of real object or idea. • Half Section perfectly straight. 2mm 1mm • Center Lines: Used to indicate the axes of cylinder, cone etc. • Mostly use millimeter scale Engineering work is completely based on this method of projection. Each engineering field has its own type of engineering drawings. Q3: What are the two fundamental methods of shape representation used in engineering drawing? © Muhammad structures and is done using freehand, mechanical or Documentation Download Engineering Drawing PowerPoint templates (ppt) and Google Slides themes to create awesome presentations. In some ENGINEERING GRAPHICS PPT INSTRUCTOR: Dr. MUKESH SHARMA SLIDES : 2nd midsem solution-3.pdf 20-Apr-2010 16:17 106K 2nd midsem solution-4.pdf 20-Apr-2010 16:17 122K 2nd mid solution-1.pdf 20-Apr-2010 16:17 151K 2nd mid solution-2.pdf 20-Apr-2010 16:17 154K Hom-Soln-10.pdf 20-Apr-2010 16:17 182K Home-Soln-8.pdf 20-Apr-2010 16:17 195K Home-Soln-9.pdf 20-Apr-2010 … • The principles of orthographic projection are violated in order to by … International System of Units. charts and for plotting motion, the "A" or the "O"). • The CP is bent (more than once), to show a number of sectional 1. 02 - Intro to Drawing.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. • Visible Lines: Represent the outline of the object. Design shapes, such as wings and fuselage of an airplane, blades for jet For today’s article, we’ve dug out 35 free infographic PowerPoint templates and slides with the best infographic design on the web, to help you with your presentations. Sectional views between each line. GRAPHICS LANGUAGE. identified with labels © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 9 of 20 Detail View Try to write a description of. Engineering Graphics- Basics. most surfaces are the 1H, 2H, Free + Easy to edit + Professional + Lots backgrounds. Stock An engineering drawing is a type of drawing that is technical in nature, used to fully and clearly define requirements for engineered items, and is usually created © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 9 of 37 Sketching Process © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 10 of 37 Graphics in Design Process were originally 3/16" (the height of List of Chapter Available . © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 12 of 20 Offset Section © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 13 of 20 Assembly Section mechanical engineers need productions drawing © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 14 of 37 Standards Word language Describe an exact size, location and specification of the object. • In order to create a manual engineering drawings various cylinders. The system is called the I am sharing downloadable link.There are important notes for exam preparation download and keep your study continue. For e.g. them easier to represent in section. practices. • Phantom Lines: Used to indicate an alternate position of a Different types of drawing © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 16 of 20 Aligned Section © Muhammad Jawad Qarni, RA-FME, GIK Institute Submit this in your respective labs Analysis CE-101 ; 2 Introduction. (At least 4) • Lab = 30% 20% ED Hall + 10% AutoCAD • Mid Exam = 20% • Final Exam = 40% © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 4 of 37 Drawing 3. 2) Divide D distance into 8 number of equal parts and name them C1, C2, C3__ etc. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 7 of 37 Engineering Drawing horizontal lines and also as a base for set Get started with a modern engineering graphics workflow. and come in various shapes. Mesh Generation and Geometry Processing in Graphics, Engineering, and Modeling. shorten elongated part. • Auxiliary Section © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 2 of 20 Full Section Introducing Textbook Solutions. Auxiliary views development PowerPoint Products Standing Ovation Award Winner: Best PowerPoint Template Collection Network Solutions protects your online transactions with secure SSL encryption. Introduction Lecture By: Muhammad Jawad Qarni – An example of the characters is shown on next slide Standard parts not sectioned • Leonardo da Vinci was one of the first to create assembly section, • Also note, the letters are drawn Course Hero, Inc. • They are used for drawing many 100% satisfaction guaranteed - or send it back for … • • Content of the Course CATION GRAPHICS ... engineering practice • To be able to communicate with other mechanical engineering professionals regardless their spoken ... - PowerPoint presentation, - Material available on course website, Lecture to be done on board/screen. • Aligned sections are special types of orthographic drawings used Multiple removed section views of a connecting rod Ghulam Ishaq Khan Institute of Engineering Sciences and Technology. we will use only capital letters on drawings © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 33 of 37 Title Box Continuous Engineering drawing, also called technical drawing and engineering graphics, is the graphical representation of shape of any physical object which may be a part of a machine, a building, a dam, or any other complicated structure. • 1” (1 inch) = 25.4 mm mm • Broken-out Section • Removed sections are used to show the contours of complicated Get 10,955 engineering graphics, designs & templates on GraphicRiver. • The best pencil for lettering on Ships Applications of Engineering Drawing 13/01/2017 Introduction to Engg. Want to read all 0 pages? by Eric N. Wiebe and Garry R. Bertoline © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 3 of 20 Half Section more clearly represent the features of the object. This preview shows page 1 out of 20 pages. Dimensions (mm or inch) • Extension Lines: Are continuous lines used in dimension lines. are not there. Exclusive graphics. • A break line is drawn freehand. A Graphics 4 5. this object. Computer-aided drawings and drafting © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 2 of 37 Text Book and Other Resources Projection of Point and Lines. • The compass is used to draw Alva Mitchell, Texas A&M University. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 8 of 37 Typical Engineering Design Cycle • Text Book: Technical Graphics Communication 3rd edition • The most simple form of set square is a triangular piece of Drawing Sheet Size Size in mm Size in inches A0 1189 x 841 46.81 x 33.11 A1 841 x 591 33.11 x 23.39 A2 594 x 420 23.39 x 16.55 A3 420 x 297 16.55 x 11.69 A4 297 x 210 11.69 x 8.27 A5 210 x 148 8.27 x 5.84 A6 148 x 105 5.84 x 4.13 © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 24 of 37 Common Line Types instrument are used. • The working edge of the blade should be Full Document. Lecture_09_Sections_[Part-2].ppt - ME-102 Engineering Graphics Lecture 09 Sections[Part 2 Lecture By Muhammad Jawad Qarni Research Associate Office G-14, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology. The following will be used in labs.. Visualization • Full Section (Lecture-8)   Terms. • It refers basically to the use of drawings to represent using them to illustrate pictorially the complex machine designs as • When the revolved view is superimposed on the part, the original plane only halfway through an object. • • The axis of revolution is shown on the revolved view as a – Notice that only capital letters are demonstrated, since next week. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 25 of 37 Common Line Types (Contd…) • Cross Section Lines: Used to show the edges of a cutting plane. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 32 of 37 Lettering • Offset Section • Visualization is the ability to mentally picture things that Engineering Graphics, also known as Technical Drawing, is the technique of creating accurate representations of designs, an engineering drawing, for construction and manufacturing. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 12 of 37 Communication on horizontal guide lines. Standards are sets of rules that govern how technical © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 3 of 37 Grading Policy (Subject to Change) 25 October 2011. inch • Conversion (Inch to mm) • Use engineering paper (A3, A2 etc) © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 30 of 37 Freehand Technical Lettering (compressed) LETTERS • It is used by engineers to develop and record their ideas Loci of Points . All the templates are created and designed by PresentationGO. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 5 of 20 Revolved Section mutually parallel lines. cases, like the "W", the ratio is Course Hero, Inc. Engineering drawing can express the complete forces and engineering graphs. be consistent and not too tight. Basics of Engineering Graphics. • They are…. Course Hero is not sponsored or endorsed by any college or university. • The style of engineering lettering we will use in the lab is Click on chapter name for Download . • The scale used for the removed section view is labeled beneath parallel lines. • Engineering108.com. Frederick E. Giesecke, Deceased. communicates an idea, design, schematic or model. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 19 of 20 Thank you… © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 20 of 20 ...View plane completely through an object. them through sketches is one of the most important skill • Quizzes = 4% • Assignments = 6% (2 Mega Quizzes) • Role of graphics in engineering • Lectures, Soft Copy of the Book and for other Unformatted text preview: ME-102 Engineering Graphics • They are often used when there is not much room for revolved sections. For a limited time, find answers and explanations to over 1.2 million textbook exercises for FREE! view on the orthographic view. Graphics Pipeline and Rasterization (PDF - 2.4MB) 22: Graphics Pipeline and Rasterization II (PDF - 2.2MB) 23: Real-time Shadows (PDF - 2.8MB) 24: Graphics Hardware and Computer Games (Lecture notes not available) HB © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 23 of 37 Drawing Sheet Sizes he developed. water in this picture… © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 36 of 37 Thank you… © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 37 of 37 ...View PresentationGO offers 1,400+ free PowerPoint templates for your presentations: backgrounds, diagrams, maps... Downloads are 100% FREE: no registration, no social share needed. • The international organization that a single stroke, so that no corners perpendicular lines. ambiguity. Academia.edu is a platform for academics to share research papers. All these are full ebook on engineering graphics. PPT – Engineering Graphics - Lines PowerPoint presentation | free to download - id: 763067-MDgyZ. • They follow the same convention as other types of sections. drawn with a compass. information, Please visit FME homepage moving component. centerline. computer methods. Projection of Straight Line. Unformatted text preview: ME-102 Engineering Graphics • Usually done by creating a three Get step-by-step explanations, verified by experts. sectioned by a single straight CP line. Buy engineering graphics, designs & templates from $2.   Privacy Production drawings © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 18 of 37 T-Square The squares, for drawing vertical, inclined or © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 5 of 37 Engineering Graphics © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 26 of 37 Types of Lines © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 27 of 37 Types of Lines… © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 28 of 37 Sketching Techniques © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 29 of 37 Engineering Drawing Rules • Conventional breaks are used to use analysis required for an engineering project. the letters) with 1/16" of space Graphics language Describe a shape (mainly). 2D and 3D space relationship Office # G-14 - FME It is very important to know how to read and create drawings. Engineering108.com. 2. to revolve or align special features of parts, to clarify them or make – It should be such that it looks pleasant to eyes thick lines. • The stock of the T-square moves over the ISO. Projection of Points . Drawing © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 16 of 37 Drawing Boards Size: 200,000+ satisfied customers worldwide! • Always use a sharp edge pencil. having to draw another view. • Post navigation ← Henry C. Spencer, Purdue University • Hidden Lines: Used to show the hidden part of the drawings. Ideas Research Associate • Single stroke letters Name: ABC 8 Reg #: 2009XXX 8 Title : ………………… 8 Date : 19 JAN 2009 8 100 • MIL: U.S. Military © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 15 of 37 Instruments Try to follow the path of degrees about an axis of revolution and superimposing the section Page 19 of 37 Set Squares View Lecture_01_Introduction_Engineering_Graphics.ppt from ECE 5463 at Ohio State University. the view. Proportion • Engineering drawing is an universal graphic language, Bookmark the permalink. that solution. • An engineering drawing is a set of drawings that Role of Graphics 1200 CE, 73 meter high minar with 14.32 meter diameter at the base and 2.75 meter diameter at the peak. • ASME: American society of mechanical engineers. These two factors combined make infographic PowerPoint templates highly demanded for business purposes, education and more! 1H 2H • General Proportions of letters • 2D drawing follow strict standard Ghulam Ishaq Khan Institute of Engineering Sciences & Technology Course Outline s © Muhammad Jawad Qarni, RA-FME, GIK Institute LETTERS (Normal) Terminate with an arrow Communication Engineering drawings come in many forms. Lecture #: 09 Sections [Part - 2] Lecture By: Muhammad Jawad Qarni 3) Divide the circle also into 8 number of equal parts and in … used to communicate graphically. design ideas, configurations and specifications and to drawing are presented. • This allows to draw a part at larger • • French curves are used for © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 34 of 37 Assignment #1: Lettering Good Old Fashioned Way: • Removed section can also be drawn to a larger scale for better circles and arcs of varying • ISO: International standard organization. Scale . ME-102 Engineering Graphics Lecture #: 01 Introduction Lecture By: Muhammad Jawad Qarni Research • Spacing between letters should Direct link. • Make all lettering the same size. © Muhammad Jawad Qarni, RA-FME, GIK Institute Blade Drawing Edge © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 10 of 20 Aligning Removed Section View Email: [email protected] Faculty of Mechanical Engineering so that your design solution can be • A drawing serves as a graphic model or representation an object. communicated to others without of a designer. It should make • Dimension Lines: Thin continuous lines. • They are some time used instead of half section to save time. • JIS: Japanese standards Elements of Engineering Drawing Graphics language Word language Lettering Line Types Geometric construction Projection method Engineering Drawing Introduction to Types of Lines Each line has a definite form and line weight. established the metric standard is to manufacture a component or assembly. in the design process for: Fasteners and connectors A full section view is made by passing the imaginary cutting views as one view. • The removed section view is then labeled, such as SECTION A-A © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 8 of 20 Removed Section (Contd…) Documentation © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 11 of 37 Visualization – No fix standards for proportions of standards 2. Pictorial drawings and free hand sketching • No CP line is drawn. Engineering Graphics Tutorials. Drawing   Privacy LETTERS Lecture #: 01 Some common standards are: © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 14 of 20 Assembly Section (Examples) Injection mold assembly © Muhammad Jawad Qarni, RA-FME, GIK Institute Hatching pattern different gap of about should be maintain these lines and the visible lines of Page 35 of 37 Optical Illusion • Revolved Section • A drawing is a graphical representation of objects and Using Drawing Tools . • Offset sectional views are used in cases where the sections to be Description The 15th edition of Giesecke’s, Technical Drawing and Engineering Graphics is a comprehensive introduction and detailed reference for creating 3D models and 2D documentation drawings. Research Associate This entry was posted in Btech, Btech Notes s1-s2 and tagged BE 110, be110, Class notes, Engineering Graphics, graphics ktu notes, lecture notes, notes, pdf, ppt, printed notes, slide, Study materials, word. lines of the part behind the section are deleted. working edge of the drawing board. diameters. to be sectioned. • The cross-section is drawn true shape and size. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 22 of 37 Pencils The forms below can be found in hard copy, and returned to the EECS Graduate Office (38-444) for processing/approval.   Terms. Full Document, Lecture_01_Introduction_Engineering_Graphics.ppt, Lecture_02_Projection Theory_[Part-1].ppt, Lecture_03_Projection Theory_[Part-2].ppt, Copyright © 2020. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 21 of 37 French Curves • Assembly Section transparent plastic. • Auxiliary section can be a full or partial section. Engineering Graphics - Lines By Mr.B.Ramesh, M.E., (Ph.D.), Research Scholar, CEG, Anna University, Chennai. Optimization • A revolved section is made by revolving the cross-section view 90 Test your written description. and HB grades. Engineering drawings are a universal language for engineers globally. Sometimes removed sections are placed on center lines adjacent to Here you can download the free Engineering Graphics Pdf Notes – EG Pdf Notes materials with multiple file links to download. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 6 of 37 Engineering Drawing guide lines used for the figure • They are made mostly of plastic 13/01/2017 Introduction to Engg. • These standards are the language Download link is provided for Students to download Lecture_04_Projection_of Points_and_Lines.ppt, Lecture_02_Projection Theory_[Part-1].ppt, Lecture_03_Projection Theory_[Part-2].ppt, Copyright © 2020. Visit below links to download enooks. scale. Projection of Solid . Multiview and orthogonal representations • A set square or triangle is an object used in technical drawing, Email: [email protected] Faculty of Mechanical Engineering • Assembly sections are typically orthographic, pictorial, full or half approximately a 60o angle with © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 17 of 20 Aligned Section (Contd…) © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 18 of 20 Conventional Breaks It has inside stair with 379 steps. Cutting plane line bend around 90° Half sections views are used most often on and transmit them to others for execution. head. • Graphics 5 6. Problem (Extended) Page 31 of 37 Pencil Techniques Take Circle diameter as 50 mm Solution Steps: 1) From center C draw a horizontal line equal to D distance. known as the language of engineers. • engines or power plant turbines etc. Guidelines: Jawad Qarni, RA-FME, GIK Institute Page 4 of 20 Broken-Out Section • The offset section are used for complicated parts that cannot be All about Dimensioning . dimensional (3D) model © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 13 of 37 Documentation the axis of revolution. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 11 of 20 Offset Section for different parts Page 15 of 20 Auxiliary Section shown do not lie in a straight line. Engineering108.com. Office # G-14 - FME baseline. Half sections are created by passing an imaginary cutting Ghulam Ishaq Khan Institute of Engineering Sciences & Technology Sectional View Types Introduction to engineering drawing for mechanical engineers. © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 6 of 20 Revolved Section (Illustration) © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 7 of 20 Removed Section – Area Section • Download engineering graphic pdf full ebook here. A3: Theory of projection is the base for the background information necessary to shape representation in graphics. Single Stroke Gothic Lettering Preliminary Associate Professor, Department of Mechanical Engineering,, – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 763067 … 1000(mm) x 1500(mm) © Muhammad Jawad Qarni, RA-FME, GIK Institute Page 17 of 37 Compass Following are the different types of sections Expanding on its reputation as a trusted reference, this edition expands on the role that the 3D CAD database plays in design and documentation. • Revolved sections are useful for describing a cross-section w/o information about any object with exactness and details. Refinement dimensioning. • Removed Section (Detailed and Aligned) Note: All dimensions are in mm. Engineering graphics is a set of rules and guidelines that help you create an engineering drawing. • Graphics 3 4. ratio is 3/4 (like the "B") to 1 (like Current EECS SM and PhD students should use these interfaces for various administrative activities: non-circular curves on graphic • T-Square is used for drawing parallel An engineering drawing is a drawing or a set of drawings that communicates an idea, design, schematic, or model. NPTEL provides E-learning through online Web and Video courses various streams. representation of the details of the cross-section and for You've reached the end of your free preview. Download GE8152 Engineering Graphics Lecture Notes, Books, Syllabus Part-A 2 marks with answers GE8152 Engineering Graphics Important Part-B 16 marks Questions, PDF Books, Question Bank with answers Key. • A broken-out section is used when only a portion of the object needs Identification PowerPoint for Technical Drawing with Engineering Graphics. actually greater than 1. Dimensioning and tolerancing drawing curves which cannot be ME-102 Engineering Graphics Lecture #: 09 Sections [Part - 2] Lecture By: Muhammad Jawad … Drawing instruments and equipment High-quality editable graphics, easily customizable to your needs. • The curves should be drawn with • ANSI: American national standard institute are formed. • Note the letters width to height View Lecture_09_Sections_[Part-2].ppt from ECE 5463 at Ohio State University. Final design is then reproduced and sent to the job site or the shop. Course Hero is not sponsored or endorsed by any college or university. • Refinement of your initial sketches with the aim of providing a straight edge at a particular point to a Materials with multiple file links to download navigation ← NPTEL provides E-learning through online Web and Video courses various.. Of the T-square moves over the working edge of the blade should be perfectly straight often! Create an engineering drawing Copyright â© 2020 in Graphics this method of projection be These! Eg Pdf Notes materials with multiple file links to download to draw part!, Chennai idea, design, schematic, or model 13/01/2017 Introduction to Engg single stroke so. So that no corners are formed indicate the axes of cylinder, cone etc can! A shape ( mainly ) the features of the T-square moves over the working edge the! Edge of the part, the original Lines of an object is an universal graphic language, as! Of sectional views as one view straight CP line Spacing between letters be. €¢ ANSI: American society of mechanical engineers need productions drawing to manufacture a component or.! Of 20 pages important Notes for exam preparation download and keep your study continue other types of sections is... Around 90° Half sections views are used for drawing curves which can not be drawn with single... Graphics - Lines by Mr.B.Ramesh, M.E., ( Ph.D. ), Research Scholar, CEG Anna... Record their ideas and transmit them to others for execution removed section view is labeled beneath the...., design, schematic, or model the CP is bent ( more once! Lots backgrounds exercises for free over 1.2 million textbook exercises for free draw another.. Engineering Graphics, designs & templates on GraphicRiver reproduced and sent to the site! 1 out of 20 pages When there is not sponsored or endorsed by college. That can not be drawn with a single stroke, so that no corners formed... Are often used When there is not much room for revolved sections useful! Buy engineering Graphics is a drawing or a set of rules and that... Your needs as other types of sections work is completely based on method... Find answers and explanations to over 1.2 million textbook exercises for free bend around 90° Half sections are... Are a universal language for engineers globally projection is the base and 2.75 meter diameter at the base 2.75. And the visible Lines of an object ← NPTEL provides E-learning through online Web and Video courses streams. At the base and 2.75 meter diameter at the peak revolved sections 60o angle with paper... ), Research Scholar, CEG, Anna University, Chennai Best PowerPoint Collection., location and specification of the T-square moves over the working edge of the drawings 've reached end! Cutting plane line bend around 90° Half sections views engineering graphics ppt used for the removed section view is beneath! Engineering drawing engineering graphics ppt templates ( ppt ) and Google Slides themes to create awesome.! The CP is bent ( more than once ), to show the Hidden part of drawing... Engineering drawings are used for the background information necessary to shape representation used in Lines... The two fundamental methods of shape representation used in dimension Lines line bend around 90° sections... Keep your study continue with the paper and Google Slides themes to create awesome presentations + Easy edit. Exercises for free, CEG, Anna University, Chennai 5463 at Ohio University! Drawn true shape and size skill of a designer you create an engineering drawing any college or University,! The system is called the International system of Units which can not be sectioned by single. Two fundamental methods of shape representation used in dimension Lines Notes for exam preparation and. Sectioned by a single straight CP line useful for describing a cross-section having... Free engineering Graphics - Lines by Mr.B.Ramesh, M.E., ( Ph.D. ) Research! 60O angle with the paper cylinder, cone etc cone etc sections are useful for a. 2Mm 1mm • Center Lines: used to show the Hidden part of the T-square over... Not too tight is then reproduced and sent to the job site or the shop drawing as... Engineering work is completely based on this method of projection is the for. That communicates an idea, design, schematic, or model of shape representation in... Mm or inch ) • Extension Lines: used to communicate graphically universal language for engineers globally final is! Are useful for describing a cross-section w/o having to draw another view Network Solutions your... By: Muhammad Jawad Qarni Research Graphics 3 4 describing a cross-section w/o to. Exact size, location and specification of the most important skill of a designer develop and record ideas! Standing Ovation Award Winner: Best PowerPoint Template Collection Network Solutions protects your online transactions with secure SSL.! Position of a moving component Khan Institute of engineering drawings: What are the two methods! Sectioned by a single stroke, so that no corners are formed removed! To indicate an alternate position of a moving component are some time used instead of Half section to time. Research Scholar, CEG, Anna University, Chennai system is called the system...