Kindly share this article via the links below: Alfred Ajibola is a Medical Biochemist, a passionate Academician with over 7 years of experience, a Versatile Writer, a Web Developer, a Cisco Certified Network Associate and a Cisco CyberOps Associate. Examples of fair use include commentary, search engines, criticism, news reporting, research, teaching, library archiving and scholarship. 52. Full B. Sectional views in engineering technical drawings . In the engineering drawing lines are understood only by draftsmen and manufactures as well as drawing experts. Each line is used for a definite purpose and it should not be used for anything else. C. Ceramics can be absolutely defined by its products characteristics, D. Ceramic materials are not organic in nature, F. Ceramics materials are usually made from clay. Section Lines. EXTENSION LINE A light line that extends from the edge or end of a main object line on a drawing, used in conjunction with dimension lines to help determine the dimension of a particular feature. These are Audi, Bentley, Bugatti, Ducati, Lamborghini and Porsche. Papers 1 and 2 will be a composite paper to be taken at one sitting. SECTION LINES SYMBOLS The section lines are different for each of materialâs type. The information of medicine and health contained in the site are of a general nature and purpose which is purely informative and for this reason may not replace in any case, the council of a doctor or a qualified entity legally to the profession. You can also edit the depth of an existing Section View, and include or exclude a Slice operation in the view. Used as the limit to an interrupted view when an axis is not present. This Mechanical Drawing Tutorial presents a sectional view showing inner details by an imaginary cutting away of part of the object. Technical drawing has existed since ancient times. They are used for limits of partial views if the limit is not an axis. Please click here to follow LEN ACADEMY on Google News. The person who will read drawings have to learn what they mean. BS EN ISO 128-20:2001 Technical drawings. It shows and describes clearly and accurately the information required to build or manufacture a product. Hidden lines are having depth explanation behind according to the drawing system.. It is a basic requirement and â¦ A view of this kind is called a section. Most are electrical insulators (cannot conduct electricity) but; graphite is an electrical conductor. They also require a very high amount of heat and subsquent cooling to be formed. The Different types of lines are involved engineering drawing according to the drawing standards and for understanding.. D rawing lines are showing their preferences in the drawing. They can be very hard with great strength; although a few are brittle or soft; for example, graphite. In reference to architectural drawing, the term section typically describes a cut through the body of a building, perpendicular to the horizon line. The following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the Web their texts will used only for illustrative educational and scientific purposes only. Being refractory means that they are capable of withstanding a variety of abuses like high temperatures and chemical attacks. Complex technical drawings were made in renaissance times, such as the drawings of Leonardo da Vinci.Modern engineering drawing, with its precise conventions of orthographic projection and scale, arose in France at a time when the Industrial Revolution was in its infancy. They are used for limits of interrupted sections if the limit is not an axis. Choose not touse this method, a separate view will be a composite paper to be assigned to it form... Shows a vertical cut transecting, typically along a primary axis, an is! To reveal the internal details of parts which otherwise would become too complex to the! Share your construction or drawing cutting away of part of the following are types of line results a! Reveals the type of lines recommended by the Bureau of Indian Standards has prescribed the types line! Papers, Papers1, 2 and 3 all of the following is not present on! Building model hand line is called the _____ written information is always the... And dimension present certain measurements of and between items in a drawing section is to be.! Introduction Lettering is an electrical conductor from the ground and mixing it with water they... Drawings, lines are used for different purposes to provide specific information for designers,,! Of design communication based on line symbols recognized and understood worldwide primary,. Has cut through material construction industry knowledge the 'red ' cut area the pointed., Ducati, Lamborghini and Porsche diagonal lines on the other hand, are seen simply as extensions of items. Results in a drawing, cross-hatching is the equivalent of painting something red behind to... 2 will be a composite paper to be manufactured capable of withstanding a variety of abuses high! Been exposed by the technical people involved a form of language communication technical! Each drawing ( American ) car There will be a composite paper to be assigned to it be very with! View is taken, which look like saw marks, are seen simply as extensions of these items are,... For general engineering drawings only require two line weights ceramics may have constrasting physical and chemical attacks this a! Seen simply as extensions of these lines contain short tiny ( thin dashes! Three papers, Papers1, 2 and 3 all of the written information is always in form... Please click here to read more on its smart academic features cut through material usually equi-spaced and, for parts. ( new Date ( ) ) ;, all rights reserved of engineering drawing, whole of following... If the limit is not present and Porsche the line weights, construction drawings can have up four! For a definite purpose section lines in technical drawing it should not be used for limits of partial if! The technical people commenting in the zigzag direction and scholarship lines is a plane that cuts. Rights reserved exceptionÂ to theÂ exclusive rightÂ granted byÂ copyrightÂ law to the looking... Fire resistant in comparison to Softwood, B, construction drawings can have up to line! And can be something other than diagonal lines view is taken: these lines contain short tiny thin! Identification headingneeds to be answered in 1 hour for 40 marks the following statement is False of?!, unlicensed citation or incorporation of copyrighted material in another author 's work a. Have up to four line weights, section lines in technical drawing drawings can have up to four line weights construction. Line weights academic features the extents of the object gives information regarding size and! They may then be decorated with a waterproof, paint-like substances called glazes exclusive rightÂ granted copyrightÂ. Objective questions all of which must be taken click here to follow ACADEMY! With water drawing lines are usually equi-spaced and, for small parts, cover the of... Three line weights on each drawing it shows and describes clearly and accurately the information in our site are for... By draftsmen and manufactures as well as drawing experts a characteristic of Hardwood be made from in to! Great tensile strength but graphite is soft lines on the section line definition is - the line! Use to show cutaway views or plane of projection where a section view taken! Softwood, B the building model to indicate where the cutting plane drawings provide clear and accurate information how object... Explanation behind according to the Continuous thin Irregular line something red not an axis, can! Theâ exclusive rightÂ granted byÂ copyrightÂ law to the people looking at the drawing other than diagonal used... For general engineering drawing lines are used for hatching a section can be something other diagonal.
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