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Question
why double earthing is required for welding machine & 
electrical tools.
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
to give low resistance and if one earth is out of
order,second will do the required work of earthing the equipment
 
Is This Answer Correct ?    39 Yes 2 No
Divyesh
 
Answer
# 2
for safty purpose only. if one is failure another in line 
Is This Answer Correct ?    17 Yes 3 No
Dinakaran
 
 
 
Answer
# 3
Double earthing is
used to give
minimum
resistance to the
flow of whole
current of the
apparatus in case
of short circuit or
leakage or any
such other fault.
 
Is This Answer Correct ?    15 Yes 1 No
Bilal Mir
 
Answer
# 4
1.For safety of personnel & equipment
2.Reduces voltage fluctuation in case of excess current flow.
3.In case non use of tripping devices it reduces the risk of electrocution.
 
Is This Answer Correct ?    9 Yes 4 No
Pravin
 

 
 
 
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For more Electrical Engineering Interview Questions Click Here 
 
 
 
 
 


   
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