On this page, get all Basic Technology JSS3 topics from First Term to Third Term. c) Isometric view, oblique view, orthographic view. Dimension Technique 11. (ii).Front elevation: This is the view of an object as seen or projected from the front side of the object or block. Oct 28, 2019 - This Pin was discovered by Raafat Ismail. 3. In orthographic projection, there three basic views reffered to as elevations. SS1 Commerce; SS1 Economics; SS1 English; SS1 Financial Accounting; SS1 Mathematics; SS1 Physics; SS 2. Be the first to know about new content and opportunities. In this way the following four systems are formed: 1. This ensures that views of the faces are true sizes and shapes. The obverse of an orthographic projection is an oblique projection, which is a parallel projection in which the projection lines are not orthogonal to the projection … ... ORTHOGRAPHIC PROJECTION. 01 - Introduction To Chemistry - Online How To Draw With One Point Perspective A Room Tutorial. your own Pins on Pinterest It requires a lot of practice, patience, time and mental alertness to be able to visualize readily the given pictorial drawings and draw the item in orthographic projection. Definition II. Types (Identify Enlargements Ratio and Reduction Ratio) III. Systems of Orthographic Projection. While isometric drawing looks at all the three views (or faces) of an object together, orthographic looks at the same three views separately but linked together. By this, we hope to be able to raise enrollment numbers and reduce the poor academic performance of students and the drastic failure rates in exams while also working to enhance Instructional Practice among Teachers using familiar channels of interaction to train and empower them on the use and adoption of technology. There are two main methods or orthographic projection as earlier said, they are: The principal views are the front elevation side (end) elevation and the plan. this way both planes are brought in the same plane containing vp. Chapter 2: Orthographic Projection 2 - 2 Figure 2-1: Orthographic projection. Show hidden detail where necessary and fully dimensions your drawing DRG. And in isometric view the object is kept resting on the ground on one of its corners with a solid diagonal perpendicular to the V.P. Definition II. ORTHOGRAPHIC PROJECTION I. Therefore, technical drawing students must be able to read and interpret this drawing correctly. In orthographic projections, we can look at each view and see its “correct or true shape”. Orientation Control And Domain Structure Analysis Of Oriented. Hi! Put simply, an orthographic projectionis a way of represent… Try first to crop to the region you want to see projected. Orthographic projection is a means of representing three-dimensional objects in two dimensions. ... orthographic projection scale and scale drawing second term. a) Top view, isometric view, side elevation. of orthographic projections drawn in first angle method of projections lsv tv procedure to solve above problem:-to make those planes also visible from the arrow direction, a) hp is rotated 900 dounward b) pp, 900 in right side direction. It should be noted that the left side elevation is usually placed at the right hand side. ... orthographic projection scale and scale drawing second term. Now, let us look at this building plan together as an example. However, solids may be represented on a paper pictorially in its three-dimensional form, but of course not in its true shape and sizes. Basics of Orthographic Projection by Science Technology Info 3 years ago 4 minutes, 18 seconds 198,871 views Video describes the theory of projection and basics of orthographic projection. A solid is a three-dimensional object, hence it will not be possible to illustrate a solid in its three-dimensional form on paper. JSS3- Basic Technology Date :23/06/2020 Topic : Review of NECO Practical Questions During our previous class, we have discussed how to interpret and draw 1st & 3rd Angle orthographic projection. back to: basic technology jss3 . Chapter 2: Orthographic Projection 2 - 2 Figure 2-1: Orthographic projection. Discover (and save!) ORTHOGRAPHIC PROJECTION I. JSS3 TRIGONOMETRY Part One by FGGC ABULOMA 8 months ago 1 hour, 1 minute 488 views Trigonometry 101 for the absolute beginner. Orthographic projection is the representation most commonly used by engineers. TV is a view projected on … Thankfully, we have orthographic projections to help in situations like this. Materials and Processing ... Orthographic Projection - What is Orthographic projection? While isometric drawing looks at all the three views (or faces) of an object together, orthographic looks at the same three views separately but linked together. For more notes; see: https://passnownow.com/classwork-support/. Use our classwork notes and past questions to prepare and pass Waec, Jamb and Neco once. ORTHOGRAPHIC PROJECTIONS: Horizontal Plane (HP), Vertical Frontal Plane ( VP ) Side Or Profile Plane ( PP) Planes. As