Answer Posted / vipul tayal

transformer oil is also called as mineral oil which is free
from FATTY acids. as the function of oil are
1.)to provide proper cooling
and it has all the necessary important properties like high
ignition temp.,no sludge formation,low resistance to
imulsion,etc. thats why we use this oil as transformer oil.

What is speed mode?

1723

---

I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

1824

---

why the difference arise between HT reading & LT reading (submeters fixed in complexes, apartments etc)if the power factos exceed from 0.9 to 1 can the ht meter reads fast?

2971

---

Why AC current leads voltage in capacitor and how?

2156

---

What is capacitance?

1237

---

What is the most important precaution in any experiment with d.c. Shunt motor?

1268

---

In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

2034

---

In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1716

---

What do you mean by passive circuit elements and why these are called passive?

1199

---

What is Bolted fault?

2214

---

what the Microsoft .NET framework is?

2010

---

How is the percentage impedence of a transformer fixed at design stage???

1986

---

what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

1642

---

what is Fan Control Cubicle

2489

---

what is plunger and what's the use of it in motor alignment?

2651

---