Answer Posted / dinesh kumar

1.To measure earth resistance we use Earth Resistance
Meter/Megger.
2.In this Megger there are three terminals
Line,Nuetral&Earth.
3.Line & Nuetral are connected to two terminals and EARTH
Terminal to earth pit to be measured for resistance.

What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

1293

---

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

1497

---

What is the difference between single point and double point bonding. please kindly detail about bonding of cables.

2386

---

Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

2569

---

I WANT BHEL PREVIOUS QUESTION

2283

---

percetans

2126

---

I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

1357

---

what are the advantages and disadvantages of speed control of 3 phase induction motor by varying frequency explain with drawing

2609

---

Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

1959

---

what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

1547

---

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

1889

---

what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

2315

---

wat system call?

1916

---

What is power factor why we should maintain the power factor unless what will happen

1823

---

i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

2174

---