Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? None of these Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter None of these Small range moving coil voltmeter C. potentiometer Small range thermocouple voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Symmetric errors are Environment errors Observational errors Instrument errors All of the listed here Environment errors Observational errors Instrument errors All of the listed here 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. A is false and R is ture. Both A and R are true and R is not correct explanation of A. Both A and R are true and R is correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is not correct explanation of A. Both A and R are true and R is correct explanation of A. A is ture and R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Either of the above Current transformers Power transformers Potential transformers Either of the above Current transformers Power transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 1kHz 500Hz 50Hz 100Hz 1kHz 500Hz 50Hz 100Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. higher response time. large time constant. All of these high inertia. higher response time. large time constant. All of these ANSWER DOWNLOAD EXAMIANS APP
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