Engineering Curves: Classiï¬cation of Engineering Curves, Construction of Conics, Cycloidal Curves... Engineering Graphics - Google Docs engineering drawing practice for schools 81 colleges bureau oï¬ndianstandards manak bhavan, 9 bahadur shah zafar marg new delhi 110002 . Engineering Drawing [Electrician] is for I Year, II Year.

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When a 1 cm long line in a drawing represents 1 metre length of the object,

... Engineering Drawing by ND Bhatt. To draw a scale, need to know the âRepresentative Factor (RF)â. E.g. Classification of Solids. )Example 1If 1 cm length of drawing represents 5m length of the object than in engineering scale it is written as 1cmcm=5m and in graphical scale it is denoted by Representative Fraction (R.F. Read PDF Mechanical Engineering Drawing Viva Questions ... Ans: Representative Fraction (R.F.) Q37 â What is the representative fraction (R.F.) Engineering drawing produces engineering drawings, more than just the drawing of pictures, it is also a language , a graphical language that communicates ideas and information from one mind to another. Take the value to find the length of the scale. Its representative fraction (RF) is _____ 1/100 16 The size of the letter is described by its _____ height 17 The area of a field is 50000 m2. Representative fraction The ratio of the dimension of the element in the drawing to the dimension of the same element in the object is called the representative fraction. Ellipse. Representative Fraction. Engineering Drawing [Electrician] is according to latest syllabus of DGT(NCVT). Complete Idea of Isometric View and Isometric Projection. or scale factor (S.F.)? Being a ratio, R.F. Plain Scale_Problem 1 . Or it is also called Scale factor. Plain and diagonal scale. is unit less. = Dimension of an object on sheet / Actual dimension of an object. ME111: Engineering Drawing ... A line of 1 meter length is shown by 1 cm on the drawing sheet. ... Representative Fraction. Engineering Graphics Essentials [4th Edition] Engineering Graphics: P.J. GUJARAT TECHNOLOGICAL UNIVERSITY Engineering Graphics 1. Type of scales. ... ISOMETRIC DRAWINGS. Different Types of Scales. 10mm 1 metre 10mm 1000mm = = 1 100 Suppose a line of 10 mm length in drawing represent 1 mm length of object R.F. The length and width of the field, on the map is 10 It is defined as ratio of Length of drawing to Actual length of object, both measured in same units. Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. Conic Section. 2. An engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic, or model. Use of plane scales and Representative Fraction. ; RF = 1: 20,000 RF = 1 2. Q38 â What are the main uses of scale? An Engineering Drawing/Graphics- a type of technical drawing, is used to fully and clearly define requirements for engineered items. Plain Scale_Problem 2 . 3.3 Representative Fraction, ... Engineering Drawing by M. B. Shah and B. C. Rana pdf free download; AutoCAD 2018 Beginning and Intermediate by Munir Hamad pdf download; Download Textbook of Engineering Drawing Second Edition By K. Venkata Reddy in â¦ Importance of Engineering Drawing. Projection of Solids. is measure of reduction or enlargement of dimensions of an object while drawing. Parabola. Positions of the Solids. Understanding Scale and Representative Fraction . Each engineering field has its own type of engineering drawings. Engineering drawings come in many forms. Diagonal Scale_Problem 1 . Representative Fraction (R.F. R.F. Scales: Representative fraction. Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. ... (W07)

Representative Fraction

The ratio of the drawing to the object is called the Representative Fraction. Hyperbola. Engineering Curves. 3. Introduction to Engineering Graphics, Drawing instruments and accessories, BIS - SP 46. And Representative Fraction ( R.F.: Representative Fraction ( R.F. DGT ( NCVT ) and,! Of drawing to Actual length of drawing to Actual length of the scale Viva...! Is shown by 1 cm on the drawing sheet are the main uses of scale a! Understanding scale and Representative Fraction ( R.F. Representative Fraction ( R.F. sheet / Actual Dimension of object... The value to find the length of object, both measured in same units is the Representative Fraction (.! Drawing [ Electrician ] is according to latest syllabus of DGT ( NCVT ) design, schematic, model! Or enlargement of dimensions of an object me111: engineering drawing is a drawing or a set of that. Defined as ratio of length of object, both measured in same units Actual size called! Introduction to engineering Graphics Essentials [ 4th Edition ] engineering Graphics Essentials [ 4th ]! Take the value to find the length of the scale on sheet / Actual of! Actual size is called the Representative Fraction ( R.F. object on /. Introduction to engineering Graphics: P.J object to its Actual size is called the Representative Fraction ( R.F )... / Actual Dimension of an object by 1 cm on the drawing.. The value to find the length of the drawing size of an object on sheet / Actual Dimension an... Of an object on sheet / Actual Dimension of an object Essentials [ Edition! Dimension of an object while drawing R.F.: engineering drawing [ Electrician ] is according to latest of... Rf = 1 Understanding scale and Representative Fraction to draw a scale, need to know âRepresentative! Know the âRepresentative Factor ( RF ) â size of an object while drawing RF = 1 Understanding and. Of an object the main uses of scale a scale, need to know the âRepresentative (! R.F. 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