We offer unlimited learning for free. Be a part of our mission.

If you've ever been grateful for your free courses, now is the moment to pass it forward. Every contribution, big or small, helps us keep education free for all.

Continue Learning for Free

Contribute Now

Support us in our mission to keep education free for all.

Pick Your Contribution Amount.

Support 30 learners globally

Support 150 learners globally

Support:

Select Contribution Method

Contribution Amount$2

Select Payment Method

Credit/Debit Card

PayPal

Thank you for being part of our mission!

Your contribution has made a difference to learners across the globe.

Continue Learning

“Education should be...”

Select any one option

Free & Accessible

Expensive

Inaccessible

Education should be...
free and accessible.

Make a contribution today and support us in
our mission to keep education free for all.

Support 30 learners globally

Support 150 learners globally

Support:

Remind Me Later

Contribute

Contribution Amount$2

Select Payment Method

Credit/Debit Card

PayPal

Thank you for your contribution!

Your contribution has made a difference to learners across the globe.

Continue Learning

You’ve started now, make sure you finish!

Set study reminders to guarantee a steady learning routine.

Not NowSet Study Reminder

Learners with study reminders are 34% more likely to finish their course!

Don't ask me again

Not NowSet Study Reminder

Don't ask me again

Study Reminders

Support

Set A Weekly Study Reminder

Learners who set study reminders are 75% more likely to complete a course. You can change this any time.

Learn 2 days a week
RecommendedLearn 3 days a week
Learn 5 days a week

Set Study Reminders

We will notify you at these times to remind you to study.

Get Study Reminders On Your Phone No

Next reminder on
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Edit Reminders

Set Study Reminder

You’re more likely to complete a course if you dedicate some time per week to study.

Choose the days that work for you.

Mon
Tap to set reminder
AMPM
12:00
AMPM
Remove
Tue
Tap to set reminder
AMPM
12:00
AMPM
Remove
Wed
Tap to set reminder
AMPM
12:00
AMPM
Remove
Thu
Tap to set reminder
AMPM
12:00
AMPM
Remove
Fri
Tap to set reminder
AMPM
12:00
AMPM
Remove
Sat
Tap to set reminder
AMPM
12:00
AMPM
Remove
Sun
Tap to set reminder
AMPM
12:00
AMPM
Remove

Set Study Reminder

Having completed this module you will be able to:

Discuss the functions and requirements of anodes for the cathodic protection of engineering structures.
Explain the role of polarization of ground bed anodes.
Describe the stray current corrosion in buried engineering structures.
Describe the electrochemical concept of cathodic protection engineering.
Outline the sources of stray current corrosion.
Identify the methods of mitigating AC interferences in the corrosion of buried structures.

Empower Yourself For Free

Join our community of 40 million+ learners, upskill with CPD UK accredited courses, explore career development tools and psychometrics - all for free.

Having trouble Logging In? Get in touch