Measurement and Instrumentation Which of the following are integrating instruments? Wattmeters Ammeters Ampere hour and watt hour meters Voltmeters Wattmeters Ammeters Ampere hour and watt hour meters Voltmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Current transformers Power transformers Both current and potential transformers Pottential transformers Current transformers Power transformers Both current and potential transformers Pottential transformers 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
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 moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Any of the listed here Battery Ac generator Permanent magnet dc generator Any of the listed here Battery Ac generator Permanent magnet dc generator ANSWER DOWNLOAD EXAMIANS APP