Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 3 kWh 2 kWh 4 kWh 1 kWh 3 kWh 2 kWh 4 kWh 1 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Thermocouple Moving iron Hot wire Dynamometer Thermocouple Moving iron Hot wire Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as newton-second? velocity Impulse Speed Acceleration velocity Impulse Speed Acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Rb).Ra. (Rc/Ra).Rb. (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Rb).Ra. (Rc/Ra).Rb. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. A source other than the source of unknown voltage. The same source as the unknown voltage. A battery. Any of above. A source other than the source of unknown voltage. The same source as the unknown voltage. A battery. ANSWER DOWNLOAD EXAMIANS APP