Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Power factor meters. Instrument transformer. Energy meter. Wattmeters. Power factor meters. Instrument transformer. Energy meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 90V 111V 100V 50V 90V 111V 100V 50V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as true error. absolute error. None of these ratio of absolute error and true value. true error. absolute error. None of these ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms 2 Ohms 1 Ohm 49.99 Ohms 1/49.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.5% & 98.75% 1.25% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.5% & 98.75% 1.25% & 98.75% 1.5% & 99% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 6.66 V. Zero. 4.20 V. - 3.33 V. 6.66 V. Zero. 4.20 V. ANSWER DOWNLOAD EXAMIANS APP
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