Answer Posted / sanjay

copper

If mutual flux is 1.2wb & power factor is 0.8 lag , then what is the Useful flux of a transformer?

4474

---

determine two methods to find loose connection in operational electrical system?

1675

---

what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

2106

---

WHAT IS THE PARTIAL DISCHARGE TEST?

2107

---

How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

1835

---

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1900

---

WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?

1961

---

What Is HO factor in power selection

2064

---

which VFD is better ( LT or HT)

2056

---

If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?

2311

---

Explain about p.t?

1074

---

How do u analyse protection fault when vcb tripping on load

1639

---

How many types oil using in transformer ? How many letars using in transformer..?

2099

---

sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2170

---

The moisture in air will condense at

1177

---