Rajkamal Sir (Engineers Platform) 📚📚

2. For any type of consumer the ideal tariff is

1. Which of the following are not repayable after a stipulated period ?

5. Bridge of four resistors can function as a normal _______________.

4. ____________ rectifier consists of center-tapped transformer.

3. Half power is wasted in __________ rectifiers?

2. How many diodes a half wave rectifier has?

1. ________ possess low power ratings in comparison to rectifiers.

5. While using three-phase transformers, care is taken about the third harmonics current in the system. This is present when the transformer set is delta on either side.

4. A 400 V, 10 KVA transformer at 50 Hz is operated at a frequency of 40 Hz; then the humming ___________

3. When we magnetize the ferromagnetic core of the transformer, the core length_______ and it ______ when demagnetized.

2. If a paramagnetic core is used in the place of the ferromagnetic core of the transformer, then magnetostriction will ___________

8. If one of the transformers is removed from the bank of only delta-delta, then it behaves with 58% power delivery.