Engineering Drawing - Year 1 (ITI Electrical Group)

Drawing instruments, lettering, dimensioning, geometrical figures, orthographic projection and free-hand sketches of electrical and electronic symbols, tools and accessories.

12 महीनेअवधि 5Chapters20टॉपिक

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01Drawing Instruments and Sheet Layout 4 टॉपिक

Introduction to engineering drawing
Drawing instruments and their use
Sheet sizes and layout
Border, margin and title block

02Lines, Lettering and Dimensioning 4 टॉपिक

Lines के प्रकार और उनके उपयोग
Single-stroke vertical and inclined lettering
Dimensioning systems - aligned and unidirectional
Scales - full, reduced and enlarged

03Geometrical Constructions 4 टॉपिक

Dividing lines and angles
Triangles, squares and polygons
Circles, arcs and tangents
Ellipse by concentric circle method

04ऑर्थोग्राफिक प्रोजेक्शन 4 टॉपिक

Planes of projection
First and third angle projection
Front, top and side views of simple blocks
Projection symbol

05Free-hand Sketches of Electrical Symbols and Accessories 4 टॉपिक

Electrical symbols - switch, fuse, lamp, socket, earth, MCB
Symbols of machines - motor, generator, transformer
Electronic symbols - resistor, capacitor, diode, transistor
Sketches of hand tools and wiring accessories

परिचय

आप यह कर पाएँगे

Use drawing instruments correctly and lay out a drawing sheet with border and title block
Draw the standard types of lines, single-stroke lettering and numbering as per BIS
Apply dimensioning methods and scales
Construct geometrical figures such as polygons, circles and tangents
Draw orthographic projections (first angle) of simple objects
Sketch free-hand standard electrical and electronic symbols, tools and accessories

यह किसके लिए है

ITI Electrician and Electronics Mechanic trainees of Year 1 (NCVT / DGT CTS)
Other electrical group trainees preparing for the Engineering Drawing exam

आपको क्या चाहिए

Drawing board, mini-drafter or T-square, set squares, compass, scale, pencils (H, 2H, HB) and A3 / A4 sheets

सवाल

Which syllabus is followed?

The NCVT / DGT CTS Engineering Drawing Year 1 syllabus for electrical group trades. Where your ITI (SCVT) syllabus differs, the centre follows your own syllabus.

Is CAD software used?

No. Year 1 drawing is done manually on sheets as required by the syllabus.

How are sheets checked?

Each sheet is checked for accuracy, line quality, lettering, dimensioning and neatness.