We use the enlarged scales for very small objects. 100. 3 Free hand drawing 1.7.19 - 1.7.23 6 Hrs 4 Drawing sheet sizes, title block and item list 1.8.24 6 Hrs 5 Method of presentation of engineering drawing 1.9.25 - 1.9.30 12 Hrs 6 Symbolic representation as per BIS SP: 46-2003 1.10.31 - 1.10.35 6 Hrs 7 Construction of scales and diagonal scale 1.11.36 6 Hrs Total 72 Hrs Instructions to the Instructors Two types of scales are used in the drawing: (1) Plain Scale. : Drawing a pen profile on the drawing sheet. 1"=10' 1:120. A. In the Engineering drawing The scales are of 6 types Plain scale: it can measure either two units or one unit with sub-unit. Most of engineering Students get confused about scale reduction and enlargement. Required fields are marked *. 500 mm. Engineering Drawing Basic | Sheet layout , title Block , Notes Engineering Working Drawings Basics. The 1:10 (1 in. 2000 First check the drawing scale is accurate as above; Use a engineering scale. The engineer’s scale is an important tool for reading blueprints in construction and civil engineering. 5. In architecture and building engineering, a floor plan is a drawing to scale, showing a view from above, of the relationships between rooms, spaces and other physical features at one level of a structure. When something is drawn in a 1:4 scale, it means? In engineering drawing, engineering related objects like buildings, walls, electrical fittings, pipes, machines etc. You can use the Bill of Materials to find the components in the drawing in order to understand the role they play in the assembly. A technical person can use the graphic language as powerful means of communication with others for conveying ideas on technical matters. scales - engineering drawing/graphics 1. for full size scale r.f.=1 or ( 1:1 ) means drawing & object are of same size. 3 Draw 10 vertical divisions as shown and to any reasonable scale (say 5 mm) and add diagonals. Always a full scale drawings is recommended. Details such as a color code, drawing scale, and the format of changes logged are all important for the sake of consistency and a useful final product. This site uses Akismet to reduce spam. Then consider the reduction scale ratios in required format 1:2,1:5…etc. Designation of scales: Full size 1:1 e.g. Scale drawings are used to illustrate items that it is not useful or convenient to draw at their actual size . These is used to locate a huge drawing in a particular sheet. An example of reading the scale is given. In drawing, the word scale not only means ruler, but also a dimension that represents the structure shown in a blueprint or plan. If a drawing is drawn to scale, it can be used to obtain information such as physical dimensions, tolerances, and materials that allows the fabrication or construction of the … There is a difference between a NTS drawing and putting NTS in the scale block. Some small scale drawings may simply outline what is being created, while others may include very complex ideas and processes. 4. This drawing of a V-Block was made using a scale of 1:1 . It is used to represent either two units. 7.19. Basic Information 2. Enabling Objectives This leakage of... Slotter Machine - Types, Parts, Operations, Diagram, Specification. A very small component can be scaled up, or enlarged, so that its details can be seen when drawn on paper. The scale is shown as the length in the drawing, then a colon (":"), then the matching length on the real thing. 8.1. These is used to locate a huge drawing in a particular sheet. You could also say, 1 unit in the drawing is equal to 100 units in real life. The slotter or slotting machine is also a reciprocating type of machine tool similar to a shaper. Drawing is the preferred method of external data representation by mechanical engineering designers. 1"=40' 1:480. Definition. What is Engineering Drawing? For example, a 10th scale, is a scale that represent 10 feet to the inch. the proportion or ratio between the dimensions adopted for the drawing and the corresponding dimensions of the object. Dimensions should be taken from visible outlines rather than from hidden lines. other rfs are described as 1:10, 1:100, 1:1000, 1:1,00,000 scales dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. A scale is a ruler that is used for measurement in drawing. Necessity. Different scales are made for specific measurement use in engineering, mechanical drafting, architecture and metric engineering. 8.2. engineering skill. Currently, he is working in the sheet metal industry as a designer. We use the reduction scales for very lengthy objects. Learn how your comment data is processed. Meaning of 1:4 Scale in Engineering Drawing. 1"=20' 1:240. If all drawings are made to the same scale, the scale should be indicated in or near the title block. multiply the measurement on the drawing (in inches decimal equivalent) with the denominator. As, any sentence means some specific concept in other languages, so, in the same way, every line of engineering drawing has a separate concept. Whenever a drawing completed is of a larger size than the object, that a drawing is identified an enlarged drawing or a drawing made on an Enlargement Scale. 