Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 5% 3% 2% 4% 5% 3% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Both current and potential transformers Power transformers Current transformers Pottential transformers Both current and potential transformers Power transformers Current transformers Pottential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values The bridge can always be balanced None of the listed here The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values The bridge can always be balanced None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron instrument can be used for AC only DC only Both DC& AC None of the listed here AC only DC only Both DC& AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an systematic error random error instrument error gross error systematic error random error instrument error gross error 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 magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. ANSWER DOWNLOAD EXAMIANS APP