Welding and Welding Defects

Onboard Ship because of limited resources and lack of man power sometime we have to perform the welding tasks and join different material till the next port will not came.so, we have to understand the basic types of weldings and its defects that's the only reason this subject is included in pre-sea training.

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Marine Refrigeration

Marine Refrigeration is the basic building block of shipping industry for all that ships which carry the refrigeration container,refrigeration cargo and fully refrigerated ships. Its very important to understand the basics of all refrigeration cycles,principle of refrigeration and what things need to be checked during your watchkeeping duties.

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Prepare for MMD Class 4 Objective