Measurement and Instrumentation What is the standard unit for length ? Kilometer Meter Centimeter Inch Kilometer Meter Centimeter Inch ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect both of above. only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only the magnitude of the quantity being measured. only phase of the quantity being measured. magnitude, phase and waveform of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 32.56 W . 28.12 W. None of these 25.45 W. 32.56 W . 28.12 W. None of these 25.45 W. 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 25 W. 50 W. 0 W. 100 W. 25 W. 50 W. 0 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures rms value. Peak to peak value. Peak value. Average value. rms value. Peak to peak value. Peak value. Average value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. The bridge can not be balanced. The bridge is balanced for some specified value of frequency. The bridge is balanced for some specified value of R1, R2, R3. The bridge can be balanced. The bridge can not be balanced. ANSWER DOWNLOAD EXAMIANS APP