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Generators, Alternators and Electrical Distribution

Posted on January 26, 2026January 26, 2026 By admin No Comments on Generators, Alternators and Electrical Distribution
Generators, Alternators and Electrical Distribution

Shipboard electrical distribution system Parallel operation of Generators. Necessary conditions required prior to the synchronizing of electrical alternators A – Two alternators about to be connected in parallel. B – The same machines showing possible arrangement of synchronizing lights. Purpose of providing circuit breakers and fuses in electrical distribution system Fuses: Rewireable fuses: Cartridge fuses:…

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Engine Room Operations

Steering Gears / Stabilisers

Posted on January 26, 2026January 26, 2026 By admin No Comments on Steering Gears / Stabilisers
Steering Gears / Stabilisers

SOLAS requirements for steering gear How a rudder order signal results in achieving the desired rudder angle Hunting Gear: Two ram steering system Working: 4-ram hydraulic steering gear system Description of the system: Working: How safematic design is achieved in steering in case of Tankers of above 10000 GRT? Or Explain how automatic fail-safe arrangement…

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Engine Room Operations

Distillation And Fresh Water Systems

Posted on January 25, 2026January 25, 2026 By admin No Comments on Distillation And Fresh Water Systems
Distillation And Fresh Water Systems

Reverse Osmosis System of Fresh water generation on board Working: Osmotic pressure & briefly explain why pressure osmosis applied in RO system is very high Low-pressure evaporator. How waste heat from main engine is used for producing fresh water on board the ship? Working: Description a domestic fresh water generator used on board a ship….

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Engine Room Operations

Engine Room General Items

Posted on January 25, 2026February 19, 2026 By admin No Comments on Engine Room General Items
Engine Room General Items

Admiralty Coefficient: The admiralty coefficient may be regarded as constant for similar ships at their corresponding speeds. Fuel Coefficient Pitch of propeller Percentage apparent slip: Percentage Real Slip: Efficiency of Machine: Critical Speed of Engine (Bared Speed Range): Hunting Gear Superheated Steam: Specific fuel oil consumption and how it is determined Propeller drop & Rudder…

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Engine Room Operations

Vessel boiler

Posted on January 25, 2026January 25, 2026 By admin No Comments on Vessel boiler
Vessel boiler

Open feed water system used for boilers and line diagram of a complete feed water system for an auxiliary boiler showing the direction of flow in all lines. How the feed supply to the boiler is regulated. Advantages and disadvantages of water tube boiler and Smoke tube boiler Advantages of water tube boiler: Disadvantages of…

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Engine Room Operations

Boilers and Engineering Terms

Posted on January 25, 2026January 25, 2026 By admin No Comments on Boilers and Engineering Terms
Boilers and Engineering Terms

Purpose of boiler on ships? Steam Generation: Propulsion: Power Generation: Heating: Cargo Operations: Auxiliary Machinery: How circulation of water takes place in such boiler Smoke tube aux. boiler Important mountings of a boiler stating their use. Water Gauge: Safety Valve: Main Steam Stop Valve: Auxiliary Stop Valve: Main Feed Check Valve: Blow Down Valve: Air…

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Engine Room Operations

Entering Enclosed Spaces Safely: Understanding IMO Resolution MSC.581(110)

Posted on January 24, 2026January 24, 2026 By admin No Comments on Entering Enclosed Spaces Safely: Understanding IMO Resolution MSC.581(110)
Entering Enclosed Spaces Safely: Understanding IMO Resolution MSC.581(110)

IMO Resolution MSC.581(110) Revised Recommendations for Entering Enclosed Spaces Aboard Ships Entering enclosed spaces remains one of the most dangerous routine operations on board ships, responsible for a significant number of fatalities every year. In response to continuing accidents and near-misses, the International Maritime Organization (IMO) adopted Resolution MSC.581(110) at the 110th session of the…

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Rules and Regulation

Lights, Fog Signals & Buoyage

Posted on January 24, 2026January 24, 2026 By admin No Comments on Lights, Fog Signals & Buoyage
Lights, Fog Signals & Buoyage

Buoyage Module Introduction – Interest and Need In previous lessons we have looked at how to fix the ship during the daytime using a number of differing means. There are a number of other aids by which to keep a ship safe and we will look at these now. First we will look at the…

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Navigation

Carriage of Timber Cargo

Posted on January 24, 2026January 24, 2026 By admin No Comments on Carriage of Timber Cargo
Carriage of Timber Cargo

Definitions Timber means sawn wood or lumber, cants, logs, poles, pulpwood and all other types of timber in loose packaged forms but not including wood pulp or similar cargo. Cant means a log that is cut in slabs, so that two opposite or sometimes three sides are flat and the other(s) curved. Timber Deck cargo…

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Cargo handling

Refrigerated Cargoes

Posted on January 24, 2026January 24, 2026 By admin No Comments on Refrigerated Cargoes
Refrigerated Cargoes

Refrigerated Cargoes Classes Refrigerated Cargoes can be divided in to three classes. Frozen Cargo: eg. Meat, Butter, Poultry and Fish. These cargoes are carried in a hard frozen state at temperatures around -8 Deg Centgde to -12 Deg Centgde to prevent growth of bacteria. Chilled Cargo: eg. Cheese, eggs and fresh vegetables. Temperatures maintained in…

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Cargo handling

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Blog is primarily for candidates appearing for certificate of competency exams but such is the detail that while being equally suitable for the beginner, it is also reference work for experienced seaman, and the layout and style of blog make it suitable for shipboard training where practical experience can be allied to the theoretical approach.

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