Each engineering field has its own type of engineering drawings. ME111: Engineering Drawing ... A line of 1 meter length is shown by 1 cm on the drawing sheet. Q37 â What is the representative fraction (R.F.) To draw a scale, need to know the âRepresentative Factor (RF)â. 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. Classification of Solids. Complete Idea of Isometric View and Isometric Projection. )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. Importance of Engineering Drawing. .
When a 1 cm long line in a drawing represents 1 metre length of the object,
Plain Scale_Problem 2 . An Engineering Drawing/Graphics- a type of technical drawing, is used to fully and clearly define requirements for engineered items. Understanding Scale and Representative Fraction . Hyperbola. ... Representative Fraction. ... ISOMETRIC DRAWINGS. Scales: Representative fraction. ... Engineering Drawing by ND Bhatt. Engineering Graphics Essentials [4th Edition] Engineering Graphics: P.J. Engineering Drawing [Electrician] is for I Year, II Year. Q38 â What are the main uses of scale? Ellipse. Engineering Curves. 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. Conic Section. E.g. Representative Fraction (R.F. Read PDF Mechanical Engineering Drawing Viva Questions ... Ans: Representative Fraction (R.F.) 10mm 1 metre 10mm 1000mm = = 1 100 Suppose a line of 10 mm length in drawing represent 1 mm length of object R.F. Representative Fraction. Engineering drawings come in many forms. Or it is also called Scale factor. Use of plane scales and Representative Fraction. is unit less. Positions of the Solids. Type of scales. Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. or scale factor (S.F.)? 3. Engineering Drawing [Electrician] is according to latest syllabus of DGT(NCVT). 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. Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. Diagonal Scale_Problem 1 . 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¦ Introduction to Engineering Graphics, Drawing instruments and accessories, BIS - SP 46. = Dimension of an object on sheet / Actual dimension of an object. 2. Plain and diagonal scale. 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 . Plain Scale_Problem 1 . Parabola. Take the value to find the length of the scale. GUJARAT TECHNOLOGICAL UNIVERSITY Engineering Graphics 1. Different Types of Scales. It is defined as ratio of Length of drawing to Actual length of object, both measured in same units. ; RF = 1: 20,000 RF = 1
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Representative Fraction
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