 N 0.3 N 0.15 N 6.66 N 3.33 N 0.3 N 0.15 N 6.66 N ANSWER DOWNLOAD EXAMIANS APP
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