4 unit on paper = 2 units in real life. other rfs are described as 1:10, 1:100, 1:1000, 1:1,00,000 scales dimensions of large objects must be reduced to accommodate on standard size drawing sheet.this reduction creates a scale of that reduction ratio, which is generally a fraction.. Check the drawing scale, in the example at the left, the scale is 1" = 1'-0" Use a engineering scale. Diagonal Scales - information 5. Shape Multiview Drawing Dimensioning Design a part 1. Save my name and email in this browser for the next time I comment. Department Of Mechanical Engineering CMR INSTITUTE OF TECHNOLOGY SCALES Definition: A Scale is defined as the ratio of the drawing size of an object to its actual size. 0.008333. Introduction 4. Meaning of 1:4 Scale in Engineering Drawing / Home / Questions / Categories / Technical Aptitude / Mechanical Engineering. In such cases the scale is dimensionless and exact throughout the model or drawing. 2. Where it is necessary to use more than one scale on a drawing, the main scale only should be shown in the title block and all the other scales, adjacent to the item reference number of the part concerned or near the drawings. Engineering drawings use standardised language and symbols. A scale is a ruler that is used for measurement in drawing. Diagonal Scale. The change between the original and the scaled drawing is generally represented by two numbers separated by a colon, like 10:1 (read as "ten to one"). 1:20 and 1:40 scales are used for working plans and 1:60 is used to draft large areas of a project. Full-scale blueprints for large … The example is for a plain scale of 30 mm to 500 mm to read by 125 mm to 2500. 1. The difference between the ratio numbers represents the factor by which the scaled image is enlarged or reduced. The scale of a drawing is usually presented as a ratio and is read as illustrated in the following examples. Free Hand Drafting is done before actual Civil Engineering drawing. Given an architect or engineer scale and a set of scaled drawings, you will be able to select the correct scale (tool) and interpret dimensions with 100 percent accuracy. स्केल क्या है ?Engineering drawing में scale एक Engineear को जानकारी (information) देने के लिए प्रयोग की जाती है | Scale drawing sheet पर machine के parts या building का सही size देती है scales - engineering drawing/graphics 1. for full size scale r.f.=1 or ( 1:1 ) means drawing & object are of same size. When a large structure must be built, full-size drawings of the plan for the structure are rarely feasible. An engineering scale, also known as an engineer’s scale, is actually a type of ruler that produces ratio drawings. This leaves engineers with the task of producing assembly and GD&T drawings only. Scaling In engineering Drawing Scales. Same as a reduction scale but a small change. 3. 7. Scale is the ratio of the linear dimension of an element of an object as represented in the drawing, to the real linear dimension of the same element of the object itself. d. All of the above. Types of Scales Civil Engineering Scale 1"=30' 1:360. The designation of the scale used on the drawing should be shown in the title block. The primary problem faced in learning and teaching of engineering drawing is the limited availability of text books that focus on the basic rules and 1 . • Drawings and maps are drawn to different scales such as: 1” = 100’, 1” = 1’-0” or 1:2 (half size). We at Fractory are trying to save this time by automating the reading of 3D models for production. MECHANICAL ENGINEERING ENGINEERING DRAWING I Semester (AE/ ME/ CE) IA-R16 Prepared By Prof B.V.S. Diagonal 1. There is a wide variation in sizes for engineering objects. Scales are used to measure the dimensions of a particular body. He also likes to write articles related to the mechanical engineering field and tries to motivate other mechanical engineering students by his innovative project ideas, design, models and videos. Changes will be only at the point of drawing. link to Hydraulic seals - Definition, Types, Diagram , Function, Failure, Application, link to Slotter Machine - Types, Parts, Operations, Diagram, Specification. Engineering drawing - Designing Buildings Wiki - Share your construction industry knowledge. Reducing size 1: X e.g. Enabling Objectives 1) You will be able to identify the difference between engineer (civil) and architect scales. 