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Question
What is the min.& max distance between two earth spikes is 
required for measuring earth resistance of an earth pit? Is 
the manufacturer of Earth tester decides this? Pls explain.
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
the minimum and maximum distances are 5 and 10 meter in
practice. But in general manufacturer declares the distance
requirement.
 
Is This Answer Correct ?    11 Yes 1 No
Prem Devkota
 
Answer
# 2
The minimum and Maximum distance is zero. And manufacturer does not decide anything. 
Is This Answer Correct ?    1 Yes 1 No
Elizabeth
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
How Can we calculate current carrieng capacity of Copper Bus-Bars and Alluminium Bus-bar   2
some practicle study shows that the reactive power at the receiving end is not equal to the reactive power at the sending end.But according to theory the reactive power is exchanged by different parts of the network capacitors and reactors permanently, but is never consumed or produced. Then Where that reacrtive power loss occuring?is there any formula to calculate reactive power loss?   3
i am electrical engineer i cant get job in pure electrical industry ,but i got job in instrumentation field whether there is good scope for me, as i am fresher i m not well with the industrial trends so any experienced engineer pls reply me   1
What is the average hieght of a electrical tower? what are the factors that are taken into consideration for deciding its hieght other than voltage level?   1
What is substation? Kseb 2
1 kva how much amps? How to calculate ? L&T 2
how we can calculate cable size for any load & any type of cable material ?   1
WHY WE USE 4-20mA Coca-Cola 5
what is power?   1
1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is...... SSC 3
how to calculate the cable size for 500 kva transformer?   1
Alternators are invariably star connected why?   4
 
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