Answer Posted / pradeep kr. singh

No any gas used in VCB.

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2183

---

Define corner frequency?

1211

---

What is ramp signal?

1116

---

what is the difference between ac motor and dc generator

1867

---

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1870

---

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1829

---

does buccholz in a transformer use batteries

4889

---

sir pls tell me . our ct specifications are 120/5 ,2 core , 0.2 and 5p10 class , 30va and 30va buden. insted of 30 va i want use 15 va. can i use?

1519

---

How halogen & merquery lamp works.

2174

---

Why neutral cable carry current.

1988

---

which type of effect of turbine and generator reverse power protection ?

4197

---

why i can not use thimble on capacitor duty contactor

1368

---

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1972

---

What is CCT (Correlated Color Temperature) ?

1965

---

Which is the oldest hydropower plant in india?

1160

---