Measurement and Instrumentation The difference between the measured value and the true value is called relative error gross error probable error absolute error relative error gross error probable error absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect magnitude, phase and waveform of the quantity being measured. both of above. only phase of the quantity being measured. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only phase of the quantity being measured. only the magnitude of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Increases None of the listed here Remains same Decreases Increases None of the listed here Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Electrostatic Rectifier Moving coil or iron Induction Electrostatic Rectifier Moving coil or iron Induction 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
Measurement and Instrumentation What is the expression for momentum? mass × acceleration mass × velocity change of velocity / time force × displacement mass × acceleration mass × velocity change of velocity / time force × displacement ANSWER DOWNLOAD EXAMIANS APP