Answer / thowsif_csm team_emerson

Hi,

Log on to
http://en.wikipedia.org/wiki/Brushless_DC_electric_motor

Answer / shery

check out howstuffworks.com .. its really cool

Answer / rajasekhar

we cant collect current as there are no brushes after the
commutation process

Answer / ramya

hi how r u ? ya but iam not clear in it friend if any other
link you know means plz me thowsif

Z transform is use when system is not a) converges b) diverges

0 Answers   CCP,

---

Formulae for calculating the transmission line losses for different voltage levels

0 Answers  

---

what are ABCD curves in MCBs and how we observe that curves?

2 Answers  

---

what is power frequency withstand and impulse withstand of a circuit breaker?

2 Answers   Power Grid,

---

Radio Carbon dating is used in a) find diseases b) find the age of relics c) find the carbon content in the atmosphere d) none of these

2 Answers  

---

---

why 3 phase is converted into 2 phase using electronics circuit why not 2 phases are diresctly putted from the 3 phase transformer??

0 Answers   Descon,

---

Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

---

What is mean A32 B32 C32 D32 in mcb(miniature circuit breaker)

2 Answers  

---

america 60hz electric supply is used; but india it is 50hz; why? and if we use 60 hz supply what changeg has to be done or all the equipment has to be thrown which has rating of 50hz frequincy

1 Answers  

---

how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

0 Answers  

---

Why are calling lagging power factor is a inductive load?

2 Answers  

---

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,

---