which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

---

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

0 Answers   NTPC,

---

what is the difference between on line UPS & INVERTOR

2 Answers  

---

sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?

2 Answers   Kirloskar,

---

how we can calculate the efficiency of a diesel generator ?

0 Answers  

---

---

what is difference between ELCB, RCBO & MCB

2 Answers  

---

When we give supply to a transformer 11 kv and we get 415v from it, so when we give supply to same transformer 415v on ht side what we get? and When we gives supply to any transformer to L.T. side 415v or 220v What supply is on H.T. side?

2 Answers   Ashoka Electricals,

---

What is basic impulse insulation level? And how it is calculated for sub- station?

2 Answers  

---

Which Class insulation is prefered for the sandwich Busducts ? Why?

0 Answers  

---

In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.

0 Answers  

---

PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

2 Answers   Siemens, UPL,

---

Which is capital of Indian State Tripura ?

13 Answers   RRB,

---