Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 1.5% ± 7.5 % ± 2.5% ± 20% ± 1.5% ± 7.5 % ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The household energymeter is An integrating instrument An indicating instrument A recording instrument None of the listed here An integrating instrument An indicating instrument A recording instrument None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken Any of the above From a battery From a source which is not the same as the unknown voltage From the same source as the unknown voltage Any of the above From a battery From a source which is not the same as the unknown voltage From the same source as the unknown voltage 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 + 597 W. - 795 W. - 597 W. + 795 W. + 597 W. - 795 W. - 597 W. + 795 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping None of these Eddy current damping Air friction damping Fluid friction damping None of these Eddy current damping Air friction damping ANSWER DOWNLOAD EXAMIANS APP
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