In Railway,why we are used HT Line 25KV ?.why we are not used 11KV,33KV and others for This?

37 Answers   Airtel, BSNL, RRB,

---

if the synchronizing b/w generator and busbar not complete and we close the out going circuit breaker of generator then what happen ?

4 Answers  

---

One of the advantages of HRC fuse links is that they can be used to back up equipment with an inadequate rupture rating. briefly discuss what this means

1 Answers  

---

What causal system?

1 Answers   NTPC,

---

Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

0 Answers   DAE,

---

is it necessarry to charge the battery of ups always??

3 Answers  

---

Please tell me ceilingfan sweep means. Commenly we used sweep1200mm and 600mm MMENLY WE USED CEILINGFAN SWEEP1200MM AND SWEEP600MM

1 Answers  

---

how the speed of the gets motor regulated. does it draw the same current on the all speed level.

0 Answers   Danko,

---

how encoder works?

1 Answers   ITC Infotech,

---

What is the value of 3 phase voltage?

8 Answers   RECPDCL,

---

Why is starter necessary for a three-phase induction motor?

37 Answers   BMM, Essar, Hero MotoCorp, ITI, Maruti Suzuki, Supertech, Watt,

---

what is auto transformer

3 Answers   IBM,

---