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% & 99% 1.25% & 98.75% 1.5% & 98.75% 1.25% & 98.25% 1.5% & 99% 1.25% & 98.75% 1.5% & 98.75% 1.25% & 98.25% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 2 V 1 V 0.5 V 1.5 V 2 V 1 V 0.5 V 1.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Moving coil or iron Induction Rectifier Electrostatic Moving coil or iron Induction Rectifier Electrostatic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A single phase load is connected between R and Y terminals of a 415 V, symmetrical, 3-phase, 4 wire system with phase sequence RYB. A wattmeter is connected in the system as shown in figure. The power factor of the load is 0.8 lagging. The wattmeter will read + 795 W. - 795 W. + 597 W. - 597 W. + 795 W. - 795 W. + 597 W. - 597 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? None of these Fundamental quantity Numerical quantity Derived quantity None of these Fundamental quantity Numerical quantity Derived quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Sine of measured Square-root of current through coil The current through coil Square of current through coil Sine of measured Square-root of current through coil The current through coil Square of current through coil ANSWER DOWNLOAD EXAMIANS APP
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