Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter pos

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how
much the diameter possible?is there any calculation ?

Question Posted / bala123

4 Answers
18483 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any c..

Answer / aravind

Area=3.14*r^2

r=8.74mm

Is This Answer Correct ?

6 Yes

3 No

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any c..

Answer / rajesh palande

When we say that cable rating is 240 sq mm the user knows
that the area of the conductor is 240 square mm. Hence user
can determine the amount of current that cable can carry.
Calculate the dimension of circle which has a area of 240
sq mm and you get the answere about dia size.

Is This Answer Correct ?

12 Yes

10 No

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any c..

Answer / mateen

When you got the cross section aria then you can calculate
the current currying ampere by knowing the materials
Resistance

Is This Answer Correct ?

7 Yes

11 No

Why we call cable rating in SQ.mm.If it is 240 SQ.mm how much the diameter possible?is there any c..

Answer / sumit tomar

it is bcoj the cable diameter is decided wby the amount of
current it hav to bear.....thus the conductor is choosen
according to its dia size...

Is This Answer Correct ?

8 Yes

14 No

Post New Answer

More Electrical Engineering Interview Questions

Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.

0 Answers RRB,

how to Select Lighting arrester? What r the parameters to be considered for the selection of Lighting arrester ?

0 Answers

A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers Jindal,

What is the basic difference between directional and non directional over current protection?

1 Answers

what is the diffrence between R Y B phase and why it is called RYB

5 Answers

When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers

In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 Answers Essar, GAIL, Vizag Steel,

What is difference between mcb and mccb.

0 Answers

what are the possible reaons & remedies if resistance of NGR getting heat up