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Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
These terminals are manufactured by many companies, commonly using the terms "quick disconnect", "quick connect", "tab" terminals, "spade" terminals [1] or blade connectors; without qualifiers, the first two could be mistaken for plumbing connections.
At the workshop, Adam and Jamie filled a clear plastic tank with 24 inches (61 cm) of water, placed a model boat inside, and detonated 15-gram charges of black powder at varying depths. A surface detonation destroyed the boat, while a test at half depth lifted and flipped the boat, but also blew out the seals holding the panels to the tank frame.