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% 2% 1.5% 2.5% 1% 2% 1.5% 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Electro-static type instrument Hot-wire type instrument Moving coil type instrument Moving iron type instrument Electro-static type instrument Hot-wire type instrument Moving coil type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 7.5 % ± 20% ± 2.5% ± 1.5% ± 7.5 % ± 20% ± 2.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Has a low natural frequency. Should use a monitoring source at low input impedance. Should be used for high frequencies above 100 Hz. Should be used for low frequency. Has a low natural frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure None of the listed here Ac power only Dc power only Both AC and DC None of the listed here Ac power only Dc power only Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a source which is not the same as the unknown voltage From a battery Any of the above From the same source as the unknown voltage From a source which is not the same as the unknown voltage From a battery Any of the above From the same source as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
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