what is the advantage of Cathodic eathing system and what
is the basic principle and how itis working, please explain
clearly .

Answer Posted / william lobo

cathodic protection systems are two types one is ICCP i.e.
Impressed Current Cathodic protection and the other is
sacrificial Anode Protection system.
Sacrificial anode ytpe cathodic protectionsystems provide
cathodic current by galvanic corrosion. The curent is
generated by metalically connecting the structure to be
protected to a metal/alloy that is electrochemically more
active than the material to be protected. (Both the
structure and the anode must be in contact with the
electrolyte.) Current discharges from the expendable anode,
to the electorlyte and onto the structrue to be protected.
Special backfill mateiral can also be used.
contact williamlobo@rediffmail.com for more details.

Is This Answer Correct ?    2 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is harmonics? what are the factors it will depend upon

1540


which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

1638


during installation time of transformer and alternator which points we have to observed?

1490


what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

1648


How generator NPS(NEGATIVE PHASE SEQUENCE TEST)TEST WAS DONE? PROCEDURE WITH DETAILS?

1724






Z transform is use when system is not a) converges b) diverges

1182


why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

1698


66kv under ground cable how to layaing in ground any special case two ckt r runing

1540


How to select HT/MV cable size ?

2001


if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1540


what is plunger and what's the use of it in motor alignment?

2015


A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

2025


What are the various kind of cables used for transmission?

633


one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

1684


Define ampere

711