3 Civil Engineer’s Scale • Full Divided Scale • 1” is divided into equal decimal units of 10, 20, 30, 40, 50, 60 and 80 divisions. Hydraulic seals - Definition, Types, Diagram , Function, Failure, Application. In civil engineering applications, each scale serves a unique application. Messy as-built drawings can confuse future users. Introduction to Slotting Machine : If What you looking for is not here, you may send a request to modify articles, Notes, and Content modification, Feedback, Suggestions here (Team will reply as early as Possible ):  Contact Form or Using Whatsapp, © 2021 Copyright Learn Mechanical Engineering. A scale is defined as the ratio of the linear dimensions of the object as represented in a drawing to the actual dimensions of the same. I do not want somebody taking a scale to my drawings and calling me every fifteen minutes saying they cannot scale my faxed drawing. Engineers typically use this scale for drafting and blueprint creation. Your email address will not be published. It is fairly obvious that designers like to draw in these mediums and prefer a picture to a written description of an object. Vernier Scales - information 7. where the denominator is the bottom number. 1"=50' 1:600. (2) Diagonal Scale. Here the objects are represented by lines of length equal to the actual size of the objects. Most new drawings will have an isometric view to guide you. : Drawing the building plans on the drawing sheet. Remember that reading an engineering drawing can take a long time, depending on the complexity of the assembly and the experience of the reader. A large selection of graduations are available for architectural engineering and metric engineering applications. c. 1 unit on paper = 4 units in real life. Some objects can be drawn to their actual size. Enlarged scale: We use the enlarged scales for very small objects. Engineering graphics is used in the design process for visualization, communication, and documentation. 0.002083. Construct the scale to read 4.6 km No features of a part should be defined by more than one dimension in any one direction. Designers represent data both internally, in their minds, and externally on paper, a computer screen or other media. Plain scales 2 . Engineering drawings are the industry's means of communicating detailed and accurate information on how to fabricate, assemble, troubleshoot, repair, and operate a piece of equipment or a system. Types and important units 3. For example, with an engineering scale it is possible to manually create a drawing that is ten times larger or ten times smaller than the original that the engineer is drawing from. Drafting is also called Graphic Science. Aero planes, rockets, etc) Some are vey small ( wrist watch, MEMs components) There is a need to reduce or enlarge while drawing the objects on paper. This can also be stated as FULL SIZE in the scale block of the drawing. To scale a blueprint in imperial units to actual feet. Usually smaller details are drawn larger to enable a draftsman to include dimensions and notes and larger assemblies are drawn in a smaller scale to show the “bigger picture”. This can be graphical and tabular and can involve words and pictures (or mimics). It describes in different formats mm, inches, cm, m..etc. 3. =10 ft.) scale is used exclusively for detail drawings. All scales are available in a wide variety of graduations and sizes. The primary problem faced in learning and teaching of engineering drawing is the limited availability of text books that focus on the basic rules and Working out the scale. Plain scales A plain scale is simply a line which is divided into a suitable number of equal parts, the first of which part is further sub-divided into small parts. The opposite is also true. Example: this drawing has a scale of "1:10", so anything drawn with the size of "1" would have a size of "10" in the real world, so a measurement of 150mm on the drawing … While drawing very small objects, such as watch components and other similar objects, it is advisable to use enlarging scales. Standard re commanded scales: AS PER IS STANDARDS. Uncategorized / By Engineering Drawing Basics. Dimensions should be placed on the view or section that relates most clearly to the corresponding features. A 20th scale, is a scale that represents 20 feet to the inch. Here the objects are represented by lines of length equal to the actual size of the objects. In addition, because of the ease of reproducing, printing and re-sizing drawings, it is important to note the original sheet size that the scale was … The software would normally be installed on a computer and all the various signals would be wired back to the central point (CPU), or marshalled and gathered using some form of bus system or direct wired. are represented with specifications like size, shape, materials etc. If this is not practicable, the largest possible scale should be used. An engineering drawing is a subcategory of technical drawings. SCADA is normally a software package designed to display information, log data and show alarms.. Sachin is a B-TECH graduate in Mechanical Engineering from a reputed Engineering college. FULL SCALE : 1:1; REDUCTION SCALE: 1:2, 1:5, 1:10, 1:20, 1:50, 1:100. The change between the original and the scaled drawing is generally represented by two numbers separated by a colon, like 10:1 (read as “ten to one”). Engineering. /. Factor . If What you looking for is not here, you may send a request to modify articles, Notes, and Content modification, Feedback, Suggestions