Measurement and Instrumentation A galvanometer has Fluid friction damping Air friction damping Eddy current damping Spring coil damping Fluid friction damping Air friction damping Eddy current damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The main advantage of Anderson bridge over Maxwell bridge is that attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. reduction of the cost. attaining balance condition is easier. balance equation independent of frequency. measures high Q inductors. reduction of the cost. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series Series-parallel Parallel None of the listed here Series Series-parallel Parallel None of the listed here 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 For handling greater currents induction watt-meters are used in conjunction with Power transformers Potential transformers Either of the above Current transformers Power transformers Potential transformers Either of the above Current transformers ANSWER DOWNLOAD EXAMIANS APP
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