Rajkamal Sir (Engineers Platform) 📚📚

4. To avoid creeping error in the energy meter, which type of disc is used [SSC JE EE 2021]

5. The least number of 1 - 4 wattemeters required to measure total power consumed by an unbalanced load fed from a 34, 4 wire system is: [SSC JE EE 2014]

3. A varmeter is used to indicate the……………….[SSC JE EE 2017]

2. Which of the following does a power factor meter indicate? [SSC JE EE 2017]

1. What is the number of wattmeter required to measure the power of a poly phase of a poly phase system containing 'n' conductors? [SSC JE EE 2021]

5. Which of the following is used to measure the power in very high voltage circuits with a low rating wattmeter? [SSC JE EE 2021]

4. What is the angle between (in degrees) the planes of two moving coils of a dynamometer type 3-phase power factor meter? [SSC JE EE 2021]

3. A wattmeter is used to measure……………..[SSC JE EE 2018]

2. What will be the reading (in kW) of both the wattmeter used to measure the power of a three-phase three-wire system having the input of 7 kW and power factor is 1?

1. Which of the following produces braking torque in induction type energy meter? [SSC JE EE 2018]