Measurement and Instrumentation Electrostatic instruments are used as Both ammeter and voltmeter Wattmeter only Ammeters only Voltmeters only Both ammeter and voltmeter Wattmeter only Ammeters only Voltmeters only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. 16.02 rpm. 18.2 rpm. 12.8 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are systematic error. gross error. observational error. instrumental error. systematic error. gross error. observational error. instrumental error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement? 0.03 ohm. 10.26 ohm. 0.01 ohm. 15.36 ohm. 0.03 ohm. 10.26 ohm. 0.01 ohm. 15.36 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Base units Units used to measure charge Supplementary units Derived units Base units Units used to measure charge Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be None of the listed here Very light Very heavy Either light or heavy None of the listed here Very light Very heavy Either light or heavy ANSWER DOWNLOAD EXAMIANS APP
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