Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1% 1.5% 2% 2.5% 1% 1.5% 2% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The spring material used in a spring control device should have the following property. Should have low specific resistance Should non magnetic All of the listed here Most be of low temperature co-efficient Should have low specific resistance Should non magnetic All of the listed here Most be of low temperature co-efficient ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 150o. 63.25o. 30o. 105.6o. 150o. 63.25o. 30o. 105.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act Only deflecting torque acts None of the listed here Only controlling torque acts Both deflecting and controlling torques act ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure both AC and DC voltage. DC voltage. AC volatge. DC current. both AC and DC voltage. DC voltage. AC volatge. DC current. ANSWER DOWNLOAD EXAMIANS APP
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