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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 ...
The end of the final length of the exhaust pipe where it vents to open air, generally the only visible part of the exhaust system part on a vehicle, often ends with a straight or angled cut but may include a decorative tip. The tip is sometimes chromed. It frequently has a larger pipe than the rest of the exhaust system.
Harcourt School Publishers – U.S. elementary (pre-K–6) publisher with particular strength in the four major subject areas of science, reading, math and social studies. Holt, Rinehart and Winston – U.S. secondary (grades 6–12) publisher with a leading position in literature and language arts, the largest middle and secondary school ...
The MX-5 Miyako is a limited edition of the MX-5 Soft-Top Convertible available in two versions, the MX-5 1.8i Miyako and the 2.0i Miyako. 500 units of each were produced. The 1.8i Miyako features a MZR 1.8-liter engine and a powered retractable hardtop, while the 2.0i Miyako is powered by the MZR 2.0-liter engine.
The Reynolds number Re is taken to be Re = V D / ν, where V is the mean velocity of fluid flow, D is the pipe diameter, and where ν is the kinematic viscosity μ / ρ, with μ the fluid's Dynamic viscosity, and ρ the fluid's density. The pipe's relative roughness ε / D, where ε is the pipe's effective roughness height and D the pipe ...
At the time, Harcourt Assessment comprised The Psychological Corporation, which was known as the clinical division, and Harcourt Educational Measurement, which was known as the education division. In late 2003, the testing business legally changed its name to Harcourt Assessment, Inc., and unified its two divisions into one operating company.
The Dean number (De) is a dimensionless group in fluid mechanics, which occurs in the study of flow in curved pipes and channels.It is named after the British scientist W. R. Dean, who was the first to provide a theoretical solution of the fluid motion through curved pipes for laminar flow by using a perturbation procedure from a Poiseuille flow in a straight pipe to a flow in a pipe with very ...
Proposition 2: The area of circles is proportional to the square of their diameters. [3] Proposition 5: The volumes of two tetrahedra of the same height are proportional to the areas of their triangular bases. [4] Proposition 10: The volume of a cone is a third of the volume of the corresponding cylinder which has the same base and height. [5]