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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
 
why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery. Etimaad 1
WHY WE ARE DOING THE EARTHING IN A SYSTEM. SOME PEOPLE ARE TELLING FOR PROTECTION. WHAT PROTECTION GIVE ME THE CORRECT ANSWER.   2
why two windings are using in single phase AC motor   3
arrange to send solved question and answer its easy to study and understand the thing, because of Exam is to be conducted shortly   1
What is Cement L&T 10
what is ohms law?   6
what should be the air clearence between phase to phase, phase to earth in Medium voltage switchgear for 3.3kv,6.6kv,11kv,22kv and 33kv? Which is to be referred for this? Sanmar 1
what will happen if a 3 phase motor is connected to a single phase circuit and vice versa?   3
How can we measure and monitor critical performance parameters of Diesel Generator Sets, both electrical and engine ? Cologicx-Systems 3
why leading pf indicates a negative sign???   1
1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.   4
why ferranti efect occurs on no load only?   3
 
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