J
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A device which can lift weights or exert a large thrust in order to move or position some equipment. It is usually hydraulically operated.
1. The passageways which surround the engine cylinders. 2. Steel support framework used to support offshore platform topsides.
The jacket cooling water system is used for cooling the cylinder liners, cylinder covers and exhaust valves of the main engine.
see MOBILE OFFSHORE DRILLING UNITS.
A jackup rig or a self-elevating unit is a type of mobile platform that consists of a buoyant hull fitted with a number of movable legs, capable of raising its hull over the surface of the sea.
A shutter or cover with louvers. It provides ventilation while restricting the entry of rain and wind.
Jet fuel or aviation turbine fuel (ATF, also abbreviated avtur) is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines.
Act of throwing cargo or equipment (jetsam) overboard in order to lighten the vessel or improve its stability in case of emergency.
A structure that projects into the water to a reasonable depth of water. It enables ships or boats to come alongside to load or discharge cargo or passengers.
There are construction details showing the combination of all structural fire protection materials.
The joule is a derived unit of energy in the International System of Units. It is equal to the energy transferred to an object when a force of one newton acts on that object in the direction of the force's motion through a distance of one metre.
Joule heating is the process by which the passage of an electric current through a conductor produces heat.
When a fluid is allowed to expand without generating external work and no external heat transfer take place, a temperature change results.
The phenomenon where a gas or liquid changes temperature when it experiences a pressure drop.
Jumble winding or scramble winding is a type of winding of a wire randomly wound on a bobbin.
