why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

2 Answers  

---

why does rotor rotets?

0 Answers   IBM,

---

what can i do line to line fault

4 Answers  

---

sir, in a industry present pf is 0.54 pf 25hp power is there its want improve 0.9 pf. which suitable capacity capacitor is suitable please inform me.

2 Answers  

---

HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?

6 Answers   Equate, Ion Exchange,

---

---

what is the earthing condition between earth & phase.

3 Answers   ABB,

---

what is load cell

3 Answers   TATA, Wipro,

---

Why CT secondary is grounded?

11 Answers   GE,

---

what is AVR? what is the function of AVR?

2 Answers  

---

wat do knw aboot circuit breakers ?

9 Answers   IOCL,

---

Brief use of isolation transformer & how it works.

1 Answers  

---

What is mean by INRUSH CURRENT?

8 Answers  

---