Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 30o. 63.25o. 150o. 105.6o. 30o. 63.25o. 150o. 105.6o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Frequency measurment modes only. Period measurment modes only. Period and frequency measurement modes respectively. Frequency and period measurment modes, respectively. Frequency measurment modes only. Period measurment modes only. 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 0.6 lag. 0.917 lead. 0.6 lead. 0.917 lag. 0.6 lag. 0.917 lead. 0.6 lead. 0.917 lag. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? CRO VTVM Moving coil voltmeter Moving iron voltmeter CRO VTVM Moving coil voltmeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Hot wire Dynamometer Moving iron Thermocouple Hot wire Dynamometer Moving iron Thermocouple ANSWER DOWNLOAD EXAMIANS APP