Why the ceiling fan has three blades, why not two,four or
five?
Answers were Sorted based on User's Feedback
Answer / rishi barnawal
Best compromise is achieved by choosing 3 blades between equilibrium, cost and weight of fan.
| Is This Answer Correct ? | 8 Yes | 0 No |
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..
| Is This Answer Correct ? | 13 Yes | 6 No |
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.
| Is This Answer Correct ? | 21 Yes | 22 No |
Answer / ramesh
because of the equlibrium balancing capability of the 120
degree apart placing of the wings
| Is This Answer Correct ? | 5 Yes | 17 No |
define IDMT relay?
15 Answers APGenco, Bhel, L&T, Shriram Finance,
what is corona ?
which is best ac or dc
I have a 1000 kVA Transformer(11kV/0.415kV) and a APFC panel of 400 kVAR(LT).Now if i want to remove the LT APFC panel and install a HT(11kV) APFC panel on the HT side is the HT APFC panel will work same as the LT APFC panel(improve the power factor),if yes what will be rating of the HT APFC panel?what is the formula to calculate HT APFC panel rating???
How to calculate kva? what is the formula.
21 Answers MSIL, UltraTech, Watt, Welding Aids,
my self i am raghu working as tech.. in my college the maximum demand is 211 kva presently we are using 12kva capacitors the target power factor is .95 so what capacity of capacitor banks should i install
We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.
what is feed back and what are feed back amplifiers?
What is the most essential condition for the voltage build up for a d.c. Shunt generator?
if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?
in a plug point why the hole size at the top is large?
Compare OH Transmission & UG Transmission?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)