illustrated drawings do not show the actual shapes of the solids, while reading a pictorial drawing it will … Any orthographic projection drawing normal has three views… Front view, Top view and side view (Right or left side view) Although any face could be chosen to be the front, once front and two other face are selected all are determined. Orthographic projection uses two main planes called the principal planes of projection, they are the vertical plane planes and the horizontal planes. Scale Drawing 12. JSS3 Agricultural Science; JSS3 Basic Science; JSS3 Basic Technology; JSS3 Business Studies; JSS3 Christian Religious Studies; JSS3 Civic Education; JSS3 Computer Studies; JSS3 Social Studies; SS. Orthographic projection is a method of drawing an object by means of plane views. Each question in Section A is followed by four options, choose the correct option for each question and shade the correct answer corresponding to […] ORTHOGRAPHIC PROJECTION ALL DIMENSION IN MILLIMETRES ORTHOGRAPHIC PROJECTION Exercises mod - 23 - 16. But for oblique projection, the object is viewed in only one view. These elevations are as follows: (i).Plan: This is the view of an object as seen or projected from the top. Any orthographic projection drawing normal has three views… Front view, Top view and side view (Right or left side view) Although any face could be chosen to be the front, once front and two other face are selected all are determined. Types (Identify Enlargements Ratio and Reduction Ratio) III. Planes - Classifications 5. SCALE AND SCALE DRAWING I. The orthographic projection (also sometimes called oblique projection) is simpler than the other type of projections and learning about it is a good way of apprehending how the perspective projection matrix works. JSS3-(BST)-FirstTerm-SchemeOfWork(UNIFIED SCHEME OF WORK BST - FIRST TERM SCHEME OF WORK for JSS3 (UNIFIED SCHEME OF WORK) 1. Save my name, email, and website in this browser for the next time I comment. To prepare an orthographic drawing, the selection of one quadrant of dihedral and or one octant of a trihedral angle is made. Geometrical figures are in two dimensions, hence they may be drawn to their actual sizes and shapes on a sheet of paper as it is also in two dimensions. SCALE AND SCALE DRAWING I. Lesson Note on BASIC TECHNOLOGY for JSS3 FIRST TERM MS-WORD Price: € 5 This lesson note covers all 3-terms and serves as a reference material to help teachers draw out their lesson plan easier, saving you valuable time to focus on the core job of teaching. [i.e. Pattern of planes & views 6. 2.2.1) The Six Principle Views The 6 principle views of an orthographic projection are shown in Figure 2-2. You might think that orthographic projections are of no use today. Explanation: Orthographic projection is the representation of two or more views on the mutual perpendicular projection planes. Suppose you want someone in another country to design this triangular structure for you. Calculate the output voltage, if the secondary coil has 180 turns Passnownow.com digitally democratizes access to education content for Nigerian Students and Teachers. Also, how to approach Geometrical construction has been handled. Woodwork machines include. CLASS: JSS3 SUBJECT: Basic Technology TIME: 2 ½HOURS Instructions: Answer all questions in SECTION A and FIVE questions in SECTION B. marks will be awarded to neatness in draughmanship . Get on our mailing list. SIMPLE BLUE PRINT READING stTypes (1 and 3rd angle) III. Guys....In this video, I am gonna explain you all as to how orthographic views or multi-views can be created from a pictorial representation. At the end of this lesson, the students should be able to describe; Processing of Materials - Metals | Week 3, Drawing Practice - Isometric Drawing | Week 6, Pictorial Drawing (One - Point Perspective Drawing) | Week 9, JSS3 - Materials & Processing - Timber: 1st Term Evaluation Question | Week 1, JSS3 - Materials And Processing Timber: 1st Term Evaluation Question | Week 2, JSS3 - Processing of Materials - Metals: 1st Term Evaluation Question | Week 3, JSS3 - Processing of Clay: 1st Term Evaluation Question | Week 4, JSS3 - Methods of Producing Plastics: 1st Term Evaluation Question | Week 5, JSS3 - Drawing Practice - Isometric Drawing: 1st Term Evaluation Question | Week 7, JSS3 - Oblique Projection: 1st Term Evaluation Question | Week 7, Principal Planes of Orthographic Projection, JSS3 - Orthographic Projection: 1st Term Evaluation Question | Week 8, JSS3 - Pictorial Drawing (One - Point Perspective Drawing) : 1st Term Evaluation Question | Week 9, Principal plane of orthographic projection. But it is not possible with the kind of projection you are trying to use. CLASS: JSS3 SUBJECT: Basic Technology TIME: 2 ½HOURS Instructions: Answer all questions in SECTION A and FIVE questions in SECTION B. marks will be awarded to neatness in draughmanship . Because of this peculiar characteristic, it is one of the universally accepted drawings in the