Why? We r used 50sq. mm. And above size cable in 3.5 core and below size are used in 4core

Answers were Sorted based on User's Feedback



Why? We r used 50sq. mm. And above size cable in 3.5 core and below size are used in 4core..

Answer / k.prakashchandra

Above 50 sq mm cables are usually used 3 phase loads and
fair balancing of loads is expected.As the neutral current
is unlikely to exceed 50 % of full load ,half the core size
is sufficient to save money

Is This Answer Correct ?    2 Yes 0 No

Why? We r used 50sq. mm. And above size cable in 3.5 core and below size are used in 4core..

Answer / diwakar

We even have three phase loads used in 25 and 35 sq.mm.. cant say that as the reason alone.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

if you short the any 2phase(R,Y,B),why fuse get blown?

5 Answers   Steel Plant,


What are the Safety measures in central chiller plant? Explain them?

21 Answers   Carrier, HSL, CPIC, JLL,


why battery is connected in series?

10 Answers   HP,


what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,


what is the rating of a power transformer?

1 Answers   ACME,






when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......

3 Answers  


What is a advantage of Self Reset Lockout ? On Fault breaker get trip & fault no longer exist then self reset lockout how inform us?

0 Answers   Bhad Engineers,


which level of transformer oil has got low dielectric strength ?why?

2 Answers  


features of hbc fuses

0 Answers  


What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  


what you mean by vector group of a 3 ph transformer

1 Answers  


what is the sludge current

0 Answers  






Categories
  • Civil Engineering Interview Questions Civil Engineering (5070)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4443)
  • Electrical Engineering Interview Questions Electrical Engineering (16578)
  • Electronics Communications Interview Questions Electronics Communications (3915)
  • Chemical Engineering Interview Questions Chemical Engineering (1091)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (214)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (258)
  • Instrumentation Interview Questions Instrumentation (2986)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (122)
  • Power Plant Engineering Interview Questions Power Plant Engineering (170)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (0)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1376)