Measurement and Instrumentation The moving coil-meters, damping is provided by the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. the aluminium frame of the coil. the coil spring attached to the moving. eddy current disk. damping vane in the airtight chamber. the aluminium frame of the coil. 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 perpendicular. inclined at 60o. parallel. inclined at 30o. perpendicular. inclined at 60o. parallel. inclined at 30o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Schering bridge is used to measure which of the following? Capacitance. Inductance. Resistance. Frequency. Capacitance. Inductance. Resistance. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 2.66 %. 1 %. 2 %. 3.33 %. 2.66 %. 1 %. 2 %. 3.33 %. ANSWER DOWNLOAD EXAMIANS APP
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