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RBSE Sec Voc Apparel Made-Ups and Home Furnishing study materials
RBSE Sec Voc Apparel Made-Ups and Home Furnishing study resources

RBSE Sec Voc Apparel Made-Ups and Home Furnishing practice questions

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Question 1Fundamentals of Textiles and Fibres

Which natural fibre is obtained from the seed hair of a plant and is composed mainly of cellulose?

  1. Wool
  2. Cotton Correct answer.
  3. Jute
  4. Silk

Explanation

Cotton fibre grows as seed hair in the boll of the cotton plant and is almost pure cellulose, which makes it absorbent and comfortable. Wool and silk are animal proteins, while jute is a bast fibre from the stem.

Question 2Fundamentals of Textiles and Fibres

A fabric sample burns with a smell of burning hair and leaves a crushable black ash. Which fibre is most likely present?

  1. Polyester
  2. Cotton
  3. Viscose
  4. Wool Correct answer.

Explanation

Protein fibres such as wool and silk release a sulphur-containing gas that smells like burnt hair and leave a crushable ash. Cellulosic fibres smell like burning paper, and synthetic fibres melt into a hard bead.

Question 3Fundamentals of Textiles and Fibres

Which term describes the natural twist that cotton fibre develops as the boll dries, giving the fibre its characteristic convolutions?

  1. Crimp
  2. Convolution Correct answer.
  3. Lustre
  4. Denier

Explanation

Cotton fibre collapses into ribbon-like forms with spiral twists called convolutions, which help fibres interlock during spinning. Crimp is the waviness found in wool, lustre refers to sheen, and denier is a linear density unit.

Question 4Fundamentals of Textiles and Fibres

Which silk is produced by silkworms reared on mulberry leaves and forms the majority of commercial silk?

  1. Muga silk
  2. Tussah silk
  3. Eri silk
  4. Mulberry silk Correct answer.

Explanation

Mulberry silk comes from Bombyx mori larvae fed on mulberry leaves and accounts for most of the world's silk supply. Tussah, eri and muga are non-mulberry wild silks with different colours and textures.

Question 5Fundamentals of Textiles and Fibres

In textile terminology, what does the term 'staple' describe?

  1. A fibre of limited, measurable length Correct answer.
  2. A yarn made only from continuous filaments
  3. A woven fabric with a raised surface
  4. A filament of indefinite length

Explanation

Staple fibres are short fibres of limited length, such as cotton, wool and flax, which must be spun into yarn. Continuous filaments like silk or polyester filament are much longer and need little or no twisting to form yarn.

Question 6Fundamentals of Textiles and Fibres

Which property of wool allows it to keep the wearer warm even when the fabric has absorbed some moisture?

  1. Exothermic moisture absorption and crimped air trapping Correct answer.
  2. Very low moisture regain
  3. High thermal conductivity
  4. Smooth, flat fibre surface

Explanation

Wool has high crimp that traps insulating air and releases heat as it absorbs moisture, giving warmth even in damp conditions. Its low thermal conductivity also slows heat loss from the body.

Question 7Fundamentals of Textiles and Fibres

Which regenerated cellulosic fibre is produced by dissolving wood pulp in a caustic soda and carbon disulphide solution before extruding it into an acid bath?

  1. Nylon 6,6
  2. Polypropylene
  3. Acetate
  4. Viscose rayon Correct answer.

Explanation

Viscose rayon is made by converting cellulose pulp into cellulose xanthate with caustic soda and carbon disulphide, then extruding the solution into acid where it regenerates. Acetate is also cellulosic but uses acetylation, and nylon and polypropylene are fully synthetic.

Question 8Fundamentals of Textiles and Fibres

Which spinning method is used to produce polyester and nylon filament yarns from a polymer melt?

  1. Dry spinning
  2. Wet spinning
  3. Melt spinning Correct answer.
  4. Wool spinning

Explanation

Melt spinning extrudes molten polymer through spinnerets and solidifies it by cooling, which suits thermoplastic polymers such as polyester and nylon. Wet and dry spinning are used for polymers that must be dissolved in a solvent, such as viscose and acetate.

Question 9Fundamentals of Textiles and Fibres

A yarn label states '100% cotton, 40s count'. In the indirect cotton count system, what does a higher count number indicate?

