Measurement and Instrumentation In a megger controlling torque is provided by Coil Eddy current Spring Gravity Coil Eddy current Spring Gravity 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 100 µNm. 200 µNm. 1 µNm. 2 µNm. 100 µNm. 200 µNm. 1 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure Both AC and DC Dc power only None of the listed here Ac power only Both AC and DC Dc power only None of the listed here Ac power only 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 Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase Active power of Y phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Linearity error Static error Dynamic error Standard deviation of error Linearity error Static error Dynamic error Standard deviation of error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic potential. Magnetic field intensity. Flux density. Relative permeability. Magnetic potential. Magnetic field intensity. Flux density. Relative permeability. ANSWER DOWNLOAD EXAMIANS APP
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