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Question
Why charcoal and salt add in earthing pit.
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
the charcoal and salt are added in the earthing pit to simply increase the conductivity or in otherwords to reduce the resistance of the earth..this will give reliable earthing... 
Is This Answer Correct ?    34 Yes 0 No
Avinash Kumar
 
Answer
# 2
to reduce the resistivity of the earth 
Is This Answer Correct ?    7 Yes 2 No
Kirubakaran
 
 
 
Answer
# 3
we that charcoal powder is a carbon content substance it act
as a semiconductor and salt is soluble in water , earth bit
after finishing time we put water required, now salt is
connected the earth electrode and char coal powder and
ground so we use them
 
Is This Answer Correct ?    6 Yes 3 No
Vanthni@yahoo.com
 
Answer
# 4
charcoal makes to carry the moisture content and salt to produce the HYDRONIUM ions so both are added alternate way in the earth pits
SDDIET barwala
 
Is This Answer Correct ?    1 Yes 1 No
Ashok Mishra
 
Answer
# 5
Hai
go and Ask your GM and DGM , THEY NO VERY WELL
 
Is This Answer Correct ?    8 Yes 20 No
Bala.a
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
my company total load is 1000kw, 415volt, all load are inductive load. incoming powerfactor is .8. we want to have0.95 pf connecting capacitors. so now how much rating of capacitors we have to connect? show how?   3
In view of Electrical Engg. What is the use of SCR(Silicon control rectifier)   11
how to select the power contactor in Diffrent AC motors. Titan 6
Why Earthin is not required in Xformer primary side when it is in Star / star?   2
wil a dc motor run without a starter?? MRF 8
to improve the existing power factor whether capacitors have to be added in series or parallel.and why   3
when we connect the capacitor banks in series with the circuit? Cipla 3
What are the components of a substation? IOCL 3
what happens when the phase and earth wires comes in contact? and why   2
What is the Operating Powerfactor of UPS??? Why??   3
what is earthing/ CPCL 1
What is the significance of vector grouping in Power Transformers??   3
 
For more Electrical Engineering Interview Questions Click Here 
 
 
 
 
 


   
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