Notes
Curated, well-structured study notes for complete exam preparation.
Access all your exam preparation material anytime, anywhere — even offline at sea. Study curated notes, practise real questions from past exam papers, and learn from examiner feedback. Completely free, forever.
Three core tools to help marine engineers prepare for COC written and oral exams.
Curated, well-structured study notes for complete exam preparation.
Prepare for your exam with real questions organised by exam level, subject, and topic.
Read examiner feedback and improve your answers
Built for mariners — onboard preparation, community-powered content, and smarter study.
Use the app even when offline or on low data — ideal for onboard exam preparation where network bandwidth is limited.
MarineSamraj is community-powered, so content stays fresh with quicker updates based on exams and guidelines. Question papers are uploaded almost instantly after exams finish.
We identify duplicate questions across papers so you can see how often a question appears, avoid reading the same thing twice, and prepare topic-wise in an organised way.
Questions you read are tracked automatically — filter to unread questions and bookmark ones for a last-minute glance before the exam.
No lengthy setup. Pick your exam and dive straight into practice.
Select your COC exam-level and the subject you want to focus on.
Answer written and oral questions and compare against examiner feedback.
Filter unread questions, bookmark key ones, and use notes to close knowledge gaps before exam day.
Join marine engineers preparing smarter with MarineSamraj.
Go to Exam PreparationEverything you need to know about preparing with MarineSamraj.
Yes, MarineSamraj is completely free. You can access every feature without any subscriptions and we intend to keep it that way.
MarineSamraj covers COC written and oral exams across multiple competency levels for the following exams:
Yes. MarineSamraj automatically marks questions you have read so you can filter to unread ones, and lets you bookmark questions for last-minute revision.
Yes. You can use the application offline or on low data, which makes it well suited for onboard exam preparation when network bandwidth is limited.