Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit moderately. It loads the circuit to maximum extent. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with known quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. is a comparison of an unknown quantity with known quantity. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A shunt resistance Shunt capacitance Series resistance A series inductance A shunt resistance Shunt capacitance Series resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly Damping Controlling None of the listed here Deflecting Damping Controlling None of the listed here Deflecting ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electromagnetic coupling Both A and B None of these Electrostatic coupling Electromagnetic coupling Both A and B None of these Electrostatic coupling 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. + 597 W. + 795 W. - 597 W. - 795 W. + 597 W. + 795 W. - 597 W. ANSWER DOWNLOAD EXAMIANS APP