  1. A finer, lighter yarn Correct answer.
  2. A yarn with more plies
  3. A coarser, heavier yarn
  4. A yarn with higher twist

Explanation

The cotton count is an indirect system in which the number expresses how many hanks of a fixed length weigh one pound. A higher count therefore means more length per unit weight, so the yarn is finer and lighter.

Question 10Fundamentals of Textiles and Fibres

Which weave structure is produced by interlacing two sets of yarns where the weft passes over two or more warp yarns, creating floats that give a smooth, lustrous surface?

  1. Twill weave
  2. Pile weave
  3. Plain weave
  4. Satin weave Correct answer.

Explanation

Satin weave uses long floats of warp or weft over several yarns, producing a smooth lustrous face with high light reflection. Plain weave has the maximum interlacing, and twill produces diagonal lines rather than floats.

Question 11Fundamentals of Textiles and Fibres

Which fabric defect appears as thick, thin and uneven places along a yarn because of irregular drafting during spinning?

  1. Oil stain
  2. Reed mark
  3. Shade bar
  4. Slub Correct answer.

Explanation

A slub is a thick, lumpy place in a yarn caused by uneven fibre distribution or drafting faults in spinning. It shows as a raised or coarse spot in the woven or knitted fabric.

Question 12Fundamentals of Textiles and Fibres

Which knitting structure is made with a single set of needles and produces a fabric that curls at the edges and ladders when a stitch breaks?

  1. Weft knit Correct answer.
  2. Woven
  3. Double knit
  4. Warp knit

Explanation

Weft knitting uses one yarn feeding across the needles in a course, producing loops that curl at the edges and can unravel in a ladder. Warp knitting uses many parallel yarns and resists laddering.

Question 13Fundamentals of Textiles and Fibres

Which finishing process uses a caustic soda solution under tension to give cotton fabric a smoother, more lustrous and stronger surface?

  1. Singeing
  2. Sanforising
  3. Mercerisation Correct answer.
  4. Calendering

Explanation

Mercerisation swells cotton in strong caustic soda while holding it under tension, improving lustre, dye uptake and strength. Calendering presses the fabric, sanforising controls shrinkage, and singeing burns off surface hairs.

Question 14Fundamentals of Textiles and Fibres

Why is cotton fabric usually treated with a crease-resist finish before being made into shirts?

  1. To make the fibre dissolve in water
  2. To reduce wrinkle formation and improve dimensional stability Correct answer.
  3. To increase its flammability
  4. To remove all natural colour

Explanation

Cotton is cellulosic and wrinkles easily, so a crease-resist finish cross-links the cellulose to recover shape after creasing. This improves the appearance and dimensional stability of shirts during wear and laundering.

Question 15Fundamentals of Textiles and Fibres

Which fibre property makes polyester popular for easy-care apparel because it resists wrinkling and holds pleats?

  1. High density
  2. High moisture regain
  3. Low thermoplasticity
  4. High elastic recovery and thermoplastic nature Correct answer.

Explanation

Polyester has good elastic recovery and is thermoplastic, so it returns to its original shape after deformation and pleats set with heat. Its low moisture regain also means little swelling and shrinking on washing.

Question 16Fundamentals of Textiles and Fibres

A consumer complains that a woollen sweater shrank and felted after machine washing in hot water. Which property explains this behaviour?

  1. The overlapping scales and crimp of wool fibres locking together Correct answer.
  2. Wool's low moisture absorption
  3. Wool's high thermoplasticity at low temperature
  4. Wool's smooth surface and low friction

Explanation

Wool fibres have overlapping surface scales and natural crimp; in hot water with agitation the scales catch and lock, causing irreversible felting shrinkage. This is why wool should be washed gently in cool water.

Question 17Fundamentals of Textiles and Fibres

Which term describes the direction of yarns running lengthwise in a woven fabric?

  1. Selvedge
  2. Warp Correct answer.
  3. Weft
  4. Bias

Explanation

Warp yarns run lengthwise along the fabric and are held under tension during weaving. Weft yarns run across the width, the selvedge is the finished edge, and the bias is the diagonal direction.

Question 18Fundamentals of Textiles and Fibres

Which property of a fibre is measured by its moisture regain?

  1. The temperature at which the fibre melts
  2. The amount of water vapour absorbed by a dry fibre at standard conditions Correct answer.
  3. The length of the fibre before spinning
  4. The force needed to break the fibre

Explanation

Moisture regain is the percentage of water a dry fibre absorbs from standard atmosphere, expressed relative to its oven-dry weight. It affects comfort, static and dimensional behaviour.

