31. Creeping error in energy meter is due to . . . . . . . . voltage.
32. Consider the following regarding essential functional operations of a digital data acquisition system:
1. Handling of analog signals
2. Converting the data to digital form and handling it
3. Making the measurement
4. Internal programming and telemetry
Which of the above are valid in the stated context?
1. Handling of analog signals
2. Converting the data to digital form and handling it
3. Making the measurement
4. Internal programming and telemetry
Which of the above are valid in the stated context?
33. A Pneumatic amplifier
34. Consider the following devices:
1. Anemometer
2. Stroboscope
3. Accelerometer
The correct sequence of these devices to measure the rotational speed, vibration and airflow, respectively is,
1. Anemometer
2. Stroboscope
3. Accelerometer
The correct sequence of these devices to measure the rotational speed, vibration and airflow, respectively is,
35. In the given circuit, C0 is the distributed capacitance of the coil and C is the tuning capacitor. If C = C1 for the fundamental frequency and C = C2 for the second harmonic, then the value of C0 can be expressed a
36. Telephone traffic is measured
37. Two sinusoidal signals of the same frequency are displayed on a dual-trace oscilloscope. One complete cycle of each signal covers 6 cm of the horizontal scale and the starting point be the horizontal scale and the starting point of the two signals are separated by 0.5 cm. The phase difference between the two signals in degrees is
38. In permanent magnet moving coil instruments, damping torque is provided by
39. In an electromagnetic blood flow meter, the induced EMF is directly proportional to:
40. Digital multimeter display is generally . . . . . . . . digits.
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