Well, honey, calculating the parallel middle body of a ship is as simple as dividing the ship's length by 3. Why? Because that's just how naval architects like to keep things spicy. So, grab a tape measure, do some math, and voilà, you've got yourself the parallel middle body of that ship. Now go conquer the high seas, sailor!
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solid mensuration is use for loading and unloading of cargoes to calculate the trim and stability of a ship
In theory, yes. But in practice there are likely to be far too many variables to do the calculations in a meaningful way.
To convert deadweight tonnage (DWT) to gross tonnage (GRT), you need to understand the definitions: DWT measures the total weight a ship can carry, including cargo, fuel, and crew, while GRT measures the overall internal volume of a ship. There isn’t a direct formula since they represent different concepts, but a rough estimate can be made using the ship's design and specifications. Generally, GRT can be calculated as a percentage of DWT based on the ship's hull form and internal structure, often requiring specific details from the ship’s measurements.
Establishing equivalence depends on the definition of parallel lines. If they are defined as lines which cannot ever meet (have no point in common), then the relation is not reflexive and so cannot be an equivalence relation.However, if the lines are in a coordinate plane and parallel lines are defined as those which have the same gradient then:the gradient of a is the gradient of a so the relationship is reflexive ie a ~ a.if the gradient of a is m then b is parallel to a if gradient of b = m and, if the gradient of b is m then b is parallel to a. Thus the relation ship is symmetric ie a ~ b b ~ a.If the gradient of a is m then b is parallel to a if and only if gradient of b = gradient of a, which is m. Also c is parallel to b if and only if gradient of c = gradient of b which is m. Therefore c is parallel to a. Thus the relation is transitive, that is a ~ b and b ~ c => a ~ c.The relation is reflexive, symmetric and transitive and therefore it is an equivalence relationship.