Question 19Fundamentals of Textiles and Fibres

Which natural fibre is a bast fibre extracted from the stem of the plant and is commonly used for sacks and coarse bags?

  1. Sisal
  2. Jute Correct answer.
  3. Coir
  4. Ramie

Explanation

Jute is a bast fibre from the stem of Corchorus plants, valued for its strength, low cost and biodegradability in sacks and packaging. Coir and sisal are leaf or fruit fibres, and ramie is a finer bast fibre used in apparel.

Question 20Fundamentals of Textiles and Fibres

In a blended fabric of 65% polyester and 35% cotton, what is the main advantage of the blend for apparel?

  1. It combines polyester's strength and easy care with cotton's absorbency and comfort Correct answer.
  2. It eliminates the need for any dyeing
  3. It makes the fabric completely flameproof
  4. It makes the fabric fully biodegradable

Explanation

Blending combines the good properties of both fibres: polyester adds strength, durability and wrinkle resistance, while cotton adds absorbency and comfort. The result is a fabric that is easier to care for and more comfortable than either fibre alone.

Question 21Fundamentals of Textiles and Fibres

Which yarn is made by twisting two or more already-spun single yarns together?

  1. Rotor yarn
  2. Slub yarn
  3. Fancy yarn
  4. Plied yarn Correct answer.

Explanation

A plied yarn is formed by twisting two or more single yarns together, which improves strength, evenness and balance. Rotor yarn is a single yarn made by open-end spinning, and slub or fancy yarns are decorative.

Question 22Fundamentals of Textiles and Fibres

Which test would best distinguish a cellulosic fibre from a protein fibre in an unknown fabric sample?

  1. Weighing the sample on a balance
  2. Burning the sample and noting the odour and ash Correct answer.
  3. Counting the number of threads per inch
  4. Measuring the fabric width

Explanation

Burning tests distinguish fibre chemistry: cellulosic fibres smell like burning paper and leave light ash, while protein fibres smell of burnt hair and leave crushable dark ash. The other tests measure physical dimensions or mass and give no chemical information.

Question 23Fundamentals of Textiles and Fibres

Why does viscose rayon fabric lose a large amount of strength when wet, unlike cotton?

  1. Viscose contains protein that dissolves in water
  2. Viscose has a lower degree of crystallinity and orientation, so water penetrates and weakens the structure Correct answer.
  3. Viscose fibres are hollow and fill with air
  4. Viscose is a thermoplastic fibre that softens in water

Explanation

Viscose rayon has lower crystallinity and orientation than cotton, so water molecules penetrate the amorphous regions and reduce hydrogen bonding between chains. This causes a marked loss of wet strength, which is why viscose needs gentle washing.

Question 24Fundamentals of Textiles and Fibres

A manufacturer wants a knitted fabric that will not ladder and has good shape retention for sportswear. Which structure best meets this requirement?

  1. Single jersey weft knit
  2. Plain weave
  3. Warp knit Correct answer.
  4. Leno weave

Explanation

Warp-knitted fabrics use many parallel yarns interlocked in loops, so a broken stitch does not run into a ladder and the fabric holds its shape well. Single jersey weft knit ladders easily, while plain and leno weaves are woven structures.

Question 25Fundamentals of Textiles and Fibres

Which combination of fibre properties best explains why silk fabric feels cool against the skin in summer?

  1. High crimp and high friction
  2. High moisture regain and smooth, triangular filament cross-section Correct answer.
  3. Low moisture regain and rough scaly surface
  4. High thermoplasticity and high density

Explanation

Silk has moderate to high moisture regain and a smooth triangular cross-section that gives a cool, smooth handle and reflects light. The smooth filament surface reduces friction and conducts heat away from the skin, giving a cooling sensation.

Question 26Fundamentals of Textiles and Fibres

Which unit is used to express the linear density of a fibre or yarn in the tex system?

  1. Number of 840-yard hanks per pound
  2. Metres per gram of yarn
  3. Grams per square metre of fabric
  4. Grams per 1000 metres of yarn Correct answer.

Explanation

Tex is a direct system in which the mass in grams of 1000 metres of yarn or fibre is recorded, so a higher tex value means a coarser, heavier yarn. Direct systems fix the length and let the mass vary, which is why tex rises with thickness.

