Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 5 A None of the listed here 2.5 A 0 A 5 A None of the listed here 2.5 A 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms None of the listed here The bridge cannot be balanced The bridge can always be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge cannot be balanced The bridge can always be balanced The bridge can be balanced if the resistance have some specific values ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in Wh VAR kW kWh Wh VAR kW kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 30° 90° 0° 120° 30° 90° 0° 120° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they take least time in measurement. because they are expensive. when a high accuracy of measurement is required. because they are most simple. because they take least time in measurement. because they are expensive. when a high accuracy of measurement is required. because they are most simple. 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% 0.5% 1.2% 1.5% 1% 0.5% 1.2% 1.5% ANSWER DOWNLOAD EXAMIANS APP