There is ONLY one legal Plimsoll Line, the International load line, which is a marking on a ship's side showing the limit of legal submersion when loaded with cargo under various sea conditions.
However, depending on the temperature and salinity of the water on which the ship is floating the position of this line (which represents the weight of water displaced by the hull) will vary. So the line is graduated into:-
The American Bureau of Shipping (AB) Line/ Summer Load line (S)
The Tropical Freshwater (TF) line
The freshwater Load line (F)
The tropical Zones load line (T)
The Winter Load Line (W)
Winter North Atlantic Load Line (WNA)
Thus if a ship were loaded to the TF line in tropical Freshwater then moved to the North Atlantic in winter with the same cargo loaded, it should float at the correct line in both conditions.
the plimsoll lines are what is on the side on a boat. when you fill a boat with heavy goods, the water can be no higher than the line otherwise the boat sinks.
The Plimsoll line in fresh water marks the maximum point to which a ship can be loaded safely without sinking. In salt water, the same principle applies, but the Plimsoll line will be slightly lower due to the higher density of salt water compared to fresh water. This ensures that ships are loaded appropriately for different water conditions to maintain stability and safety.
The Plimsoll line, or load line, has multiple markings to indicate safe loading levels for different water conditions and vessel types. Each line corresponds to specific factors such as salinity, temperature, and seasonal variations, ensuring that the ship remains stable and seaworthy. These markings help prevent overloading, which can lead to capsizing or sinking, while also ensuring compliance with international maritime regulations.
It is not so much the water temperature that matters, but whether the ship is to sail on fresh or salt water. The salty oceans are denser than freshwater. Therefore, the ship can carry more cargo on the sea. This fact is noted on the bow of a ship by the Plimsoll line markings painted there.
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A load line is a line that limits the maximum mean draft, so that there will be sufficient freeboard and reserve buoyancy to insure the safety of the vessel. Plimsoll marks consist of a disk with a horizontal line through its center, indicating the summer load line, and a series of other horizontal lines indicating the load lines for various water and seasons. F or FW---Freshwater. IS---Indian Ocean in summer. WNA--North Atlantic in winter. S---Summer in waters other than Indian Ocean. W---Winter in Waters other than North Atlantic. T---Tropical waters. TF---Tropical Fresh water.
If the signnn is less than then it is below the line , if it is more than than it is above the line, that is the shaded region, If the signnn is less than then it is below the line , if it is more than than it is above the line, that is the shaded region,
A line segment has one more point than a ray
If you mean with inequalities: 1. Change the inequality into an equation.2. Solve the equation for the initial line.3. Look back to the inequality.a.) greater than or equal to-shade above or to the left of your line,this line should be solidb.) greater than-shade above or to the left of your line,this line should not be solidc.) less than or equal to-shade below or to the right of your line,this line should be solidd.) less than-shade below or to the right of your line,this line should not be solidHope this helps.
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A transversal is a line that crosses more than one line.