Technical requirement of Copper earthing over GI earthing.



Technical requirement of Copper earthing over GI earthing...

Answer / cnu

There arent much technical things between the two. the
current carrying capacity of the copper is more than GI.
Iron is prone to rusting after a certain time it completely
stops conducting to ground.

Is This Answer Correct ?    6 Yes 1 No

Post New Answer

More Electrical Engineering Interview Questions

Why we does earthing for transformer neutral point

5 Answers   amps, DLF,


Difference between Lugs and Thimbles

0 Answers   ABB,


Why DC weldings sets preffered over AC considering human safety aspects ?

2 Answers  


HOW THE AC GENARATOR CAN GENARATE REACTIVE POWER,HOW CAN WE CONTROL IT.AND OTHER SOURSES OF REACTIVE POWER GENARATIONS ARE WHAT.

3 Answers  


What happens if the series current double?

0 Answers  






How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

0 Answers   El Seif,


Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,


How do you select a cable size(Cu&Al) for a particular load

10 Answers   Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,


What are the types of transformers according to the arrangement of iron cores?

0 Answers  


What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

0 Answers  


1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator

3 Answers  


What is duty cycle and protection class?

4 Answers   SISL,


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)