Measurement and Instrumentation The internal resistance of an ammeter should be Medium Very small Infinity High Medium Very small Infinity High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. integrating. recording. indicating. absolute. integrating. recording. indicating. absolute. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 400 Hz. 250 Hz. 500 Hz. 625 Hz. 400 Hz. 250 Hz. 500 Hz. 625 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same number of turns but different dimensions The same dimension but different number of turns The same dimensions and the same number of turns None of these The same number of turns but different dimensions The same dimension but different number of turns The same dimensions and the same number of turns None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. A battery. The same source as the unknown voltage. Any of above. A source other than the source of unknown voltage. A battery. The same source as the unknown voltage. Any of above. ANSWER DOWNLOAD EXAMIANS APP