If the circuit breaker will not close or it will trip, what will you do?

3 Answers  

---

HOw can we calculate power factor at HT side.

6 Answers  

---

why we can stote dc? why we cant store ac?

0 Answers  

---

what's the thickness of 1.5sqmm wire

1 Answers   Bhel,

---

what is the difference between RMS meter and normal meter

3 Answers   TATA,

---

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

---

why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

---

Why the power factor of the alternator in power plant is kept .8 lagging. Can't we maintain it at 1.

3 Answers  

---

whether a separate starter is used for a motor while it is connected to a vvvf panel?

2 Answers  

---

why the transformer was not rotating like a motor?

5 Answers   TATA,

---

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

0 Answers   UltraTech,

---

On what cycle does thermal power plant operate?

0 Answers  

---