Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.917 lag. 0.917 lead. 0.6 lag. 0.6 lead. 0.917 lag. 0.917 lead. 0.6 lag. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standard resistor ia made from Platinum Manganin Nichrome Silver Platinum Manganin Nichrome Silver ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Moving iron instruments have _____ scale. Uniform Squared None of the listed here Log Uniform Squared None of the listed here Log ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Ripples of the DC supply. Stray thermal emfs. Stray magnetic fields. Errorneous standardisation. Ripples of the DC supply. Stray thermal emfs. Stray magnetic fields. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
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