why is a earth pit 10 ft usually? And, what should be the
distance betweeen two earth pit?

Answers were Sorted based on User's Feedback



why is a earth pit 10 ft usually? And, what should be the distance betweeen two earth pit?..

Answer / vvreddy

Its usually 10 ft cos as the soil works effectively for the
leakage and fault currents..

U can place 2mtrs apart..

Is This Answer Correct ?    3 Yes 0 No

why is a earth pit 10 ft usually? And, what should be the distance betweeen two earth pit?..

Answer / vvreddy

Its usually 10 ft cos as the soil works effectively for the
leakage and fault currents..

U can place 2mtrs apart..

Is This Answer Correct ?    3 Yes 0 No

why is a earth pit 10 ft usually? And, what should be the distance betweeen two earth pit?..

Answer / k.prakashchandra

Deeper the earth pit,better the ER value. Beyond 10 feet it
not easy to dig. The distance b/w electrodes is to be the
sum of the lengths ,but it is not practicable always.

Is This Answer Correct ?    1 Yes 0 No

why is a earth pit 10 ft usually? And, what should be the distance betweeen two earth pit?..

Answer / sasi karthick a

Resistivity of the soil will better when depth increases.
Soil resistivity test will conduct and the resistivity will
selected for earthing calculation. As per IS 3043, it
should be twice the length of the electrode.

Is This Answer Correct ?    0 Yes 1 No

Post New Answer

More Electrical Engineering Interview Questions

what should be distance between phase to phase in 415v system?

1 Answers   NTPC,


WHY AREWE USING THE 3 1/2 CORE CABLES IN POWER TRANSMISSION

1 Answers   Phoenix Technologies,


how unidirectional torque is produced in DC motor?

1 Answers  


how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage.

1 Answers   FGI, OPS,


What_is_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

2 Answers   APEL, BSES,


whay we used silica gel in Transformer

3 Answers  


what is dead tank CT AND what is live tank CT

2 Answers   TATA,


y we are used signal conditioner in capacitive transducer

1 Answers  


temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%

1 Answers  


what is breathing?

1 Answers   PWD,


Can any one explain me about 2 phase motors ?

2 Answers   L&T,


In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5086)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4453)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • 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)