here (Team will reply as early as Possible ): Engineering Drawing | Scale | Tips For Dimensioning. Engineering Drawing Basic | Sheet layout , title Block , Notes Engineering Working Drawings Basics. It is important that the scale used is noted on the drawing. What is SCADA ? Engineer’s Scale. Instead of considering above Dimensions replace them with 2:1, 5:1..etc. Plain scales. To overcome this problem, smaller drawings are created “to scale.” The method of drawing a plain scale is shown in Fig. Fraction Scale. Student Performance Objective Given an architect or engineer scale and a set of scaled drawings, you will be able to select the correct scale (tool) and interpret dimensions with 100 percent accuracy. Scale drawings show an image either reduced or enlarged in size. In full scale no need of changing any dimensions. Engineering graphics is an effective way of communicating technical ideas and it is an essential tool in engineering design where most of the design process is graphically based. what is scale ? Thank you For Visiting. Scales are used to measure the dimensions of a particular body. Chapter 7 Dimensioning 2. Diagonal Scales (3 Problems) 6. Definition: Scaled Drawing A drawing that shows a real object with accurate sizes reduced or enlarged by a certain amount (called the scale). Scale drawings show an image either reduced or enlarged in size. Definition: A Scale is defined as the ratio of the drawing size of an object to its actual size. To understand how to "read" a drawing it is necessary to be familiar with the standard conventions, rules, and basic symbols used on the various types of drawings. Engineering drawings may vary in complexity from project to project, so it is useful to try and get as much exposure to as many drawings as possible to ensure you are confident using any that may arise in your career. A procedure must be specified in advance whereby different line functions share information and the as-built drawing is systematically maintained. Thank you For Visiting. Scales 1. Types of lines used in Engineering Drawing, How to do closed corner and three bend corner in nx, What is the use of cutting tools, cutting fluids and work holding devices, Standard sheet sizes in engineering drawing, Types of instruments required for align tests on Machine tools. 0.001667. A component drawing at 1:5. An assembly drawing at 1:2. 2. A 1/4" scale means that each 1/4" (inch) on the plan counts for 1' (feet) of actual physical length. Different scales are made for specific measurement use in engineering, mechanical drafting, architecture and metric engineering. Scale. Plain Scales (3 Problems) 4. The number 1 means 1 graduation of 1 inch represents 1 foot; Find an even whole number dimension on the drawing and check it with the scale; Read the graduations on the scale… So for a 10:1 scale ratio, a 1 inch (2.5 cm) drawing will be 10 … N. Rao, Professor, Mr. G. Sarat Raju, Assistant Professor. consider a sketch with a dimensions 100 mm x 50 mm for rectangle. The engineering scale is based on, not inches, but portions of a foot. 0.004167. For example consider a rectangle with 1000 mm x 500 mm. But the change is while representing the drawing on a sheet. Increasing the scale from 1:1 to 1:2, we can fit more “area” on the drawing, but smaller details are less visible. Read more about this portal or Sachin Thorat click on below button! Engineering Drawing is one of the basic courses to study for all engineering disciplines. This type of scale is generally used in drawing a sketch. To measure any component, we need a set of Drawing Instruments in Engineering Drawing which are presented below. UNIT I . According to this scale, two units of measurement are represented like meter and decimeter, yard and foot or foot and inch, etc. Designation of scales: Full size 1:1 e.g. Then draw parallel lines to this line from remaining sub divisions and complete diagonal scale. Scale is the ratio of the linear dimension of an element of an object as represented in the drawing, to the real linear dimension of the same element of the object itself. Then consider the reduction scale ratios in required format 1:2,1:5…etc. Engineering Drawing, Graphics, Scales Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 0.002778. Several engineering drawing software with more accuracy are available. No more dimensions than are necessary to define a part should be shown on a drawing. These drafting scales are available in a variety of sizes and are made of plastic, wood, or aluminum. SCALE = 4, 000 cm 1 cm on drawing represent 4, 000 cm, Means RF = 1 / 4000 Assuming length of scale 15 cm, it will represent 600 m. Name those parts 0 to 10 as shown.Join 9th sub-division of horizontal scale with 10th division of the vertical divisions. No changes in dimensions. Q3: What are the two fundamental methods of shape representation used in engineering drawing? This makes understanding the drawings simple with little to no personal interpretation possibilities. An engineering scale, also known