what does nominal size mean
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What does IPS & Nominal Pipe size mean? Nominal size is a term used for the comparative sizes of piping and tubing rather than the actual dimensions. Like 3/4″ or 1″. Nominal sizes of piping in sprinkler systems are not the actual sizes and are given in inches and fractions of an inch.For a given NPS (Nominal Pipe Size), the OD stays fixed and the wall thickness increases with schedule.ike 3/4″ or 1″. Nominal sizes of piping in sprinkler systems are not the actual sizes and are given in inches and fractions of an inch. For a given NPS (Nominal Pipe Size), the OD stays fixed and the wall thickness increases with schedule.
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Dimensional Lumber Sizes: Nominal vs. Actual Dimensional Lumber Sizes: Nominal vs. Actual Dimensional lumber is cut to a specific length, width, and depth. However, there is a difference between the nominal size (what the lumber is referred to) and the actual size. The tables below provide both the nominal and actual sizes so many common North American lumber sizes. Softwood lumber is generally used for framing walls and floors.
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Nominal size For example, dimensional lumber sizes such as 2 by 4 refers to a board whose finished dimensions are closer to 1 1⁄2 inches by 3 1⁄2 inches. A  3 1⁄2 -inch floppy disk 's standard dimension is 90 mm, or 3.54 inches, and is advertised to hold 1.44 megabytes although its capacity is 1,474,560 bytes.A  3⁄4 -inch pipe in the Nominal Pipe Size system has no dimensions that are exactly 0.75 inches.A screw thread has a number of dimensions required to assure proper function but is referred to by a nominal size and a thread design family, for example  1⁄4 inch, 20 threads per inch, Unified National Coarse.or example both 1⁄2 inch and 15 millimetres (0.59 in) copper pipe is actually the same pipe which has a nominal internal diameter of 1⁄2 an inch and a nominal external diameter of 15 millimetres (diameter is always internal in the imperial measurement system and always external in metric).
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- back at least to the 1950s (see Blalock 1979 section 2.2 and the references mentioned there). A nominal. variable is a classification for which there is no ordering (although sometimes there is a partial ordering): the values are just names and are not to be interpreted quantitatively even if they are numbers. The values of an ordinal variable can be put into a unique order, but the distance between values cannot be quantified.
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"""nominal""" RE: nominal. 25 Aug 06 13:08. A nominal dimension is one which the tolerance is based from, which is not necessarily the optimum size. A dimension can have a Push Fit or Press Fit tolerance of say +.001/+.003 showing that the actual nominal is NOT what is required.
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Nominal number Definition[edit] The term nominal number is quite recent and of limited use. It appears to have originated as a usage in school textbooks derived from the statistical term nominal data, defined as data indicating ...merely statements of qualitative category of membership.. This usage comes from the sense of nominal as name.
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Maximum Aggregate Size & Nominal Maximum Aggregate Size #8: 39%. By the CT 382 definition, the maximum aggregate size is 3/4 and the nominal maximum aggregate size is 1/2. In the November 2011 version of CT 202, nominal maximum aggregate size is defined as one sieve size larger than the first size to retain more than 10%..or instance, nominal maximum aggregate size is usually a way to define the size of a mix when you're referring to it. So when you're saying 1/2 HMA people generally know what that means. Where you might see a problem is in drawing the maximum density line to help with designing a mix's gradation.
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- By contrast, a real value is a value that has been adjusted from a nominal value to remove the effects of general price level changes over time and is thus measured in terms of the general price level in some reference year (the base year).he simple case of a bundle of commodities (goods) is one that has only one commodity. In that case, output or consumption may be measured either in terms of money value (nominal) or physical quantity (real). Let i designate that commodity and let:
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Chris Evans (presenter) By 2000 he was the UK's highest paid entertainer, according to the Sunday Times Rich List. In 2005, he started a new career on BBC Radio 2, hosting the long-running Drivetime programme, before moving in 2010 to host The Chris Evans Breakfast Show every weekday morning. He previously presented The One Show on Fridays between 2010 and 2015.
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Variables Nominal variables. A nominal variable is one that describes a name or category. Contrary to ordinal variables, there is no 'natural ordering' of the set of possible names or categories.
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Federal Budget Glossary Nominal. A nominal dollar amount is one that is not adjusted for inflation; it is the cost or value of something expressed as its price in the year it was purchased. For example, if in 1989 you paid $5 for a movie ticket, then the ticket's nominal price is $5. Also see real.
