Answer / rishi barnawal

Best compromise is achieved by choosing 3 blades between equilibrium, cost and weight of fan.

Answer / nba

The torque required to run more than three blade fan goes on
increasing as no. of blades increase. Thus, Three Blade Fan
is ideal..

Answer / himanshu chudasama

Its an simlpe as per angle placement as well as balacing
formula angle should be 120 degree minium and if we
consider 360 for round air cathcment area for fan 360
divide by 120 so we will get 3 blades minimum kept for fan
for the balanced efficient use of it.

Answer / ramesh

because of the equlibrium balancing capability of the 120
degree apart placing of the wings

how to claculate the ups load in KVA pls give the if any fourmoul?

4 Answers  

---

If a 3 phase transformer is a 500 kva using the formulae 500kva= 500000/433 x 1.732 = 666.71amps does this mean that each phase on the secondary side is 666.71

3 Answers   Saffron,

---

My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

---

Transformer Parallel Operations

1 Answers  

---

What Maximam Gap Taibaar & Bush

0 Answers   Bajaj,

---

what is ten delta ?

2 Answers   ABB, Areva,

---

what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 Answers  

---

can any one know is sbi interview based on merit or based on roll number

0 Answers  

---

exact difference between electronicsand electrical

5 Answers  

---

in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.

0 Answers  

---

how can a transformer test by megger?

1 Answers  

---

what is the tolerance of electrical frequency for India? it's .5% or 1%?

8 Answers   Engro,

---