Environmental Corrosion Control through Cathodic Protection

At the end of this lecture, students will be able to:

1)  Basic fundamentals of chemistry and electrochemistry related to corrosion process.

2) Understand corrosion cell and its components

3) Applicability of Faraday's law and its relation with corrosion rate

4) By which factors, the corrosion rate gets affected

5) Very basic factors causing corrosion

At the end of this lecture, students will:

1)  Various ways of controlling corrosion process and how cathodic protection (CP) can be one of them

2)  Which are the structures can be protected by CP system and two basic types of CP systems

3) Various components and type of anodes generally used in each kind of CP system

4)  Factors influencing operation of CP system

5) Various local and international criterion to assess the performance of CP system

At the end of this lecture, students will be able to demonstrate:

1) Basic measurements involved in monitoring the performance of CP System

2) Type and use of various reference electrodes

3) Ways and use of current measurement

4) Importance and methods of measuring resistance and resistivity

5) How to confirm electrical shorting and isolation

6) Pipeline and cable locating

7) pH measurement

8) Use of coupons

At the end of this lecture, students will learn:

1) How to execute CP Monitoring job in safe way

2) To recognize and eliminating hazards involved in CP Monitoring activities

3) Type of hazards associated with different monitoring activities

4) Troubleshooting CP Faults and malfunctioning

5) To solve Isolation and shorting issues

6) Identify and prepare solution plan for CP Rectifier output related problems.

At the end of this lecture, students will be able to understand:

1) Various aspects of managing CP system of a plant

2) Importance of regular monitoring of CP system and data record keeping

3) What shall be scope and frequency for monitoring

4) CP Inspector requirement and responsibilities

Self Study Review Questions

Let’s see what you learned about Cathodic Protection Inspection and Monitoring. Use the information in the workbook to answer these questions.

Instructions

1. Answer the questions below.

2. Review your answers with your mentor/trainer. When your mentor/trainer is satisfied with your answers, continue to the last Lecture No. 15 (Section 6) : Multiple Choice Questions.

In this lecture section, we will provide you with 212 multiple choice questions to judge your understanding and ability to demonstrate the various concepts of Cathodic Protection Inspection and Monitoring.

At the end of the quiz, you will the answer keys to be able to rate yourself honestly.