Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Moving iron Hot wire Thermocouple Dynamometer Moving iron Hot wire Thermocouple 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
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Rms value Mean value Full-scale value Measured value Rms value Mean value Full-scale value Measured value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are Any of the listed here One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1% ± 3.5% ± 1.5% ± 2.5% ± 1% ± 3.5% ± 1.5% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine inverse of measurand Sine of the measurand Square of the measurand Measurand Sine inverse of measurand Sine of the measurand Square of the measurand Measurand ANSWER DOWNLOAD EXAMIANS APP
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