What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

---

400Kv,can it be generated?why?

2 Answers  

---

Does the hysteresis loss is due to retentivity property of the material? or it is due to reluctance property?

2 Answers  

---

what is the difference between id fans and fd fans

12 Answers   Perkins Thermal Systems,

---

Why we use less dia. fuse and conductors at H.T. side, although we use higher dia. cables on L.t. side?

4 Answers   RRB,

---

---

why for transformer protection we protect tranformer from 3rd hormonics and 5th hormonics and what is the reason of generating these horminics in electrical system?

2 Answers   Essar, LG, OPS,

---

parallel operation for tansformer which condition fill fil for that

11 Answers   ITC Infotech, Suzlon,

---

Why efficiency in thermal power plant is low?

0 Answers  

---

lorteny method

0 Answers  

---

WHAT WILL HAPPEN IF WE START A MOTOR WITH STAR & IT IS RUNNING WITH STAR CONNECTION INSTEAD OF DELTA

3 Answers  

---

What is meant by Resonance what are the different types of resonance and what are uses of them?

14 Answers   Infosys, NTPC,

---

can we run three phase motor by single phase? and what happens if we do this

8 Answers   Kirloskar,

---