Answer Posted / bvyankatesh

Dc means single polarity supply, when dc supply is given battery is charged with positive polarity only and on application of loaddstorage energy in battery will discharge. tut if there is a.c. supply is given then after each half cycle polarity of supply get reverse it lead to maintain stored energy's in battery is zero.

High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

1628

---

why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

1729

---

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1553

---

how solar power plant energy meter multiplication factor

1588

---

How to calculate the phase to phase clearness of HT /// LT bus bar?????

1584

---

---

WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

1656

---

Where is the best place to mount  distribution panel in a house.

1625

---

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1149

---

1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?

1588

---

WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

1922

---

What if the difference beween internal and exrteranal LBB?

1210

---

How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?

1250

---

what is the maximim current drawn by 1 phase and three phase welding machine

1442

---

What is The Resistance Formula

775

---

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

1452

---