Clothing Construction Processes: Seams

11 Grade 10 Home Science questions on Clothing Construction Processes: Seams, with worked marking schemes. 11 questions are available on this topic in full.

1. Question 1

   4 marks

   During peer assessment of seam samples, learners use a checklist to judge each other's work. State four qualities of a well-made seam that should appear on the checklist. (4 marks)

   (4 marks)

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2. Question 2

   3 marks

   (a) Define the term seam as used in clothing construction. (1 mark)

   (b) Give one example of an inconspicuous seam and one example of a conspicuous seam. (2 marks)

   (3 marks)

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3. Question 3

   4 marks

   Amina has made open seams on the sides of a cotton dress.

   (a) Give one reason why the turnings of an open seam should be neatened. (1 mark)

   (b) Describe three methods Amina could use to neaten the turnings. (3 marks)

   (4 marks)

   Marking scheme

   (a) Any one, 1 mark: - to prevent the raw edges from fraying, which would weaken the seam - to give the inside of the garment a neat finish - to make the garment last longer through wear and laundering (b) Any three of the following, 1 mark each (3 marks): - Overcasting: working slanting hand stitches over the raw edge of each turning - Edge-stitching (turning and stitching): turning under about 3 mm of the raw edge of each turning and machining close to the fold - Pinking: trimming the raw edges with pinking shears (for fabrics that do not fray easily) - Loop stitch: working loop stitch over the raw edge of each turning (suitable for thicker fabrics) - Machine zigzag or overlocking along the raw edge of each turning - Binding: enclosing each raw edge in a strip of crossway (bias) fabric

4. Question 4

   1 mark

   Before machining the side seam of a cotton skirt, a learner tacks the two skirt pieces together. Along which line should the tacking be worked?

   A. Along the fitting line

   B. Through the centre of the turning

   C. Close to the raw edges of the fabric

   D. Along the cutting line

   (1 mark)

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5. Question 5

   5 marks

   Describe the procedure for making a double-stitched seam with the fell on the right side of the fabric. (5 marks)

   (5 marks)

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6. Question 6

   1 mark

   While peer-assessing a French seam on a practice sample, Wairimu notices frayed threads poking through to the right side of the finished seam. What is the most likely cause?

   A. The stitching was done on the straight grain

   B. The seam was pressed after each stitching

   C. The first turnings were left untrimmed

   D. The tacking was removed after machining

   (1 mark)

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7. Question 7

   1 mark

   Halima is making a girl's dress in which a gathered skirt section is joined to a shaped yoke. Which seam is most suitable for joining the gathered section to the yoke?

   A. A double-stitched seam

   B. An open seam

   C. An overlaid seam

   D. A French seam

   (1 mark)

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8. Question 8

   6 marks

   Explain three factors a learner should consider when choosing a seam for a garment. (6 marks)

   (6 marks)

   Marking scheme

   Any three of the following, 2 marks each (1 mark for the factor, 1 mark for the explanation) (6 marks): - Type of fabric: fine or sheer fabrics that fray need enclosed seams such as the French seam, while thick fabrics need flat, less bulky seams such as the open seam - Purpose/use of the garment: garments that take hard wear and frequent washing, e.g. overalls and pyjamas, need strong self-neatened seams such as the double-stitched seam - Position of the seam on the garment: shaped or gathered parts such as yokes need an overlaid seam, and curved seams need seams whose turnings can be clipped - Style/design of the garment and current fashion: conspicuous seams may be used as a design feature, while inconspicuous seams are chosen where stitching should not show - The wearer: children's and babies' clothes need flat, comfortable seams with no rough edges to irritate the skin - Skill of the worker and the equipment available: some seams require more skill and a working machine, so the worker chooses one they can make well - Time available: some seams, e.g. double-stitched, take longer to make

9. Question 9

   4 marks

   Grade 10 learners are designing school open-day dresses and want the seams to add interest to the garments. Explain two ways in which seams can be used creatively as design features. (4 marks)

   (4 marks)

   Marking scheme

   Any two of the following, 2 marks each (1 mark for the way, 1 mark for the explanation) (4 marks): - Style lines/panel seams, e.g. princess seams or panels: they shape the garment to the body and create attractive vertical or curved lines - Contrasting top-stitching on conspicuous seams, e.g. double-stitched seams on jeans or shirts: the visible rows of stitching outline the design - Overlaid seams on yokes: they give a neat, visible line that separates the yoke from a gathered or pleated section - Joining different colours or fabrics with seams (colour blocking or patchwork): adds contrast and variety to a plain garment - Inserting piping, lace, frills or ric-rac into seams: decorates the seam line and highlights the shape of the garment

10. Question 10

    4 marks

    Juma's group explained to the class that a French seam is a poor choice for some garments. Explain why the French seam is unsuitable for:

    (a) thick fabrics. (2 marks)

    (b) curved seams such as armholes. (2 marks)

    (4 marks)

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11. Question 11

    1 mark

    Achieng is cutting out a cotton skirt from a pattern that has no seam allowances. How much should she add beyond the fitting line along the side seams, which are to be joined with open seams?

    A. 1.5 cm

    B. 4.0 cm

    C. 0.5 cm

    D. 6.0 cm

    (1 mark)

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