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 Any of the above From the same source as the unknown voltage From a battery From a source which is not the same as the unknown voltage Any of the above From the same source as the unknown voltage From a battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 100Hz 1kHz 50Hz 500Hz 100Hz 1kHz 50Hz 500Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure None of these Current Voltage Flux None of these Current Voltage Flux ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have Absence of frequency error Independence of ambient temperature High degree of measuring accuracy High sensitivity Absence of frequency error Independence of ambient temperature High degree of measuring accuracy High sensitivity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Moving iron voltmeter Induction type ammeter Permanent Magnet Type ammeter Moving iron ammeter Moving iron voltmeter Induction type ammeter Permanent Magnet Type ammeter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS