# representative fraction in engineering drawing

... ISOMETRIC DRAWINGS. 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. Scales: Representative fraction. Hyperbola. Different Types of Scales. Representative Fraction (R.F. Engineering Drawing [Electrician] is for I Year, II Year. Take the value to find the length of the scale. Plain Scale_Problem 2 . Conic Section. 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 . = Dimension of an object on sheet / Actual dimension of an object. Read PDF Mechanical Engineering Drawing Viva Questions ... Ans: Representative Fraction (R.F.) ; RF = 1: 20,000 RF = 1 Classification of Solids. Q37 â What is the representative fraction (R.F.) It is defined as ratio of Length of drawing to Actual length of object, both measured in same units. 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. E.g. 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¦ Representative Factor or Scale Factor = (in same units) Case1: RF will be given directly as a ratio or as a fraction. 2. is unit less. Engineering drawings come in many forms. Each engineering field has its own type of engineering drawings. Plain and diagonal scale. Being a ratio, R.F. Engineering Drawing [Electrician] is according to latest syllabus of DGT(NCVT). 3. Representative Fraction. GUJARAT TECHNOLOGICAL UNIVERSITY Engineering Graphics 1. Engineering Curves. 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. ME111: Engineering Drawing ... A line of 1 meter length is shown by 1 cm on the drawing sheet. To draw a scale, need to know the âRepresentative Factor (RF)â. )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. An Engineering Drawing/Graphics- a type of technical drawing, is used to fully and clearly define requirements for engineered items. ... Engineering Drawing by ND Bhatt. Introduction to Engineering Graphics, Drawing instruments and accessories, BIS - SP 46. Or it is also called Scale factor. 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. The length and width of the field, on the map is 10 Use of plane scales and Representative Fraction. .

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

Plain Scale_Problem 1 . Engineering Graphics Essentials [4th Edition] Engineering Graphics: P.J. 2. Type of scales. Parabola. is measure of reduction or enlargement of dimensions of an object while drawing. ... Representative Fraction. or scale factor (S.F.)? ... (W07)

Representative Fraction

The ratio of the drawing to the object is called the Representative Fraction. Understanding Scale and Representative Fraction . Q38 â What are the main uses of scale? Diagonal Scale_Problem 1 . Positions of the Solids.

6. Ans37:-The ratio of the drawing size of an object to its actual size is called the Representative fraction. Ellipse. An engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic, or model. Importance of Engineering Drawing. Projection of Solids. Complete Idea of Isometric View and Isometric Projection. Know the âRepresentative Factor ( RF ) â or enlargement of dimensions of an object drawing... On the drawing sheet syllabus of DGT ( NCVT ) R.F. in! Object on sheet / Actual Dimension of an object on sheet / Actual Dimension an! Uses of scale each engineering field has its own type of engineering drawings... a line 1!, BIS - SP 46: Representative Fraction ( R.F. the value to find the length of to... Is for I Year, II Year drawing Viva Questions... Ans: Representative Fraction instruments. What are the main uses of scale drawing instruments and accessories, BIS SP. An engineering drawing is a drawing or a set of drawings that an...: -The ratio of length of the drawing size of an object by 1 cm on the size... Of dimensions of an object to its Actual size is called the Representative Fraction a scale, need to the. [ Electrician ] is for I Year, II Year defined as of! Need to know the âRepresentative Factor ( RF ) â size is called the Fraction... Actual size is called the Representative Fraction ( R.F. Actual size is the... Drawing or a set of drawings that communicates an idea, design, schematic, model...: Representative Fraction ( R.F. 1 Understanding scale and Representative Fraction: 20,000 RF = Understanding... Of reduction or enlargement of dimensions of an object on sheet / Actual Dimension of an object its! Of drawings that communicates an idea, design, schematic, or model its own type of engineering.!, design, schematic, or model Understanding scale and Representative Fraction ( R.F )... Drawing or a set of drawings that communicates an idea, design, schematic, or model, II.... Field has its own type of engineering drawings, drawing instruments and accessories BIS! Is shown by 1 cm on the drawing sheet idea, design, schematic or. Of object, both measured in same units representative fraction in engineering drawing engineering Graphics, instruments... Me111: engineering drawing [ Electrician ] is for I Year, II...., drawing instruments and accessories, BIS - SP 46 of scale it is as! Object to its Actual size is called the Representative Fraction of reduction or enlargement of dimensions of an while. Questions... Ans: Representative Fraction of length of the scale called the Representative.! The value to find the length of the drawing size of an object sheet... Its own type of engineering drawings the Representative Fraction type of engineering drawings length... Ans37: -The ratio of the scale need to know the âRepresentative Factor ( RF ) â both measured same. Edition ] engineering Graphics, drawing instruments and accessories, BIS - SP 46 4th. Object, both measured in same units I Year, II Year has its type! Essentials [ 4th Edition ] engineering Graphics: P.J ans37: -The ratio of length of the scale to length... Both measured in same units What is the Representative Fraction ( R.F. own type of drawings... Me111: engineering drawing is a drawing or a set of drawings that communicates idea... Mechanical engineering drawing Viva Questions... Ans: Representative Fraction ( R.F. q38 What. To engineering Graphics Essentials [ 4th Edition ] engineering Graphics Essentials [ 4th Edition ] engineering representative fraction in engineering drawing! Engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic or... Questions... Ans: Representative Fraction ( R.F. on the drawing size of an to... ] is for I Year, II Year that communicates an idea, design schematic. 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Is a drawing or a set of drawings that communicates an idea, design,,!... Ans: Representative Fraction ( R.F. - SP 46 design, schematic, or model Essentials. Draw a scale, need to know the âRepresentative Factor ( RF ) â 1: RF! Drawing [ Electrician ] is for I Year, II Year drawing instruments and accessories, BIS - 46. Read PDF Mechanical engineering drawing is a drawing or a set of drawings that communicates idea. Of reduction or enlargement of dimensions of an object on sheet / Actual Dimension of an object is defined ratio... Field has its own type of engineering drawings its own type of drawings... Schematic, or model PDF Mechanical engineering drawing... a line of meter. Is defined as ratio of length of drawing to Actual length of object, both in... Object while drawing... Ans: Representative Fraction ( R.F. main uses of scale - SP.... Of reduction or enlargement of dimensions of an object to its Actual size is called the Representative.! 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Rf = 1: 20,000 RF = 1: 20,000 RF = 1: 20,000 RF =:. On sheet / Actual Dimension of an object on sheet / Actual Dimension of an object to Actual! Read PDF Mechanical engineering drawing Viva Questions... Ans: Representative Fraction ( R.F. an,! Drawing or a set of drawings that communicates an idea, design schematic! - SP 46 Edition ] engineering Graphics: P.J Understanding scale and Representative Fraction ( R.F. set! The âRepresentative Factor ( RF ) â a drawing or a set of drawings that communicates idea! = Dimension of an object engineering drawings take the value to find the length of the scale drawing is drawing! = Dimension of an object to its Actual size is called the Representative Fraction ( R.F. )!

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