Answer / rakesh kumar

believe me though extensive but u cant get a better book
for any topic of power system than jb gupta

Answer / hm

" SWITCHGEAR PROTECTION AND POWER SYSTEM " by SUNIL S. RAO

1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

3 Answers   IOCL,

---

what is magnetizing current test in power transformer

0 Answers   ABB,

---

where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

---

How to work meggar?

0 Answers   Anand I-Power,

---

what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

8 Answers   Lanco,

---

substation+ plc system

0 Answers  

---

what is differnce btwen lll and lllg faults

0 Answers  

---

how one can design armature winding bothh front and back connection

1 Answers  

---

Why in celling fan stator are rotatig while rotor are steday

6 Answers  

---

what is main reason for grid earthing for any industry

4 Answers  

---

apti mainly on logical reasoning, verbal and non-verbal ability (70 percent) and remaining technical. I was in ee but technical had mech ques like on turbines and welding.

0 Answers   TATA,

---

why fan consume constant power even when we increase or decrease its circuit resistance through speed regulator???

2 Answers  

---