Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 10. 10√3. 20. 20√3. 10. 10√3. 20. 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 0 W. 100 W. 50 W. 25 W. 0 W. 100 W. 50 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 50V 111V 90V 100V 50V 111V 90V 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Time constant only Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Time constant only Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant ANSWER DOWNLOAD EXAMIANS APP
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