Will u plz give me simple diagram for tube light connection & also function of chock?

8 Answers   Bhushan Power Steel, Dalmia Group, Jindal, Practical Viva Questions, TCS, Windmoller,

---

How much CTs are required to measure th curent in DOL starting of motor?PLs explain.

1 Answers  

---

why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

---

What is resistance of 50meters, 16sq.mm, single core copper cable?

0 Answers  

---

what is the advantage of NiCd battery over Lead acid battery?

2 Answers   BARC,

---

---

what is meant by residual over voltage & residual earth fault ?

0 Answers  

---

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

0 Answers   ABB,

---

why we are used thermistor in motor

1 Answers  

---

Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

0 Answers   MPPTCL,

---

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

1 Answers  

---

what are the protection relays for trasformer

3 Answers  

---

what is slip resistance? how much its value in 110 kw motor? why voltage is varied in vvvf drive ?

1 Answers   Reliance,

---