Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 20. 10√3. 10. 20√3. 20. 10√3. 10. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having sensitivity of 1 KW/V. 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 temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of temperature variation. Minimize the effect of stray magnetic fields. Reduce the size of the meter. Obtaine large deflecting torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Systematic errors Environmental errors Gross errors Random errors Systematic errors Environmental errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is accuracy. sensitivity. precision. resolution. accuracy. sensitivity. precision. resolution. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 3 kWh 4 kWh 1 kWh 2 kWh 3 kWh 4 kWh 1 kWh 2 kWh ANSWER DOWNLOAD EXAMIANS APP