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√3. 10. 20. 20√3. 10√3. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. It consist of two coils mounted at right angles to each other. The restoring torque is provided by a controlling torque. The deflection is proportional to phase angle between field coil and crossed coil. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It can be stated that CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT CT operates at almost the same flux density as a PT CT operates with a higher flux density than PT No generalisation can be made with regard to the flux densities in CT and PT CT operates with considerably lower flux density than a PT ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by 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 Time constant only Static sensitivity and damping coefficient Static sensitivity, damping coefficient and natural frequency of oscillations ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are parallel. perpendicular. inclined at 30o. inclined at 60o. parallel. perpendicular. inclined at 30o. inclined at 60o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1000 ohm. 10 ohm. 1 ohm. 100 ohm. 1000 ohm. 10 ohm. 1 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP