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Engineering Drawing I

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1st-sem_Engineering Drawing I.pdf

IOE Past Examination Paper

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Curriculum Syllabus & Course Topics

Sourced from TU curriculum portal
Full Syllabus (PDF)
Chapter-wise Units & Micro-Syllabus Topics (7 Units)

  1. 1. Instrumental Drawing, Technical Lettering Practices and Techniques

    • 1.1Equipment, materials and drawing sheets
    • 1.2Description of drawing instruments, auxiliary equipment and drawing materials
    • 1.3Techniques of instrumental drawing
    • 1.4Pencil sharpening, securing paper, proper use of T- squares, triangles, scales dividers, compasses, erasing shields, French curves, inking pens
    • 1.5Line: Types and uses, thickness

  2. 2. Dimensioning

    • 2.1Fundamentals and techniques
    • 2.2Size and location dimensioning, SI conversions
    • 2.3Scales: Types and representative factor
    • 2.4Use of scales, measurement units, reducing and enlarging drawings
    • 2.5Placement of dimensions: Aligned and unidirectional, chain, parallel/baseline and combined type
    • 2.6Tolerance dimensioning

  3. 3. Geometrical Construction

    • 3.1Plane geometrical construction: Proportional division of lines, trisection of angles, smooth arc and line tangents
    • 3.2Methods for drawing regular polygons and standard curves such as ellipses, parabolas, hyperbolas, involutes, spirals, cycloids and helices (Cylindrical and conical), ogee curve
    • 3.3Techniques to reproduce a given drawing (By construction)

  4. 4. Basic Descriptive Geometry

    • 4.1Introduction to orthographic projection, principal planes, four quadrants or angles
    • 4.2Projection of points on first, second, third and fourth quadrants
    • 4.3Projection of lines: Parallel to one of the principal planes, inclined to one of the principal plane and parallel to other, Inclined to both principal planes, traces of a line
    • 4.4Projection planes: Perpendicular to both principal planes, parallel to one of the principal planes and Inclined to one of the principal planes, perpendicular to other and Inclined to both principal planes
    • 4.5True length of lines: Horizontal, inclined and oblique lines
    • 4.6Rules for parallel and perpendicular lines
    • 4.7Point view or end view of a line
    • 4.8Shortest distance from a point to a line
    • 4.9Edge view and true shape of an oblique plane
    • 4.10Angle between two intersecting lines
    • 4.11Intersection of a line and a plane, visible portion of line
    • 4.12Angle between a line and a plane
    • 4.13Dihedral angle between two planes
    • 4.14Shortest distance between two skew lines
    • 4.15Angle between two non-intersecting (Skew) lines

  5. 5. Multi View (Orthographic) Projections

    • 5.1Orthographic projections
    • 5.1.1First and third angle projection
    • 5.1.2Principal views: Methods for obtaining orthographic views, projection of lines, angles and plane surfaces, analysis in three views, projection of curved lines and surfaces, object orientation and selection of views for best representation, full and hidden lines
    • 5.1.3Orthographic drawings: Making an orthographic drawing, visualizing objects (Pictorial view) from the given views
    • 5.1.4Interpretation of adjacent areas, true-length lines, representation of holes, conventional practices
    • 5.2Sectional views: Full, half, offset, broken (Partial), rotated/aligned, revolved, removed (Detail) sections, phantom of hidden section, specifying cutting planes for sections, convention practices
    • 5.3Auxiliary views: Basic concept and use, drawing methods and types, symmetrical and unilateral auxiliary views, auxiliary sectional views

  6. 6. Developments and Intersections

    • 6.1Introduction and projection of solids with points transfer
    • 6.2Developments: General concepts and practical considerations, triangulation method for approximate development of surfaces of a right/oblique; Prism, cylinder, pyramid, cone, prism and cylinder cut by oblique planes, frustum/truncated pyramid and cone, transition pieces for connecting different shapes and sphere
    • 6.3Intersections: Lines of intersection of geometric surfaces, piercing point of a line and a geometric solid, intersection lines of two planes, intersections of – prism and prism, cylinder and prism, cylinder and cylinder, pyramid and prism, cone and prism, pyramid and cylinder, cone and cylinder

  7. 7. Pictorial Drawings

    • 7.1Classifications: Advantages and disadvantages
    • 7.2Isometric view
    • 7.2.1Axonometric projection
    • 7.2.2Isometric projection and isometric drawing (View)
    • 7.2.3Isometric and non-isometric lines; Isometric and non-isometric surfaces
    • 7.2.4Angles in isometric drawing
    • 7.2.5Circles and circular arcs in isometric and non-isometric surfaces (Slopes)
    • 7.2.6Irregular curves in isometric drawing
    • 7.2.7Isometric sectional views
    • 7.3Oblique drawing
    • 7.3.1Procedure for making an oblique drawing
    • 7.3.2Rules for placing objects in oblique drawing
    • 7.3.3Angles, circles and circular arcs in oblique drawing
    • 7.4Perspective projection
    • 7.4.1Terms used in perspective projection
    • 7.4.2Parallel and angular perspective
    • 7.4.3Selection of station point
    • 7.4.4Perspective projection of right prism and pyramid solid