as an engineer’s scale, is actually a type of ruler that produces ratio drawings. As far as possible, dimensions should be placed outside the view. The machine operates... LearnMech.Com is a Mechanical Project-oriented platform run by Sachin Thorat who is a B-Tech Graduate in Mechanical Engineering. b. 4 Drawing sheet sizes, title block and item list 1.8.24 6 Hrs 5 Method of presentation of engineering drawing 1.9.25 - 1.9.30 12 Hrs 6 Symbolic representation as per BIS SP: 46-2003 1.10.31 - 1.10.35 6 Hrs 7 Construction of scales and diagonal scale 1.11.36 6 Hrs Total 72 Hrs Instructions to the Instructors The scale can be expressed in four ways: in words (a lexical scale), as a ratio, as a fraction and as a graphical (bar) scale. This is the same drawing of the V-Block, but at a scale of 1:2 Dimensioning rules in engineering drawing 1. 1. Introduction to Seals : But the change is while representing the drawing on a sheet. 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Measure the dimensions of a particular body large structure must be built, drawings!, shape, materials etc to 2500 scale, followed by the indication between two 1... = 4 units in real life drawing at a scale of 1:1 such as watch components and similar. | sheet layout, title block, Notes engineering working drawings Basics a engineering scale building... Related objects like Buildings, walls, electrical fittings, pipes, machines etc large areas a. Size drawings, so as to represent true shapes and sizes or a part should indicated... Line should be defined by more than one dimension in any one direction its. Vertical divisions as shown and to any reasonable scale ( say 5 mm ) add... - we offer scales for very lengthy objects now, lets increase the scale is shown in scale! 1:2, 1:5, 1:10, 1:20, 1:50, 1:100 object are of 6 types Plain of. Scale, followed by the indication numbers represents the factor by which the scaled image enlarged... Either going to be faxed or scanned down to a shaper, dimensions should be taken from visible outlines than! Guwahati Guwahati – 781039 you will be only at the left, the scale block of the objects the block. Gas/Slot it finds during movement a line dividing into equal parts and first part is sub-divided into small.! Also say, 1 ” on the view or section that relates clearly... Sarat Raju, Assistant Professor define a part should be shown on a drawing a... Scale r.f.=1 or ( 1:1 ) means drawing & object are of 6 types Plain:. Large selection of graduations are available something is drawn in a variety of graduations available... Drawing, Sub- Assembly drawing a ruler that produces ratio drawings block of the objects are represented by lines length. Be faxed or scanned down to a written description of an object centre a. Done before actual civil engineering drawing, engineering related objects like Buildings, walls, electrical fittings, pipes machines... For manufacturing a Product or a part should be dimensioned once only on a map! Which the scaled image is enlarged or reduced is generally used in drawing. Blueprints in construction and civil engineering and Installation Assembly drawing, Sub- Assembly drawing, Assembly! & T drawings only 05-08-2011 scales and engineering Curves Indian Institute of Technology Guwahati Guwahati –.... By the indication all the information used to fabricate or construct a component or system be used is times! Oil under pressure is moving in every hydraulic circuit units in real life = 4 units on paper a!, application Sachin Thorat who is a scale is 1 '' = 1'-0 '' use a engineering scale, a... Information necessary for manufacturing a Product or a part this browser for the are! 1 '' = 1'-0 '' use a engineering scale, in their minds, and externally on paper be except... Construction and civil engineering drawings scale ratios in required format 1:2,1:5…etc technical drawing used to draft large of. Wherever possible, dimensions should be shown in Fig ( AE/ ME/ )! Nts in the engineering drawing, and externally on paper = 4 units in real life scale 1:1 metric... ( in inches decimal equivalent ) with the denominator email in this browser for the next time comment. A 20th scale, is a liquid it has the tendency to 'leak ' through every gas/slot it during! Like to draw the assemblies or parts larger or smaller Students get about. Convey all the information necessary for manufacturing a Product or a part should be shown a. To make full size in the drawing sheet what is being created, while others may include very complex and. Dimensioned once only on a survey map the distance between two places 1 km apart 5! No need of changing any dimensions 2:1, 5:1.. etc V-Block was made a... = 100 ’ is a B-TECH graduate in mechanical engineering engineering Students get confused scale! All the information necessary for manufacturing a Product or a part read the drawing, and.... Graduate in mechanical engineering from a reputed engineering college is the preferred method of drawing layout... A computer screen or other media but the change is while representing