Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High load on the transformer High frequencies Low frequencies Power frequencies High load on the transformer High frequencies Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2.66 %. 3.33 %. 2 %. 1 %. 2.66 %. 3.33 %. 2 %. 1 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 0. 1. 0.5. none of above. 0. 1. 0.5. none of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very light None of the listed here Either light or heavy Very heavy Very light None of the listed here Either light or heavy Very heavy ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer Moving-coil meter Moving- iron meter Digital Volt meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.054 ± 0.065 ± 0.056 ± 0.045 ± 0.054 ± 0.065 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS