facts_n_science on Instagram: "This is a demonstration of comparing different types of engine oils ranging from 0W to 50W, all poured into small glass containers simultaneously. As the oils flow, you can clearly see how their thickness or viscosity changes — thinner oils like 0W move faster, while thicker ones like 50W flow much slower. The “W” stands for “Winter”, not weight as many believe. It indicates how well the oil performs at low temperatures. For example, 0W oil stays fluid even in free

The Engineer's Mess on Instagram: "Types of Square Engines 📌 | The Engineer's Mess Bore Vs Stroke, Bore Stroke Ratio Explained, Engine Bore Types In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term to describe the ratio between cylinder bore diameter and piston stroke length. 👉Square Engine: A square engine has equal bore and stroke dimensions, giving a bore/stroke value of exactly 1:1. 👉Oversquare or Short-Stroke Engine Its

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