Difficulty: Easy & Basic
Textile printing differs from ordinary full-bath dyeing chiefly because colour is applied how?
A Only before yarn spinning
B To selected areas
C Only as a bleach
D Through every fibre uniformly
Answer: B. To selected areas. Printing places colour in selected areas to reproduce a design.
In pigment printing, what binds insoluble colour particles to the textile?
A Polymer binder
B A mordant only
C Loose warp starch
D An oil lubricant
Answer: A. Polymer binder. The binder forms a film that anchors the pigment particles to the textile surface.
Screen openings are fed paste under pressure from which implement?
A Loom reed
B Squeegee
C Tenter clip
D Heald shaft
Answer: B. Squeegee. A squeegee pushes print paste through the open areas of the stencil.
In engraved roller printing, where is paste carried to the fabric?
A Inside yarn packages
B Raised blank areas
C Recessed engraved cells
D Under the feed belt
Answer: C. Recessed engraved cells. Paste retained in the engraved recesses transfers during contact with the fabric.
When successive colours line up as intended, what printing condition is correct?
A Registration
B Fibre crystallinity
C Dye exhaustion
D Warp sizing
Answer: A. Registration. Registration describes the alignment of separate colour impressions within the design.
To remove residue after a dye print has been fixed, which operation follows?
A Singeing
B Yarn doubling
C Afterwashing
D Warping
Answer: C. Afterwashing. Afterwashing removes chemicals and paste residues that should not remain on the fabric.
Digital inkjet printing applies colour by means of what?
A A raised wooden block
B Controlled ink droplets
C Engraved copper recesses
D A batch dye liquor
Answer: B. Controlled ink droplets. Printheads eject small droplets in positions defined by digital image data.
On a prepared screen, what happens at a blocked area?
A Paste flows more freely
B Colour changes hue
C Paste cannot pass
D Fabric becomes more porous
Answer: C. Paste cannot pass. The stencil blocks flow in areas that should remain unprinted by that screen.
Discharge printing starts with which type of substrate?
A Previously coloured fabric
B Loose dry pigments
C Clean white paper only
D Undyed spinning dope
Answer: A. Previously coloured fabric. A discharge paste acts locally on a suitable background colour already present on the textile.
Four spot colours make up a conventional screen print. How many colour screens are usually prepared?
A Two
B Four
C One
D Eight
Answer: B. Four. Each spot colour typically has its own screen, so four colours require four screens.
Before many heat transfer processes, which carrier holds the printed image?
A Dyeing beck
B Warp beam
C Loom heald
D Transfer paper
Answer: D. Transfer paper. The pattern is first printed on a transfer carrier and then transferred to the fabric using heat.
Identify the paste ingredient that controls spread and edge sharpness.
A Reducing agent only
B Binder only
C Thickener
D Rinsing water
Answer: C. Thickener. Thickener adjusts flow so colour remains near the printed areas before fixation.
Photoengraved screen preparation uses a stencil material sensitive to what input?
A Dry fabric mass
B Steam velocity
C Yarn count
D Light exposure
Answer: D. Light exposure. A photosensitive layer changes when exposed, allowing selected areas to be opened during development.
During the impression stage of standard flatbed screen printing, how does the fabric normally move?
A It stays stationary
B It rotates with a cylinder
C It reverses twice
D It moves continuously
Answer: A. It stays stationary. In the start–stop sequence, the fabric stops while the screen makes an impression.
Before a ground dye is applied in resist printing, what has been placed on the selected areas?
A A resist material
B A pile loop yarn
C A scouring roller
D A new warp beam
Answer: A. A resist material. The resist protects chosen areas so they take up less of the ground colour.
Name the smallest section that repeats to create a continuous pattern.
A Fabric selvage
B Rinse cycle
C Pigment particle
D Pattern repeat
Answer: D. Pattern repeat. A pattern repeat is the unit that can be repeated to form the design.
Why is dry heat commonly applied after pigment printing and drying?
A Remove all pigment
B Melt the entire fabric
C Cure the binder film
D Hydrolyse cotton cellulose
Answer: C. Cure the binder film. The dry heat cures the formulated binder and helps secure pigment on the substrate.
For conventional dye-sublimation printing, what fibre is commonly used?
A Untreated wool
B Untreated cotton
C Natural silk
D Polyester
Answer: D. Polyester. Disperse dyes used in sublimation transfer can move into polyester under suitable heat.
Between colours that should meet, an unprinted white gap appears. Which defect is likely?
A Improved pattern alignment
B Higher dye affinity
C Colour misregistration
D Lower yarn moisture regain
Answer: C. Colour misregistration. Misaligned screens can leave gaps or overlaps at boundaries between neighbouring colours.
Direct printing applies coloured paste to what area?
A Only the selvedge
B Selected motif areas
C All yarns before weaving
D Every fibre uniformly
Answer: B. Selected motif areas. Direct printing places the paste directly on the substrate in the areas that make up the pattern.
Drying immediately after printing primarily helps prevent what?
A Smearing and migration
B Warp thread formation
C Dye powder weighing
D Screen engraving
Answer: A. Smearing and migration. Removing much of the water helps hold the print in place before further handling.
Traditional hand block printing uses what to place the design?
A Rotating needle cylinder
B Carved printing block
C Wool carding roller
D Perforated yarn cone
Answer: B. Carved printing block. The design is carried on a block whose raised areas place paste on the fabric.
Reactive dye prints on cotton can gain wash durability through which kind of attachment?
A Static yarn friction only
B Covalent bonding
C Staple compression
D Needle entanglement
Answer: B. Covalent bonding. Reactive dyes can form chemical bonds with cellulose during appropriate fixation.
Identify the shape of the screen in continuous rotary screen printing.
A Flat glass plate
B Unperforated flat sheet
C Solid rubber block
D Perforated cylinder
Answer: D. Perforated cylinder. A perforated cylindrical screen rotates continuously above the moving fabric.
Why is fabric absorbency checked before dye printing?
A Increase colour screen number
B Change machine width
C Set frame tension
D Support uniform paste wetting
Answer: D. Support uniform paste wetting. Uneven preparation can cause uneven wetting and variations in how paste transfers to the fabric.