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