Question 27Fundamentals of Textiles and Fibres

A fabric sample burns with a smell of burning hair and leaves a crushable black ash. Which fibre group does this behaviour indicate?

  1. Mineral fibres such as asbestos
  2. Protein fibres such as wool and silk Correct answer.
  3. Synthetic fibres such as polyester and nylon
  4. Cellulosic fibres such as cotton and linen

Explanation

Protein fibres contain nitrogen and sulphur, so they scorch and smell of burnt hair or feathers and form a crushable dark bead or ash. Cellulosic fibres instead smell of burning paper and give a soft grey ash, which distinguishes the two natural groups in a simple burn test.

Question 28Fundamentals of Textiles and Fibres

Which feature distinguishes a filament yarn from a staple yarn of the same fibre type?

  1. Filament yarn is made of long continuous strands, while staple yarn is made of short fibres twisted together Correct answer.
  2. Staple yarn has no twist whereas filament yarn is always highly twisted
  3. Filament yarn is always coarser than staple yarn of the same linear density
  4. Filament yarn can only be produced from natural fibres

Explanation

Filament yarns consist of continuous strands extruded as very long lengths, giving a smooth, lustrous surface with little protruding fibre end. Staple yarns are built from short fibres that must be twisted together to develop strength, so they show more hairiness and less lustre.

Question 29Fundamentals of Textiles and Fibres

A dhoti fabric must drape softly, absorb perspiration and withstand frequent washing with strong soap. Which fibre best meets all three requirements?

  1. Glass fibre
  2. Polyester
  3. Acrylic
  4. Cotton Correct answer.

Explanation

Cotton is a cellulosic fibre with good moisture absorption, a soft hand that drapes well, and good resistance to alkaline soap solutions and repeated laundering. These combined properties make it suitable for garments worn next to the skin in hot climates.

Question 30Fundamentals of Textiles and Fibres

Two plain-weave cotton fabrics have the same yarn count and the same weave, but fabric A has 40 ends and 30 picks per inch while fabric B has 60 ends and 45 picks per inch. What is the most likely consequence of this difference?

  1. Fabric B will have lower cover factor and greater porosity than fabric A
  2. Both fabrics will have identical areal density because the weave is the same
  3. Fabric A will be heavier and stronger because it has fewer interlacing points
  4. Fabric B will be heavier, denser, stronger and less air-permeable than fabric A Correct answer.

Explanation

With yarn count and weave held constant, increasing ends and picks per inch raises the number of interlacing yarns per unit area, so the fabric becomes heavier, tighter, stronger and less permeable to air. Cover factor rises with sett, which reduces the open spaces between yarns.

Question 31Pattern Making, Drafting and Grading

In a basic bodice draft, which measurement directly determines the depth of the armhole (scye depth) when no standard is used?

  1. Shoulder-to-waist length measured down the back Correct answer.
  2. Half of the across-back width
  3. Full bust circumference divided by four
  4. Neck-to-waist length measured down the front

Explanation

Scye depth is derived from the body length between the nape or shoulder line and the waistline, because the armhole must span the actual vertical distance from shoulder to underarm level. Bust circumference controls width, not depth, and neck-to-waist is a front length used for balance.

Question 32Pattern Making, Drafting and Grading

A pattern maker adds 2 cm of ease to a skirt waistband pattern drafted for a woven fabric. What is the main purpose of this ease?

  1. To hide the seam allowance inside the band
  2. To create flare in the skirt hem
  3. To compensate for fabric shrinkage after washing
  4. To allow the wearer to sit and breathe comfortably Correct answer.

Explanation

Wearing ease is added so the garment can accommodate body movement, breathing and sitting without strain on the seams. Shrinkage allowance is a separate addition based on fabric testing, and flare is controlled by hem width, not waistband ease.

Question 33Pattern Making, Drafting and Grading

When drafting a sleeve to fit an armhole, which sleeve measurement must match the armhole circumference plus the required ease?

  1. Bicep circumference
  2. Cuff opening
  3. Sleeve length
  4. Sleeve cap height Correct answer.

Explanation

The sleeve cap curve must equal the armhole curve plus ease, and the cap height determines how much curve length is available. Bicep circumference relates to the upper arm, while length and cuff opening are vertical or finishing measurements.

