how do you tell if a avalanche button diode is a p or an

1 Answers  

---

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

0 Answers  

---

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

---

is it possible to run a dc motor on ac supply with good performance.....?

3 Answers  

---

Can I use 1 phase power supply to run 3 phase motor? If yes, how?

6 Answers   Enercon,

---

---

Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

1 Answers   ACC,

---

how to calculate the load on transformer..????

2 Answers   Bhel,

---

can anybody sent me power grid questions. what subject should i prefer for preparation?

0 Answers   Reliance, Vascon,

---

Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

---

You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

---

How does the humidity affect in breakdown voltage of air?. Is the breakdown voltage increases with the humidity?

2 Answers  

---

A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

---