Ques.11. A single phase full bridge inverter can be operated in load commutation mode in case when the load consists of
- RL
- RLC underdamped
- RLC over Damped
- RLC critically damped
Ques.12. Which of the following relay is preferred for phase fault on the short transmission line
- Reactance Relay
- Impedance Relay
- MHO relay
- Induction type Relay
Ques.13. Wave winding is preferred for which of the following rating?
- Low current and low voltage
- High current and high voltage
- Low current and high voltage
- High current and low voltage
Ques.14. Materials having a high dielectric constant which are non-linear are known as
- Elastomers
- Ferroelectric materials
- Super dielectrics
- Hard dielectrics
Ques.15. The melting point of carbon is
- 2000°C
- 2500°C
- 3000°C
- 3550°C
Ques.16. The chemical with the lowest melting point is
- Helium
- Carbon
- Aluminum
- Sodium
Ques.17. A body contains electrons more than its normal number has
- Positive charge
- Negative charge
- No charge
- None of these
Ques.18. Any charged conductors, which receives electricity from the earth when connected to it, is said to be
- Positive potential
- No potential
- Negative Potential
- None of these
Ques.19. When the resistance are connected in the parallel circuit then
- Branch current are additive
- Conductance are additive
- Power are additive
- All of the above
Ques.20. Which of the following generators have two field windings?
- Series wound generator
- Shunt wound generator
- Compound wound generator
- All of the above