JNTUK R20 1-1 Engineering Drawing Material/Notes PDF Download

JNTUK R20 1-1 Engineering Drawing Material/Notes PDF Download

Students those who are studying JNTUK R20 Civil, ECE, EEE, Mech Branches, Can Download Unit wise R20 1-1 Engineering Drawing Material/Notes PDFs below.

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JNTUK R20 1-1 Engineering Drawing Material/Notes PDF Download

OBJECTIVES:

  • Engineering drawing being the principal method of communication for engineers, the objective is to introduce the students, the techniques of constructing the various types of polygons, curves and scales. The objective is also to visualize and represent the 3D objects in 2D planes with proper dimensioning, scaling etc.

UNIT-1

Objective: To introduce the students to use drawing instruments and to draw polygons, Engg. Curves. Polygons: Constructing regular polygons by general methods, inscribing and describing polygons on circles. Curves: Parabola, Ellipse and Hyperbola by general and special methods, cycloids, involutes, tangents & normals for the curves. Scales: Plain scales, diagonal scales and vernier scales

Download UNIT-1 Material PDF | Reference-2 | Ref-3 (Notes)

Unit-2

Objective: To introduce the students to use orthographic projections, projections of points & simple lines. To make the students draw the projections of the lines inclined to both the planes. Orthographic Projections: Reference plane, importance of reference lines, projections of points in various quadrants, projections of lines, line parallel to both the planes, line parallel to one plane and inclined to other plane. Projections of straight lines inclined to both the planes, determination of true lengths, angle of inclination and traces.

Download UNIT-2 Material PDF | Reference-2 | Ref-3 (Notes)

Unit-3

Objective: The objective is to make the students draw the projections of the plane inclined to both the planes. Projections of planes: regular planes perpendicular/parallel to one reference plane and inclined to the other reference plane; inclined to both the reference planes.

Download UNIT-3 Material PDF | Reference-2 | Ref-3 (Notes)

Unit-4

Objective: The objective is to make the students draw the projections of the various types of solids in different positions inclined to one of the planes. Projections of Solids – Prisms, Pyramids, Cones and Cylinders with the axis inclined to both the planes.

Download UNIT-4 Material PDF | Reference-2 | Ref-3 (Notes)

Unit-5

Objective: The objective is to represent the object in 3D view through isometric views. The student will be able to represent and convert the isometric view to orthographic view and vice versa. Conversion of isometric views to orthographic views; Conversion of orthographic views to isometric views. Computer Aided Design, Drawing practice using Auto CAD, Creating 2D&3D drawings of objects using Auto CAD

Download UNIT-5 Material PDF | Reference-2 | Ref-3 (Notes)

Note: In the End Examination there will be no question from CAD.


TEXT BOOKS:

  1. Engineering Drawing by N.D. Butt, Chariot Publications
  2. Engineering Drawing by Agarwal & Agarwal, Tata McGraw Hill Publishers

REFERENCE BOOKS:

  1. Engineering Drawing by K.L.Narayana & P. Kannaiah, Scitech Publishers
  2. Engineering Graphics for Degree by K.C. John, PHI Publishers
  3. Engineering Graphics by PI Varghese, McGrawHill Publishers
  4. Engineering Drawing + AutoCad – K Venugopal, V. Prabhu Raja, New Age

OUTCOMES:

  • The student will learn how to visualize 2D & 3D objects.

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