Measurement and Instrumentation An ammeter is a Secondary instrument Absolute instrument Integrating instrument Recording instrument Secondary instrument Absolute instrument Integrating instrument Recording instrument 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 In flux meter, the controlling torque is produced by crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. ideally zero. small. high. very high. ideally zero. small. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range thermocouple voltmeter None of these C. potentiometer Small range moving coil voltmeter Small range thermocouple voltmeter None of these C. potentiometer Small range moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square of current through coil Sine of measured Square-root of current through coil The current through coil Square of current through coil Sine of measured Square-root of current through coil The current through coil ANSWER DOWNLOAD EXAMIANS APP
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