Measurement and Instrumentation Induction wattmeter can measure Dc power only Ac power only None of the listed here Both AC and DC Dc power only Ac power only None of the listed here Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer Power frequencies Low frequencies High frequencies High load on the transformer Power frequencies Low frequencies High 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 1 %. 2 %. 2.66 %. 3.33 %. 1 %. 2 %. 2.66 %. 3.33 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer Duddle galvanometer Vibration galvanometer Elastic galvanometer Spot ballastic galvanometer Duddle galvanometer 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. 12.8 rpm. 18.2 rpm. 21.1 rpm. 16.02 rpm. 12.8 rpm. 18.2 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Change in velocity / time Mass x acceleration Force x displacement Mass x velocity Change in velocity / time Mass x acceleration Force x displacement Mass x velocity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS