what is the use of providing earthing for tanks? i know for
lightning we use earthing ? Here one of my ONGC project
there is no need of lightning protection and there is no
power connection near by tank in that situation also ONGC
asking earthing for tanks but we didn't understanding why
they asking earthing? is anybody tell exact answer?

Answer Posted / k.prakashchandra

To remove static electricity

Is This Answer Correct ?    5 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1812


please send me previous year questions of jspl through which i could prepare myself for the test.

1373


EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1423


Safety of dry type transformer

1487


need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

1311






How to calculate Number of Earthing Pits....???

1115


Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

1038


Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

1748


Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

3845


WHAT IS THE WORKING PRINCIPLE OF A GENERATER.how is a GTG (Gas TURBANE Generater) working.plz explane

2059


What is the difference b/w fanuc alpha series 16i and 18i controller. what is stand for i

1590


What is different between Circuit breaker and Isolater?

1223


Define filter?

648


Inductor and capacitor........power in one phase and ...... in it another phase.

1606


What is acsr cable and where we use it?

712