Question 34Pattern Making, Drafting and Grading

A trouser pattern is graded from size 10 to size 12 using a 1 cm grade at the waist. How much total width is added across the full waistline if the pattern has two waist seams (side seams) and the grade is applied at each side?

  1. 4 cm
  2. 1 cm
  3. 3 cm
  4. 2 cm Correct answer.

Explanation

A grade increment is applied to each side seam, so 1 cm at each of two side seams adds 2 cm to the full waist circumference. Grading rules distribute increments across pattern edges, and the total equals the increment multiplied by the number of graded edges.

Question 35Pattern Making, Drafting and Grading

Which drafting tool is used to transfer a curved neckline from a bodice block to a new pattern with an accurate, smooth shape?

  1. Set square
  2. Tailor's chalk
  3. French curve Correct answer.
  4. Tracing wheel

Explanation

A French curve provides a series of curves that match neckline, armhole and other shaped edges so the line can be drawn smoothly. A set square draws straight right angles, chalk marks fabric, and a tracing wheel transfers lines through paper.

Question 36Pattern Making, Drafting and Grading

In a dart manipulation exercise, a shoulder dart on a bodice block is rotated to the waistline. What remains unchanged after a correct rotation?

  1. The position of the dart point
  2. The total dart intake and the bust point location Correct answer.
  3. The length of the shoulder seam
  4. The width of the neckline

Explanation

Pivot or slash rotation moves the dart opening around the bust point while preserving the total intake and the bust point position. The shoulder seam and neckline are unchanged only if the dart is moved away from them, so those are not guaranteed.

Question 37Pattern Making, Drafting and Grading

A pattern for a flared skirt is produced by the slash-and-spread method. What does the amount of spread at the hem directly control?

  1. The waistline circumference
  2. The skirt length
  3. The position of the zip
  4. The amount of flare and hem circumference Correct answer.

Explanation

Slash-and-spread opens the pattern at the hem, and the size of each opening determines how much extra hem circumference and flare results. Waistline stays fixed at the pivot, length is set separately, and zip placement is a construction decision.

Question 38Pattern Making, Drafting and Grading

When grading a bodice pattern, why is the bust point grade usually smaller than the bust circumference grade?

  1. Because the bust point is always at the waistline
  2. Because the bust point is not graded at all
  3. Because the bust point moves less between sizes than the full bust girth Correct answer.
  4. Because bust point is measured in inches while bust is in centimetres

Explanation

Body girth increases more between sizes than the horizontal distance from centre front to the bust apex, so the bust point grade is smaller. Mixing units is a drafting error, and the bust point is graded, just by a smaller increment.

Question 39Pattern Making, Drafting and Grading

A shirt pattern requires a two-piece collar. Which drafting feature distinguishes the collar stand from the fall?

  1. The stand is wider than the fall in every size
  2. The stand is drafted with a sharper curve to hug the neck, while the fall curves outward Correct answer.
  3. The stand is always cut on the bias
  4. The fall is drafted without seam allowance

Explanation

The stand follows the neck curve and is shaped to sit close to the neck, while the fall rolls outward over the stand. Neither piece is inherently bias cut, both need seam allowance, and stand width is a design choice.

Question 40Pattern Making, Drafting and Grading

Which measurement is essential when drafting a trouser pattern but has no equivalent in a basic skirt draft?

  1. Skirt length
  2. Waist circumference
  3. Body rise (crotch depth) Correct answer.
  4. Hip circumference

Explanation

Trousers require body rise, the vertical distance from waist to crotch level, to create the crotch curve and leg separation. Waist and hip are shared with skirts, and skirt length is not a trouser measurement.

Question 41Pattern Making, Drafting and Grading

A pattern maker needs to add a centre-back pleat to a skirt. What must be added to the centre-back edge of the pattern?

  1. Half the pleat depth plus seam allowance
  2. The full pleat depth plus seam allowance Correct answer.
  3. Only the seam allowance
  4. Twice the seam allowance and no pleat allowance

Explanation

A pleat is formed by folding fabric back on itself, so the pattern must include the full pleat depth beyond the centre-back line, plus seam allowance. Half the depth would produce an incomplete fold.

Question 42Pattern Making, Drafting and Grading

In pattern grading, what does the term 'grade rule' describe?

