Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 50Hz 1kHz 500Hz 100Hz 50Hz 1kHz 500Hz 100Hz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as absolute error. None of these ratio of absolute error and true value. true error. absolute error. None of these ratio of absolute error and true value. true error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 1% 1.2% 0.5% 1.5% 1% 1.2% 0.5% 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 To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken 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 Any of the above ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure None of these Flux Voltage Current None of these Flux Voltage Current ANSWER DOWNLOAD EXAMIANS APP
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