Measurement and Instrumentation PMMC type instruments normally use Eddy current damping Air friction damping None of these Fluid friction damping Eddy current damping Air friction damping None of these Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The multiplier and the meter coil in a voltmeter are in Series-parallel None of the listed here Series Parallel Series-parallel None of the listed here Series Parallel 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 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 Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one the following statements is correct? The application of the instrument in wrong manner in the procedure of measurement results in a/an gross error systematic error instrument error random error gross error systematic error instrument error random error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Power transformers Current transformers Either of the above Potential transformers Power transformers Current transformers Either of the above ANSWER DOWNLOAD EXAMIANS APP
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