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. Any of above. A source other than the source of unknown voltage. The same source as the unknown voltage. A battery. Any of above. A source other than the source of unknown voltage. The same source as the unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should be used for low frequency. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should use a monitoring source at low input impedance. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Has a low natural frequency. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is not correct explanation of A. A is ture and R is false. Both A and R are true and R is correct explanation of A. A is false and R is ture. Both A and R are true and R is not correct explanation of A. A is ture and R is false. Both A and R are true and R is correct explanation of A. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Wheatstone bridge Ohmmeter Voltmeter and ammeter Potentiometer Wheatstone bridge Ohmmeter Voltmeter and ammeter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 6.09 A. 4.06 A. 2.03 A. 5 A. 6.09 A. 4.06 A. 2.03 A. 5 A. ANSWER DOWNLOAD EXAMIANS APP
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