Leaving Cert DCG - Notes & Exam Papers
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Leaving Cert DCG by Topics
The Oblique plane: An Overview
Dihedral Angle
Column and Beam
Plane
Contours
Dynamic Mechanisms 1
Parabola as a Section of a Cone
Working Drawings
The Oblique plane: An Overview
Dihedral Angle
Column and Beam
Plane
Contours
Dynamic Mechanisms 1
Parabola as a Section of a Cone
Working Drawings
Presentation
Presentation
Developments and Envelopments
Orthographic Projection of Solids in Contact
Rotation and Inclination of Solids
Intersection of Solids
Pictorial Projection 1
Orthographic Projection of Solids in Contact
Intersection of Solids
Developments and Envelopments
Pictorial Projection 1
True Inclination of an Oblique Plane to the VP and the HP
Finding the Dihedral Angle
The Arch
First-Angle Projection
Worked Examples
Involute
Focal Sphere for a Parabola
Sectioning Assemblies
True Inclination of an Oblique Plane to the VP and the HP
Finding the Dihedral Angle
The Arch
First-Angle Projection
Worked Examples
Involute
Focal Sphere for a Parabola
Sectioning Assemblies
Symbols
Symbols
Sections of Solids
Pictorial Projection 2
Sections of Solids
Pictorial Projection 2
Solids Cut by Oblique Planes
Roof Geometry
The vault
The XY Line
The Geometry of Mining
The Helix
Methods of Constructing a Parabola
Abbreviations and Their Uses
Solids Cut by Oblique Planes
Roof Geometry
The vault
The XY Line
The Geometry of Mining
The Helix
Methods of Constructing a Parabola
Abbreviations and Their Uses
Abbreviations
Abbreviations
Rotation and Inclination of Solids
To Find the True Shape of an Object on an Oblique Plane
Intersecting Ductwork and Pipework
Domes
Auxiliary Elevation
Terminology
Conical Spiral
Tangents to a Parabola from a Point on the Curve
Drawings: Layout and Conventions
To Find the True Shape of an Object on an Oblique Plane
Intersecting Ductwork and Pipework
Domes
Auxiliary Elevation
Terminology
Conical Spiral
Tangents to a Parabola from a Point on the Curve
Drawings: Layout and Conventions
Learning of Dimension
Learning of Dimension
Finding the traces of a plane: Worked Examples
Joining Pipes and Ducts of Equal Diameter
Frames
Auxiliary Plans
Stratum thickness
Archimedean Spiral
Tangents to a Parabola from a Point P Outside the Curve
Sectional Views: More Alternatives
Finding the traces of a plane: Worked Examples
Joining Pipes and Ducts of Equal Diameter
Frames
Auxiliary Plans
Stratum thickness
Archimedean Spiral
Tangents to a Parabola from a Point P Outside the Curve
Sectional Views: More Alternatives
Working Drawings
Working Drawings
Spatial Coordinates
Transition Pieces
Ruled Surface
Further Uses of Auxiliary Views
Earthworks
Cycloid
Ellipse as a Section of a Cone
Methods of Assembly
Spatial Coordinates
Transition Pieces
Ruled Surface
Further Uses of Auxiliary Views
Earthworks
Cycloid
Ellipse as a Section of a Cone
Methods of Assembly
Exploded Pictorial Views
Exploded Pictorial Views
Skew Lines
Transition Pieces: Circular to Rectilinear
Double-curved Surfaces
Third-Angle Projection
Skew Boreholes
Epicycloid
Focal Spheres for an Ellipse
Skew Lines
Transition Pieces: Circular to Rectilinear
Double-curved Surfaces
Third-Angle Projection
Skew Boreholes
Epicycloid
Focal Spheres for an Ellipse
Freehand Drawing
Freehand Drawing
Construction Hyperboloid of Revolution
Second Auxiliary Views
Earthworks for Inclined Roads
Hypocycloid
Five Methods of Constructing an Ellipse
Construction Hyperboloid of Revolution
Second Auxiliary Views
Earthworks for Inclined Roads
Hypocycloid
Five Methods of Constructing an Ellipse
Hyperbolic Paraboloid
Inferior Trochoid
Tangents to an Ellipse from a Point on the Curve
Hyperbolic Paraboloid
Inferior Trochoid
Tangents to an Ellipse from a Point on the Curve
Curvature
Superior Trochoid
Tangents to a Ellipse from a Point P Outside the Curve
Curvature
Superior Trochoid
Tangents to a Ellipse from a Point P Outside the Curve
Geodesic Domes
Inferior Epitrochoid
Hyperbola as a Section of a Cone
Geodesic Domes
Inferior Epitrochoid
Hyperbola as a Section of a Cone
Spherical Geometry
Superior Epitrochoid
Focal Sphere
Spherical Geometry
Superior Epitrochoid
Focal Sphere
The Five Regular Polyhedra
Inferior Hypotrochoid
Methods of Constructing a Hyperbola
The Five Regular Polyhedra
Inferior Hypotrochoid
Methods of Constructing a Hyperbola
Frequency of a Geodesic Dome
Superior Hypotrochoid
Tangents to a Hyperbola from a Point on the Curve
Frequency of a Geodesic Dome
Superior Hypotrochoid
Tangents to a Hyperbola from a Point on the Curve
How to Draw a Geodesic Dome
Use of Templates to Solve Problems on Cycloids, etc.
Constructions Common to all Conics
How to Draw a Geodesic Dome
Use of Templates to Solve Problems on Cycloids, etc.
Constructions Common to all Conics
Circumscribing Sphere
Tangemt to an Involute, Archimedean Spiral, Cycloid, Epicycloid and Hypocycloid
Centre of Curvature and Evolute
Circumscribing Sphere
Tangemt to an Involute, Archimedean Spiral, Cycloid, Epicycloid and Hypocycloid
Centre of Curvature and Evolute
3-Frequency Geodesic Dome
Worked Examples on Loci
3-Frequency Geodesic Dome (Octahedral)
Worked Examples on Loci
Types of Link Mechanism: Dynamic Mechanisms 2
Types of Link Mechanism: Dynamic Mechanisms 2
Displacement Diagrams
Displacement Diagrams
Cams: Dynamic Mechanisms 2
Cams: Dynamic Mechanisms 2
Gear Basics
Gear Basics
Involute Gears
Involute Gears
Epicycloidal Gears
Epicycloidal Gears
Law of Gearing
Law of Gearing
Some Things to Note about the Size of the Generating Circle
Some Things to Note about the Size of the Generating Circle
Worked Examples
Worked Examples
FAQs
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