Diffrectiate between earthing and neutral

6 Answers   TATA,

---

Can a 5 core cable one end with a 32A 3p+N+E plug and the other end 32A 3p+E be used on a generator?

1 Answers  

---

Relation between Sq.mm of wire and Its current carrying capacity?

5 Answers  

---

How to take Vector group test of Transformer?

16 Answers   Sunflag Steel, Zuari Cements,

---

What is open loop and control loop systems?

0 Answers  

---

what is the diffrence between preventive maintinance corrective maintinance?

7 Answers   Siemens,

---

Why voltge arev transformed in to 132KV/66/KV/33KV like that

5 Answers   HAL,

---

generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

0 Answers  

---

what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

2 Answers  

---

In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

0 Answers  

---

what is skin effect? why is it absentin dc system

22 Answers  

---

HOw can we calculate power factor at HT side.

6 Answers  

---