what is DAR test?

2 Answers   Al-Naboodah, ISRO, ONGC,

---

In MEP Services what are parts of STP and what are there function?

0 Answers   Tenon,

---

critical losses of transformer

3 Answers   EEEC,

---

What is the diffrence between an ELCB(earth leakage circuit breaker) and RCCB(residual current circuit breaker)?which has higher degree of safety and why?

2 Answers  

---

How to calculate the current rating of power cables ?

1 Answers  

---

Why only sinusoidal ac voltages are generated?why not triangular or sawtooth?

0 Answers  

---

In case of 3 phase motor why it is called single phasing by failure of one phare unless there is rest two phase are acting. ?

3 Answers  

---

What is the difference between earthed and unearthed cable

5 Answers   FT, L&T, Suzlon,

---

When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

0 Answers  

---

What happens if ac excitation is given to the field of an alternator

3 Answers   Aurobindo,

---

Currently what is the highest capacity (MVA) of SPPg generator available in the market?

0 Answers   SPPG,

---

Why is the starting current high in dc motor?

0 Answers  

---