  1. The fabric width required for a marker
  2. The order in which pattern pieces are cut
  3. The seam allowance width used on all edges
  4. The amount and direction each point moves from one size to the next Correct answer.

Explanation

A grade rule specifies the x and y movement of each pattern point between sizes, producing a consistent size progression. Cutting order, seam allowance and marker width are separate production decisions.

Question 43Pattern Making, Drafting and Grading

A bodice block is drafted with a side-seam dart and a shoulder dart. When converting to a princess seam, what is the standard approach?

  1. Cut the pattern along the centre front only
  2. Close both darts and draw a curved seam line through the bust point Correct answer.
  3. Remove the darts and add ease at the waist
  4. Add a horizontal seam at the bust line

Explanation

Princess seams absorb darts by closing them and drawing a shaped seam that passes near the bust point, giving fit without dart intake. Simply removing darts loses shaping, and horizontal or centre-front cuts do not create a princess line.

Question 44Pattern Making, Drafting and Grading

Which factor most directly determines the seam allowance width specified on a pattern for a fraying woven fabric?

  1. The type of button used
  2. The colour of the thread
  3. The fabric's tendency to fray and the seam finish planned Correct answer.
  4. The size of the pattern

Explanation

Fraying fabrics need wider allowances or a seam finish such as overlocking or French seams to prevent raveling. Thread colour, pattern size and button type do not affect seam allowance width.

Question 45Pattern Making, Drafting and Grading

A pattern is graded from size 8 to size 10 with a 0.6 cm grade at the side seam and a 0.4 cm grade at the centre front. What is the total bust circumference increase?

  1. 2.4 cm
  2. 2.0 cm Correct answer.
  3. 0.4 cm
  4. 1.0 cm

Explanation

The side seam and centre front each contribute on both halves of the body, so the total is 2 times (0.6 + 0.4) cm, which equals 2.0 cm. Each graded edge is mirrored across the body when calculating circumference change.

Question 46Pattern Making, Drafting and Grading

When drafting a facing for a neckline, how is the facing pattern usually derived from the front bodice block?

  1. By adding a dart at the centre front
  2. By tracing the neckline area to a set depth and adding interfacing allowance Correct answer.
  3. By drawing a straight line from shoulder to waist
  4. By copying the entire bodice and cutting it in half

Explanation

A facing is traced from the garment edge to a chosen depth, following the neckline shape, and is often interfaced for stability. Copying the whole bodice or drawing straight lines does not produce a shaped facing.

Question 47Pattern Making, Drafting and Grading

Which drafting adjustment is required when a customer has a prominent bust but a standard bust cup pattern?

  1. A forward-shoulder adjustment moving the shoulder seam
  2. A full-bust adjustment adding width and length at the bust area Correct answer.
  3. A sway-back adjustment shortening the centre back
  4. A narrow-shoulder adjustment reducing shoulder width

Explanation

A full-bust adjustment adds width and length across the bust and rotates the dart to accommodate a larger cup size. Narrow shoulder, sway back and forward shoulder adjustments address different fitting issues.

Question 48Pattern Making, Drafting and Grading

What is the purpose of a balance mark (notch) placed on a pattern seam?

  1. To show the grainline direction
  2. To indicate the buttonhole position
  3. To indicate where two pieces should align during sewing Correct answer.
  4. To mark the fold line for a hem

Explanation

Balance marks are matched on corresponding seams so pieces join correctly and easing is distributed evenly. Grainlines, hem folds and buttonholes use different pattern symbols.

Question 49Pattern Making, Drafting and Grading

A skirt is drafted with a 1.5 cm waist dart at each of four positions. What total waist reduction does this produce?

  1. 4.5 cm
  2. 1.5 cm
  3. 3.0 cm
  4. 6.0 cm Correct answer.

Explanation

Four darts at 1.5 cm each give 6.0 cm of total waist reduction, which is subtracted from the waist circumference to shape the skirt. Each dart removes its full intake from the waistline.

Question 50Pattern Making, Drafting and Grading

Which grainline should a pattern piece for a straight skirt usually follow to prevent twisting during wear?

  1. Lengthwise grain Correct answer.
  2. Crosswise grain
  3. Bias
  4. Any grain

Explanation

Straight skirts are cut on the lengthwise grain so the fabric hangs straight and does not twist. Crosswise grain and bias cause different drape and are used for specific design effects, not for standard skirt panels.