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These 10 free LCT questions are organized by exam domain, so you can see how each part of the Leather Cleaning Technician blueprint is tested. Reveal the answer and explanation under each question.
For a sound pigmented sofa, Cleaner P is permitted at 1 part concentrate to 4 parts water and has passed the required dry-state compatibility test. Cleaner N is approved only for suede and nubuck, at 1 part concentrate to 9 parts water. The job needs 500 mL of working solution, with volumes treated as additive. Which preparation meets the job requirements?
Correct answer: A - Mix 100 mL of Cleaner P with 400 mL of water
A solvent-based cleaner passes a compatibility test on a pigmented chair. Its safety data sheet requires ventilation for the planned use, but that ventilation is unavailable in the treatment room. No alternative exposure control has been approved. The proposed treatment should be:
Correct answer: C - Deferred until the specified ventilation is available
While a technician documents a sound pigmented-leather sofa, the owner spills coffee on a seat. Liquid is still pooled on the surface, and no cleaning product has been applied. What takes priority over completing the inspection?
Correct answer: D - Blot the excess promptly with a clean absorbent cloth
Surface grease has moved into the foam during a tested sponge-cleaning procedure on sound pigmented leather. The sponge is now dirty, and the used foam remains on the seat. What completes this pass before a fresh section is started?
Correct answer: D - Collect the dirty foam, then clean or replace the sponge
A chair's manufacturing record describes dye-colored leather with a sprayed, colorless protective finish. It records no surface pigment or laminated film. In a permitted test on an intact area, water beads rather than soaking in. Which finish classification reconciles the record with the test?
Correct answer: B - Aniline with a transparent barrier finish
A sofa manufacturer retained the original grain without buffing, thinned the hide from the flesh side, and applied an opaque color coat. Which pair belongs on the inspection record?
Correct answer: A - Full-grain construction; pigmented finish
A wax-and-oil-finished armchair lightens at folds when flexed, just like the maker's reference swatch. The leather is sound, and representative cleaning tests preserve its dry color, feel, and sheen. The owner wants the pale folds fixed before the chair is cleaned. Which recommendation respects the intended finish?
Correct answer: B - Use the tested method and preserve the pull-up variation
Laboratory rubbing tests on one leather produce Grey Scale grades of 4-5 dry and 2-3 wet; higher grades mean less color transfer. The test cloths were dried before grading. A colleague proposes an aqueous cleaner because the dry result is strong. Which response is supported by the report?
Correct answer: A - Assess aqueous compatibility separately; color transfer increased under wet rubbing
Blue marks appear on a cream leather seat after contact with new dark jeans. A small cleaning test lifts blue material onto a white cloth. Once dry, the test area matches protected cream leather in color and sheen, with no tack or surface loss. The cleaner is permitted for this finish. How should work proceed on comparable affected areas?
Correct answer: C - Continue the tested method and monitor the original finish
An oil-stained pigmented headrest has been treated with Furniture Clinic Leather Degreaser. The powder now dries completely white, the manufacturer's indicator that grease extraction is complete. After residue removal, follow-up cleaning, and drying, inspection finds missing original pigment but sound leather beneath it. Which remaining service need should be discussed?
Correct answer: C - A separate color-restoration treatment for the missing pigment
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