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.

Answer Posted / m.hussain

distance is 5 and 10 meters in same Allignment.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

whate is the meaning of balance/unbalance,in stabilizers type

1651


What is the difference between amorphous core transformer and CRGO core transformer?.

3167


Why PS class CT is always preferred for Differential protection?

1083


Enlist four components of electrive drives.

1424


What is the vector group of a transformer,how can it be found out?

1569






What are the effects of electrical faults?

596


why the value of k is more in shell typr transformers?

1572


we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

1627


How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

1413


What are the classifications of heating element?

1514


what is the difference between gas group b and gas group c electrical equipment construction wise?

1384


what happen when power factor of 2 parallely operated transformer become equle?

1706


Please tell me the earthing procedures adopted for the STAR-STAR 3 Phase transformer in india and give a better sugession for earthing

1501


This is reqd for a 1MW Solar power plant..We have 2DC outputs from the solar panels Connected to 2INVERTOR panels.. Output from invertor is 3ph,280v,500kva,50hz.These are connected to individual ACB.This has to be stepped up to 11KV ,1250KVA SYSTEM.Now can I use (1) one more ACBTO GIVE A COMBINED OUTPUT OF 1000KVA,280V & STEP UP THE OUTPUT BY USING a single two winding 3 ph transformer 11kv/1250kva. or (2)use the two outputs and connect to one three winding transformer of above rating..Pls suggestwith details.

1997


sir plz send some previous year questions of jspl.

1475