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Level of measurement Nominal Ordinal Interval Ratio Nominal The lowest measurement level you can use, from a statistical point of view, is a nominal scale. A nominal scale, as the name implies, is simply some placing of data into categories, without any order or structure.ominal Ordinal Interval Ratio Nominal The lowest measurement level you can use, from a statistical point of view, is a nominal scale. A nominal scale, as the name implies, is simply some placing of data into categories, without any order or structure.
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Variables Nominal variables. A nominal variable is one that describes a name or category. Contrary to ordinal variables, there is no 'natural ordering' of the set of possible names or categories.Sex and type of dwelling are examples of nominal variables.In Table 1, the variable mode of transportation for travel to work is nominal because it describes the category of transportation.ominal variables. A nominal variable is one that describes a name or category. Contrary to ordinal variables, there is no 'natural ordering' of the set of possible names or categories.
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Nominal GDP: Definition & Formula Definition of Nominal GDP. Elton is the finance minister of a small country. Part of his job is to monitor his country's economy to make sure it is healthy. One way he does this is by examining the country's gross domestic product.
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Pipe Thread Standards Explained npt is defined by ansi asme standard b1 20 1 nominal pipe size is loosely related to the inside diameter of schedule 40 pipe because of the pipe wall thickness the actual diameter of the threads is larger than the nps considerably so for small nps
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- DEFINITION of 'Nominal'. An unadjusted rate, value or change in value. This type of measure often reflects the current situation, such as the current price of a car, and doesn't make adjustments to reflect factors such as seasonality or inflation, which provide a more accurate measure in real terms.Next Up.his type of measure often reflects the current situation, such as the current price of a car, and doesn't make adjustments to reflect factors such as seasonality or inflation, which provide a more accurate measure in real terms.
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Definitions &Translations Princeton's WordNet (0.00 / 0 votes) Rate this definition: noun phrase, nominal phrase, nominal (adj). a phrase that can function as the subject or object of a verb. nominal (adj). relating to or constituting or bearing or giving a name.
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Lumber The nominal cross-section dimensions of a piece of lumber, such as 2 X 4 or 1 X 6, are always somewhat larger than the actual, or dressed, dimensions. The reason is that dressed lumber has been surfaced or planed smooth on four sides (called S4S). The nominal measurement is made before the lumber is surfaced.
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"What is the meaning of ""nominal"" value in engineering field?" , Electrical Engineer, geek and skier. An expressed value, not an exact real value. E.g. a car battery has a nominal voltage of 12V, but in reality it is usually somewhere between 10 and 14,5 depending on the situation.
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Nominal Plaintiff Nominal Consideration Concept of Nominal Consideration in the context of Real Property A short definition of Nominal Consideration: Consideration in name only, and not related to the market value of the property.... Nominal Partner One who Is apparently or ostensibly a member of a firm, but who is not really so.
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Nominal size Applying the nominal size across domains requires understanding of the size systems in both areas; for example, someone wishing to select a drill bit to clear a  1⁄4 -inch screw may consult tables to show the proper drill bit size.
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Types of data The name 'Nominal' comes from the Latin nomen, meaning 'name' and nominal data are items which are differentiated by a simple naming system. The only thing a nominal scale does is to say that items being measured have something in common, although this may not be described. Nominal items may have numbers assigned to them. This may appear ordinal but is not -- these are used to simplify capture and referencing. Nominal items are usually categorical, in that they belong to a definable category, such as 'employees'.
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What does 'Nominal' mean Loading the player... Nominal means very small or far below the real value or cost, and in finance, this adjective modifies words such as fee, interest rate and gross domestic product (GDP). A nominal fee simply refers to a fee that is below the cost of the service provided or presumably easy for a consumer to afford.
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Unified Thread Standard The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than 1⁄4 inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.n an external (male) thread (e.g., on a bolt), the major diameter D maj and the minor diameter D min define maximum dimensions of the thread. This means that the external thread must end flat at D maj, but can be rounded out below the minor diameter D min.
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What is nominal speed? Nominal speed. Nominal speed (nN) is a suitable, rounded speed value for classifying the speed range (see Nominal value). Nominal speed is no longer the speed previously agreed on in the supply contract, but typically a deviating, rounded, and generally applicable speed such as 2,900, 1,450, or 980 min–1 (rpm) for a mains frequency of 50 Hz or 3,500, 1,750, 1,180 min–1 (rpm) at 60 Hz.
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What Is a Nominal Fee? Financial service providers market many different products as being available for nominal fees. A nominal fee is a payment or purchase price like any other fee. However, the use of the work nominal implies that the fee is small in comparison to the true value of what you can purchase with it.