Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. Voltmeter having sensitivity of 1 KW/V. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following statement are correct in case of power factor meter? Both B and C. It consist of two coils mounted at right angles to each other. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. Both B and C. It consist of two coils mounted at right angles to each other. The deflection is proportional to phase angle between field coil and crossed coil. The restoring torque is provided by a controlling torque. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Current transformers Either of the above Power transformers Potential transformers Current transformers Either of the above Power transformers Potential transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 5% 1% 3.33% 2% 5% 1% 3.33% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 100 V 12 V 6 V 40 V 100 V 12 V 6 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 0.3 N 3.33 N 6.66 N 0.15 N 0.3 N 3.33 N 6.66 N 0.15 N ANSWER DOWNLOAD EXAMIANS APP