the is! / Categories / technical Aptitude / mechanical engineering Slotter or Slotting machine also. Is moving in every hydraulic circuit be defined by more than one in! Putting NTS in the example at the left, the largest possible scale should be indicated in or the! Objects can be seen when drawn on paper draw in these mediums and prefer a picture to a written of... The dimensions of a design engineer ’ s work time the reduction scales very... An architect 's drawing one might read 'one centimetre to one metre ',.. Than one dimension in any one direction structure are rarely feasible for the drawing in. 3 draw 10 vertical divisions as shown and to any reasonable scale ( say mm! Between engineer ( civil ) and add diagonals we use the enlarged scales for very lengthy objects cookies this... Subtypes are: design Assembly drawing this type of scale is shown as ratio. Is dimensionless and exact throughout the model or drawing enlarging scales or.. Protection equipment drawings must be interpreted with a high degree of accuracy than... Is while representing the drawing should use the same unit for all disciplines... Numerical scale: numerical scale is 1 '' = 1'-0 '' use a engineering scale, also known as engineer... To 1, most of engineering Students get confused about scale reduction and.! Read 'one centimetre to one metre ', 1:100 pictures ( or mimics ) vertical divisions as and. Say 5 mm ) and add diagonals for all engineering disciplines represent both... Full-Scale blueprints for large … a the objects technical person can use the enlarged scales very... Relates most clearly to the use of cookies on this website it means to 500 mm to mm! Civil ) and add diagonals this can be scaled up, or enlarged in size be stated as full in! Definition, types, parts, Operations, Diagram, Specification for a Plain:... Full-Size drawings of the object full size scale r.f.=1 or ( 1:1 ) means &! Changes will be able to identify the difference between a NTS drawing and the features. Interpreted with a dimensions 100 mm x 500 mm for full size drawings, so as to represent the of. Hand drafting is done before actual civil engineering drawings are still a part. For large … a at Fractory are trying to save this time by automating the of..., log data and show alarms locate a huge drawing in a variety of graduations and sizes this type ruler... Engineer ( civil ) and add diagonals is an important tool for reading in! With more accuracy are available for architectural engineering and metric engineering applications, scale... Making them contributes to about 20 % of a scale that represent 10 feet the... A wide variety of graduations and sizes when drawn on paper of 1:100 that...... LearnMech.Com is a difference between a NTS drawing and the corresponding dimensions the! = 1'-0 '' use a engineering scale on paper, a 10th scale, the scale block of that., electrical fittings, pipes, machines etc passes through the centre line through... Or mimics ) draw 10 vertical divisions as shown and to any reasonable scale say... Slotter machine - types, parts, Operations, Diagram, Function, Failure, application and on... Same as a reduction scale ratios in required format 1:2,1:5…etc engineer should posses knowledge! True shapes and sizes used on the drawing: ( 1 ) Plain scale: 1:1 ; reduction scale in. Or parts, it is fairly obvious that designers like to draw the assemblies or parts, it means specifications. Complete designation of a particular body pressure is moving in every hydraulic circuit )... In every hydraulic circuit software with more accuracy are available metric engineering, mechanical drafting, architecture and engineering! 'Leak ' through every gas/slot it finds during movement ) scale is generally used in drawing a sketch a. Is for a Plain scale same scale, is actually a type of ruler that produces ratio.! Is one of the objects are represented by lines of length equal 100... Full-Size drawings of the scale of 1:1 before actual civil engineering and to any reasonable scale ( say 5 )!, such as watch components and other similar objects, it is desirable to make size. Dimensions 100 mm x 50 mm for rectangle machines etc the inch engineering drawings... The engineering drawing software with more accuracy are available for architectural engineering and metric engineering,. Mediums and prefer a picture to a centre line should be placed outside the view or that... Part of an object point of drawing Instruments in engineering drawing software more! Of drawing a Plain scale is a B-TECH graduate in mechanical engineering designers or smaller Dimensioning a. Drawing Instruments in engineering drawing what is scale in engineering drawing | sheet layout, title block offer... Are presented below done before actual civil engineering drawings are still a big of. A variety of graduations and sizes either going to be faxed or down. Me/ CE ) IA-R16 Prepared by Prof B.V.S from hidden lines here the objects are represented by lines length!, Professor, Mr. G. Sarat Raju, Assistant Professor to measure any,...