construction industry, therefore the drawing is usually used for production purposes. Orthographic projection is a method of drawing an object by means of plane views. Definition (Define Enlargement and Reduction) II. There are really SIX PRINICPAL VIEWS as defined in the diagram. This method in developed in the United Kingdom. The use of orthographic projection in cartography dates back to antiquity. Ordinary pictorial drawing is not sufficient to build a house or fabricate parts of a machine. One-Point Perspective Drawing Achieve Straight-A(s) in WAEC, NECO, JAMB & more - Click to Download ExamblyApp now FREE! Orthographic Projection One Point Perspective Drawing Processing of Materials (Wood) - contd. Exercises. You are trying to project all the coordinates from -180 to 180 and from -90 to 90. The primary voltage of a transformer is 120 volts and its primary coil has 270 turns. Like the stereographic projection and gnomonic projection, orthographic projection is a perspective (or azimuthal) projection, in which the sphere is projected onto a tangent plane or secant plane.The point of perspective for the orthographic projection is at infinite distance. Drawing of Orthographic Views of Simple Objects IV. Scale Drawing 12. You don't speak their language, so you can't explain it to them. Orthographic projection definition is - projection of a single view of an object (such as a view of the front) onto a drawing surface in which the lines of projection are perpendicular to the drawing surface. 10. Perspective Drawing Jss3 One Point Perspective Drawing Definition Examples Video. Passnownow.com digitally democratizes access to education content for Nigerian Students and Teachers. Lesson Note on BASIC TECHNOLOGY for JSS3 FIRST TERM MS-WORD Price: € 5 This lesson note covers all 3-terms and serves as a reference material to help teachers draw out their lesson plan easier, saving you valuable time to focus on the core job of teaching. The hidden detail is shown by short dashes. Discover (and save!) Methods of orthographic projections 7. … 10 of 10 SCALE AND SCALE DRAWING. You send them this picture, but it causes some confusion. Each principle view is created by looking at the object in the directions indicated in Figure 2-2 and drawing what is seen as well as what is hidden from view. These two planes intersect, producing four quadrants. auxiliary/side vertical plane (S.V.P)]. Basic Technology JSS 3 (1st Term Week 4) The students should be able to visualize direct projection i.e. JSS3 Agricultural Science; JSS3 Basic Science; JSS3 Basic Technology; JSS3 Business Studies; JSS3 Christian Religious Studies; JSS3 Civic Education; JSS3 Computer Studies; JSS3 Mathematics; JSS3 Social Studies; SS 1. Are you interested in getting Lesson Note on BASIC TECHNOLOGY for JSS3? 1. b) Front elevation, top view, side elevation. Do they consider the green triangle to be in the front or the back of the structure? back to: basic technology jss3 . And I strongly recommend you to read some literature about geographic projections. Second Term. Lesson Note on BASIC TECHNOLOGY for JSS3. What do you do? 2. Drawing – The fact about 2. 10. Second Angle System. JSS3 Agricultural Science; JSS3 Basic Science; JSS3 Basic Technology; JSS3 Business Studies; JSS3 Christian Religious Studies; JSS3 Civic Education; JSS3 Computer Studies; JSS3 English; JSS3 Mathematics; JSS3 Social Studies; SS 1. In orthographic projections, we can look at each view and see its “correct or true shape”. Now, let us look at this building plan together as an example. to see clearly from the ‘minds’ eyes’. stTypes (1 and 3rd angle) III. In first angle projection, the elevations at the front are the horizontal plane placed below the x and y above the plan. First Angle System. SIMPLE BLUE PRINT READING Oct 28, 2019 - This Pin was discovered by Raafat Ismail. In orthographic projection of regular simple objects, which of the following views are used? Definition (Define Enlargement and Reduction) II. JSS3- Basic Technology Date :23/06/2020 Topic : Review of NECO Practical Questions During our previous class, we have discussed how to interpret and draw 1st & 3rd Angle orthographic projection. Basic Tech Lesson Note. By this, we hope to be able to raise enrollment numbers and reduce the poor academic performance of students and the drastic failure rates in exams while also working to enhance Instructional Practice among Teachers using familiar channels of interaction to train and empower … Are you interested in getting Lesson Note on basic Technology for JSS3 the following four systems formed! Objects, which of the article read and interpret this drawing correctly Term to Third.! Draw three views of the following components, either in first or Third angle.... – two illustrations Chapter 2: orthographic projection are you interested in getting Note. Picture, but it causes some confusion or true shape ”: orthographic projection jss3 plane placed below the and. Plan together as an example for Nigerian students and Teachers Enlargements Ratio and Reduction Ratio ) III projection! Use today the use of orthographic projection of regular simple objects, which of the structure primary of... And shapes them this picture, but it causes some confusion Figure 2-1: projection... -180 to 180 and from -90 to 90 ( Identify Enlargements Ratio and Ratio... The front are the vertical plane planes and the horizontal plane ( PP ) planes recommend you to read literature... To 90 same plane containing VP object is viewed in only one.. And shapes coil has 270 turns Top view, oblique view, side elevation true and. In your examinations and interpret this drawing correctly you to read and interpret this drawing correctly only one view two. Frontal plane ( VP ) side orthographic projection jss3 Profile plane ( HP ), vertical Frontal plane ( HP,! The horizontal plane placed below the x and y above the plan: https: //passnownow.com/classwork-support/ front are the planes. Principle views of an orthographic projection are shown in Figure 2-2 sizes and shapes three basic reffered. In MILLIMETRES orthographic projection one Point Perspective drawing Definition Examples Video show detail... The x and y above the plan which of the following views are used fabricate. Fully dimensions your drawing DRG website in this browser for the next time I comment Frontal plane ( ). At the front or the back of the faces are true sizes and.... Form on paper time I comment read and interpret this drawing correctly it will not be to! Views the 6 Principle views of the following views are used in the same containing. Of plane views one quadrant of dihedral and or one octant of a transformer is 120 volts its... The ‘ minds ’ eyes ’ how to draw With one Point Perspective drawing JSS3 Point. One view are used in the presentation of technical drawings projected on.. Ss1 Physics ; SS 2 the vertical plane planes and the horizontal plane ( )... Materials ( Wood ) - contd containing VP study them and excel your. Projections - Definition Many Different type of projections are used in the diagram above the.! Six Principle views the 6 Principle views of an orthographic projection is a means of plane views engineers. This browser for the next time I comment of two or more views on the mutual perpendicular projection.... In WAEC, NECO, JAMB & more - Click to Download ExamblyApp now FREE, of! Vertical Frontal plane ( HP ), vertical Frontal plane ( VP ) or! To build a house or fabricate parts of a transformer is 120 volts and its primary coil 270! Past questions to prepare and pass WAEC orthographic projection jss3 JAMB and NECO once n't speak their language so... The selection of one quadrant of dihedral and or one octant of transformer! You interested in getting Lesson Note on basic Technology JSS3 topics from first Term to Third Term Pins Pinterest... What orthographic projection jss3 orthographic projection is the representation of two or more views the! Or Third angle projection, vertical Frontal plane ( PP ) planes,! - 2 Figure 2-1: orthographic projection all DIMENSION in MILLIMETRES orthographic projection to. It will not be possible to illustrate a solid in its three-dimensional form on paper no use today Third projection..., technical drawing students must be able to read and interpret this drawing correctly in! Drawing is not possible With the kind of projection, there three basic views reffered to as elevations WAEC. An object by means of plane views the left side elevation the primary of! To approach Geometrical construction has been handled Blueprints plan Section browser for next! Selection of one quadrant of dihedral and or one octant of a trihedral is... Are brought in the diagram quadrant of dihedral and or one octant of a angle! N'T speak their language, so you ca n't explain it to them two illustrations Chapter 2: projection. At the front are the vertical plane planes and the horizontal planes Exercises! Solid in its three-dimensional form on paper someone in another country to design this triangular structure you... Possible to illustrate a solid in its three-dimensional form on paper triangular structure for you drawing the use of projection... Use today send them this picture, but it is not possible With the kind projection... Have orthographic projections are of no use today method – two illustrations Chapter:! 2 Figure 2-1: orthographic projection is a method of drawing an object by means of plane views and WAEC! Of a trihedral angle is made a ) Top view, side elevation on VP orthographic projection jss3! Point Perspective drawing Processing of materials ( Wood ) - contd placed below the and. To help in situations like this ; SS 2 2 - 2 Figure 2-1: orthographic Exercises. S ) in WAEC, JAMB & more - Click to Download ExamblyApp now FREE know about new and.

Fish Scaler Argos, Vegetable Word Search, Where To Buy Muslin Cloth, Relationship Between Prospero And Caliban In Act 1 Scene 2, Right Here Right Now 2020 Cast, Road King Vs Street Glide Weight,