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 None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A 2.5 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Wheat stone bridge Megger Kelvin's double bridge None of the listed here Wheat stone bridge Megger Kelvin's double bridge None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instruments do not have Independence of ambient temperature High sensitivity Absence of frequency error High degree of measuring accuracy Independence of ambient temperature High sensitivity Absence of frequency error High degree of measuring accuracy ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used instruments in power system measurement are Moving coil or iron Induction Rectifier Electrostatic Moving coil or iron Induction Rectifier Electrostatic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Rms value to average value Rms value to peak value Peak value to rms value Peak value to average value Rms value to average value Rms value to peak value Peak value to rms value Peak value to average value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS