Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 15 V. 10.6 V. 11.1 V. 12.6 V. 15 V. 10.6 V. 11.1 V. 12.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Current Temperature Voltage Both Voltage and Temperature Current Temperature Voltage Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is 2% 4% 3% 1% 2% 4% 3% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 795 W. - 597 W. + 597 W. - 795 W. + 795 W. - 597 W. + 597 W. - 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument Hot-wire type instrument Electro-static type instrument Moving iron type instrument Moving coil type instrument ANSWER DOWNLOAD EXAMIANS APP