WAEC 2026 Technical Drawing OBJ Answers

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WAEC 2026 Technical Drawing Question Paper (Paper 2 – Essay)

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WAEC 2026 Technical Drawing Paper 3 Question Paper (Practical Drawing)

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WAEC 2026 Technical Drawing Essay/Theory Answers

This section will contain the full worked solutions for the WAEC 2026 Technical Drawing essay/theory questions. Answers will be arranged clearly by question number for easy checking after the exam.

• Question 1
  • (a)(i) — Rectangle ABCD
    Draw AB = 35 mm. At B, construct a perpendicular line. With A as centre and radius 70 mm, cut the perpendicular at C. Join AC and complete rectangle ABCD.
  • (a)(ii) — Square Equal in Area to Rectangle
    Draw diagonal AC of the rectangle. Bisect AC at E. With E as centre and radius EA, draw semicircle cutting produced side at F. Draw square on AF equal in area to the rectangle.
  • (b) — Right End Elevation
    Draw the given front elevation and plan accurately. Project all corners to the right side. Transfer depths using 45° mitre line. Complete the right end elevation with visible outlines only.

  

• Question 2
  • (a) — Ellipse Construction
    Draw major axis 130 mm and minor axis 50 mm intersecting at centre O. Construct the rectangle around the axes. Divide half major and half minor axes into equal parts. Draw vertical and horizontal projectors. Join corresponding intersections smoothly to obtain the ellipse.
  • (b) — Common Internal Tangent
    Draw two circles radius 40 mm and 20 mm with centres 100 mm apart. Draw auxiliary circle radius 60 mm about larger circle centre. Join centres. Construct tangent from smaller circle centre to auxiliary circle. Draw parallel tangent touching both circles internally.

  

  

• Question 3
  • (a) — Given Views
    Draw the given views full size. Keep 5 mm spacing from X–Y line. Ensure cube side is 40 mm.
  • (b) — First Auxiliary Plan
    Draw projectors perpendicular to X₁Y₁. Transfer distances from the given plan. Complete first auxiliary plan accurately.
  • (c) — Second Auxiliary Elevation
    Project from first auxiliary plan to second auxiliary plane. Transfer heights carefully. Complete second auxiliary elevation with visible outlines.

  

• Question 4
  • (4a)(i) — Floor Plan (Scale 1:100)
    The floor plan should show:
    • All walls with correct thickness
    • Positions of doors and windows
    • Bedroom, kitchen, store, living room, dining and verandah
    • W₁ and W₂ windows correctly placed
    • D₁, D₂ and D₃ doors correctly indicated
    • Proper dimensioning and labelling of all rooms
    • Sanitary fittings in WC and bath
  • (4a)(ii) — Front Elevation (Scale 1:100)
    The front elevation should show:
    • Foundation and floor level
    • Wall height up to ceiling level
    • Lintel and beam positions
    • Roof pitch of 15° double gable roof
    • Fascia board and eaves projection
    • Doors and windows in correct positions
    • Rendered wall finish and roofing sheets clearly indicated
  • (4b) — Section K–K (Scale 1:50)
    Section K–K should clearly show:
    • Strip foundation 675 × 225 concrete
    • Hardcore filling and concrete floor slab
    • Damp-proof course level
    • 225 mm wall thickness
    • Reinforced concrete lintel and beam
    • Ceiling joist arrangement
    • Rafters, purlins and roofing sheets
    • Floor-to-ceiling height of 3150 mm
    • Proper sectional hatching of cut members

  

• Question 5
  • (5a) — Sectional Front Elevation on X–X
    The sectional front elevation on X–X should contain:
    • Correct sectional details
    • Centre lines and dimensions
    • Flange positions kept vertical
    • Holes and circular parts accurately projected
    • No hidden details shown
    • Proper hatching of sectioned areas
  • (5b) — Plan
    The plan should show:
    • Four corner holes Ø10
    • Central hole and slot arrangement
    • Overall rectangular outline
    • Accurate spacing and dimensions
    • Visible outlines only without hidden lines
  • (5c) — End Elevation in Direction of Arrow Y
    The end elevation in direction of arrow Y should include:
    • Side profile of the casting
    • Cylindrical boss and hole details
    • Flange thickness and projections
    • Inclined faces at 45°
    • Correct alignment of all parts
    • Accurate orthographic projection without hidden detail