Grade 10 – Nautical Science

December 14, 2020

Dry bulk carriers

A bulk carrier is a large single deck ship, which carriers unpackaged cargo. The cargo is simply poured, tipped or pumped into the holds or tanks of the ship. The dry bulk carrier has been one of the largest growing types of ship outside the tanker fleets. The main cargoes […]
December 14, 2020

Oil tankers and FPSO vessels

More than half the cargo carried by sea is oil carried in tankers. Since an oil cargo can be pumped on and off a tanker at a much higher rate than dry cargoes, tankers spend less time in port and in the space of one year can carry more cargo […]
December 14, 2020

Liquid gas carriers

There are basically two types of liquefied gas carrier: One to carry natural gas such as butane (LNG – liquefied natural gas). LNG is carried by reducing the temperature to -160° C when it is carried in fast well insulated and expensive ships or by converting it (expensive process) into […]
December 14, 2020

Reefers (refrigeration vessels)

The reefer or refrigerated cargo carrier is basically a general cargo vessel with well insulated holds. The cargoes carried are those requiring refrigeration, ie fruit, vegetables, meat, fish, etc. The cargo is usually packaged in boxes and palletted. It has small hatches, its own cargo handling gear and is fast. […]
December 14, 2020

Heavy lift vessels

Heavy lift vessels can be divided into two types, ie semi-submersible and conventional heavy lift vessels. The semi-submersible ships can lower their main cargo deck below the water line and large floating objects such as oil drilling rigs or damaged ships can be floated on or off the vessel. The […]