Measurement and Instrumentation Instrument transformers are Both current and potential transformers Current transformers Pottential transformers Power transformers Both current and potential transformers Current transformers Pottential transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. A function generator. A frequency meter. An ammeter. A potentiometer. A function generator. A frequency meter. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 0.5% 1% 1.2% 1.5% 0.5% 1% 1.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Environment errors Instrument errors All of the listed here Observational errors Environment errors Instrument errors All of the listed here Observational errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low current measurements Low voltage measurements High voltage measurements High current measurements Low current measurements Low voltage measurements High voltage measurements High current measurements ANSWER DOWNLOAD EXAMIANS APP
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