Measurement and Instrumentation The watt hour meter is ______ instrument. An integrating A recording An indicating A transfer An integrating A recording An indicating A transfer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4.47 A. 4 A. 5.78 A. 2 A. 4.47 A. 4 A. 5.78 A. 2 A. 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 0.70 A. 0.25 A. 0.50 A. 0.67 A. 0.70 A. 0.25 A. 0.50 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The household energymeter is An integrating instrument None of the listed here An indicating instrument A recording instrument An integrating instrument None of the listed here An indicating instrument A recording instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
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