how to select a cap,when a fan is required 2.5 micro ferad
cap,then how we know about 1 hp motor?



how to select a cap,when a fan is required 2.5 micro ferad cap,then how we know about 1 hp motor?..

Answer / k.prakashchandra

A fan is of 40W to 60 W.1 HP motor is of 750 w ,but current
drawn is also dependent on pf.Hence minimum 50 mcf
capacitor is required

Is This Answer Correct ?    1 Yes 5 No

Post New Answer

More Electrical Engineering Interview Questions

How to put breaker in service / test position.

1 Answers   KSEB, L&T, Siemens,


what will happen at the time of CT saturation?and what will be the Relay's function at the time of CT saturation?

2 Answers  


what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

0 Answers  


Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

0 Answers   ABB,


What is third harmonic?what is the effect of it?

0 Answers   GMR,






What is annunciator ?

1 Answers  


What is PEC??Applications........

0 Answers   Emerson,


why battery set is required for D.G.set?

7 Answers  


what is derated current of power cable & what is formule to find derated current?

1 Answers   Thermon,


why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

0 Answers  


what is the principle of switchgear and its function

1 Answers  


Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)