Measurement and Instrumentation A CRO can display DC signals AC signals Time invariant signals Both AC and DC signals DC signals AC signals Time invariant signals Both AC and DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following quantities consists of S.I. unit as Hertz? Frequency Power Force Charge Frequency Power Force Charge ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be None of the listed here Almost zero Low High None of the listed here Almost zero Low High 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 A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Ballastic galvanometer Flux meter Voltmeter Ammeter Ballastic galvanometer Flux meter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error? 4% 2% 5% 3% 4% 2% 5% 3% ANSWER DOWNLOAD EXAMIANS APP
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