Answer Posted / k.prakashchandra

To remove the leakage voltage from primary due to mutual capacitance

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

1944

---

What are the advantages and disadvantages of the dc motors?

1186

---

Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

3193

---

What technology is used in latest generators?

2161

---

How much ph is maintained of water resistance starter for slipring induction motor ?

2462

---

FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

3459

---

How we calculate the Multiplying Factor of Kwh meter for 3 phase alternator.

1945

---

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2243

---

what is the meaning of osr in transformer.

2224

---

In general bus riser follows the bus section in SWGR. What are impacts if bus section follows bus riser?

1635

---

what is interpose? where it is used and why it is used?

1092

---

when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1767

---

What is resonant frequency?

1345

---

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

2008

---

i have interview in Pepsi company what type of question will ask please send the question and answeer

3523

---