Measurement and Instrumentation PMMC Instrument can be used for None of the listed here Both AC and DC DC work only AC work only None of the listed here Both AC and DC DC work only AC work only 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 Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. Stray thermal emfs. Stray magnetic fields. Ripples of the DC supply. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 50 mA. 40 mA. 25 mA. 80 mA. 50 mA. 40 mA. 25 mA. 80 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 4 6 8 7 4 6 8 7 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ballastic galvanometer Ammeter Voltmeter Flux meter Ballastic galvanometer Ammeter Voltmeter Flux meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kW VAR Wh kWh kW VAR Wh kWh ANSWER DOWNLOAD EXAMIANS APP