Measurement and Instrumentation Which of the following essential featuresis possessed by an indicating instrument? Damping device Deflecting device Controlling device All of the listed here Damping device Deflecting device Controlling device All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 2% 3% 4% 1% 2% 3% 4% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2√2V. 2V. √2V. Zero. 2√2V. 2V. √2V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Peak value. Peak to peak value. rms value. Average value. Peak value. Peak to peak value. rms value. Average value. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS