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 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. resistance variation due to temperature. it has high sensitivity. effect of contact and lead resistance is eliminated. there is no thermo electric emf. resistance variation due to temperature. it has high sensitivity. effect of contact and lead resistance is eliminated. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? mass × acceleration force × displacement change of velocity / time mass × velocity mass × acceleration force × displacement change of velocity / time mass × velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Induction type. Multipliers. Dynamo-meter type. Moving iron type. Induction type. Multipliers. Dynamo-meter type. Moving iron type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates RMS value Peak to peak value of voltage Average value DC value of voltage RMS value Peak to peak value of voltage Average value DC value of voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 0. 450 mWb. 225 mWb. 1000 mWb. 0. 450 mWb. 225 mWb. 1000 mWb. ANSWER DOWNLOAD EXAMIANS APP
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