Measurement and Instrumentation The form factor in AC is the ratio of Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value Peak value to average value Rms value to average value Peak value to rms value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP
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 lead. 0.917 lag. 0.6 lag. 0.6 lead. 0.917 lead. 0.917 lag. 0.6 lag. 0.6 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Hot wire Moving iron Dynamometer Thermocouple Hot wire Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. 18.2 rpm. 16.02 rpm. 21.1 rpm. 12.8 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ is used to measure the flow of air around aeroplane. nucleus. Orifice. Venturimeter. Anemometer. nucleus. Orifice. Venturimeter. Anemometer. ANSWER DOWNLOAD EXAMIANS APP