Can a dc motor works as a dc generator. If yes , then how?

2 Answers  

---

What will happen if 40W and 60W Bulb is Connected in Series.

2 Answers  

---

how vector surge relay works ?

3 Answers   BFL,

---

i need the details about bhel exam.how to apply for that.please send to my email-id.thenmozhi2k7@gmail.com

0 Answers  

---

how we calculate the 30 KW 3phase electric motor current on noload

23 Answers   Monnet, Siemens, SSR, Supermac Industries,

---

Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

---

How to calculate wire length,size & current? ( related to control panel)

0 Answers   FSS, GK Controls, Panel Tech,

---

how power is generated,and transmitted to our home..pls explain briefly in simple words.

0 Answers   HAL, Subros,

---

How to select batteries required for ups and the inverter if we Known load? And how AH is selected of battery?

0 Answers   Vodafone,

---

What is triac?

3 Answers   NTPC,

---

I have applied the post Junior Engineer-iii(c&w)in R.R.B chennaI recently . can i get any model question paper LAST 4 YEARS?

2 Answers   Data Entry Operator, RRB, SSC,

---

what sis the testing procedure of transformer and ht panel?

1 Answers  

---