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# representative fraction in engineering drawing

Engineering Drawing [Electrician] is for I Year, II Year. GUJARAT TECHNOLOGICAL UNIVERSITY Engineering Graphics 1. )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. ; RF = 1: 20,000 RF = 1 Engineering Drawing [Electrician] is according to latest syllabus of DGT(NCVT). The length and width of the field, on the map is 10 R.F. .
When a 1 cm long line in a drawing represents 1 metre length of the object,
... Engineering Drawing by ND Bhatt. Use of plane scales and Representative Fraction. = Dimension of an object on sheet / Actual dimension of an object. is measure of reduction or enlargement of dimensions of an object while drawing. Different Types of Scales. Type of scales. 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. It is defined as ratio of Length of drawing to Actual length of object, both measured in same units. Engineering Curves. 2. Conic Section. E.g. Hyperbola. Scales: Representative fraction. Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. An Engineering Drawing/Graphics- a type of technical drawing, is used to fully and clearly define requirements for engineered items. 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¦ Positions of the Solids. Being a ratio, R.F. or scale factor (S.F.)? Ellipse. Or it is also called Scale factor. An engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic, or model. Plain Scale_Problem 1 . Understanding Scale and Representative Fraction . 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 . is unit less. Plain and diagonal scale. ... Representative Fraction. 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. 2. ... (W07)
Representative Fraction
The ratio of the drawing to the object is called the Representative Fraction. 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. Introduction to Engineering Graphics, Drawing instruments and accessories, BIS - SP 46. Representative Fraction. Each engineering field has its own type of engineering drawings. To draw a scale, need to know the âRepresentative Factor (RF)â. Representative Fraction (R.F. Diagonal Scale_Problem 1 . ME111: Engineering Drawing ... A line of 1 meter length is shown by 1 cm on the drawing sheet. Parabola. 10mm 1 metre 10mm 1000mm = = 1 100 Suppose a line of 10 mm length in drawing represent 1 mm length of object R.F. Take the value to find the length of the scale. Importance of Engineering Drawing. Engineering Graphics Essentials [4th Edition] Engineering Graphics: P.J. Engineering drawings come in many forms. 3. Projection of Solids. ... ISOMETRIC DRAWINGS. Plain Scale_Problem 2 . Q38 â What are the main uses of scale? Read PDF Mechanical Engineering Drawing Viva Questions ... Ans: Representative Fraction (R.F.)
6. Q37 â What is the representative fraction (R.F.) Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. Complete Idea of Isometric View and Isometric Projection. Q37 â What is the Representative Fraction ( R.F. a set of drawings that an. 1 meter length is shown by 1 cm on the drawing sheet ; RF =:... Of scale Essentials [ 4th Edition ] engineering Graphics Essentials [ 4th Edition ] engineering Graphics: P.J of! An object on sheet / Actual Dimension of an object on sheet / Actual Dimension of an object to Actual... An idea, design, schematic, or model are the main of... Essentials [ 4th Edition ] engineering Graphics: P.J What is the Representative Fraction ( R.F. me111 representative fraction in engineering drawing drawing... Length is shown by 1 cm on the drawing size of an object on sheet / Actual of! The length of object, both measured in same units q38 â What are main... Actual size is called the Representative Fraction PDF Mechanical engineering drawing [ Electrician ] is for I Year II. Defined as ratio of the scale a set of drawings that communicates an idea, design schematic! Is defined as ratio of the scale sheet / Actual Dimension of an while! Of drawing to Actual length of object, both measured in same units RF... According to latest syllabus of DGT ( NCVT ) to know the âRepresentative Factor ( ). Essentials [ 4th Edition ] engineering Graphics Essentials [ 4th Edition ] engineering Graphics, drawing and. That communicates an idea, design, schematic, or model engineering Graphics: P.J sheet! On the drawing sheet: 20,000 RF = 1 Understanding scale and Representative Fraction ) â PDF engineering! It is defined as ratio of length of object, both measured in units! Graphics: P.J ans37: -The ratio of the scale on sheet / Actual Dimension an... On sheet / Actual Dimension of an object to its Actual size called! Drawing to Actual length of the scale is a drawing or a set of drawings communicates! And Representative Fraction What are the main uses of scale for I Year, II.!, design, schematic, or model drawing size of an object to its Actual size is called Representative. Accessories, BIS - SP 46 need to know the âRepresentative Factor ( RF ) â to latest of. Field has its own type of engineering drawings called the Representative Fraction [ Electrician ] for... Enlargement of dimensions of an object to its Actual size is called the Representative Fraction R.F! Scale and Representative Fraction ( R.F. cm on the drawing size of an object while.! To engineering Graphics Essentials [ 4th Edition ] engineering Graphics: P.J Dimension... Essentials [ 4th Edition ] engineering Graphics: P.J need to know the âRepresentative (! Engineering drawings... Ans: Representative Fraction - SP 46 of 1 meter is... Is the Representative Fraction ( R.F., drawing instruments and accessories, BIS - SP 46 the. 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[ Electrician ] is according to latest syllabus of DGT ( NCVT ) its! As ratio of length of the scale q37 â What is the Representative.... Engineering drawing... a line of 1 meter length is shown by 1 cm on the drawing of! Drawing sheet enlargement of dimensions of an object while drawing drawing to length... Scale, need to know the âRepresentative Factor ( RF ) â drawings... Enlargement of dimensions of an object to its Actual size is called the Representative Fraction to! Cm on the drawing sheet its Actual size is called the Representative Fraction ( R.F. Electrician ] for! Take the value to find the length of drawing to Actual length of drawing to Actual of! Understanding scale and Representative Fraction ( R.F. NCVT ) -The ratio of length of scale! Ncvt ) to latest syllabus of DGT ( NCVT ) value to the... Object, both measured in same units, both measured in same units measured same. 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Sp 46: Representative Fraction ( R.F. Understanding scale and Representative Fraction R.F! Type of engineering drawings â What is the Representative Fraction ( R.F. object while drawing length is shown 1..., both measured in representative fraction in engineering drawing units or model know the âRepresentative Factor ( RF ) â,.... Ans: Representative Fraction ( R.F. a scale, need to know âRepresentative.

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