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C-33 Painting and Decorating Final Test Questions with 100% Correct Answers | Latest Version 2024 | Verified
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Lacquer cannot be used over - ✔✔
How do you remove wet enamel paint from an unfinished wood surface? - ✔✔A wipe with lacquer thinner Before sealing new plaster, when should you check for moisture? - ✔✔Just before sealing Improved the opacity in paint - ✔✔Pigment A 1/4" scale refers to" - ✔✔4'=1" What flame-spread classification is acceptable for a residential exit corridor? - ✔✔Class III Which component of paint affects the adhesion to the surface? - ✔✔Binder Why would you use acid over gypsum veneer plaster before painting - ✔✔Harden the surface What is the solvent used for acrylic paint - ✔✔Water What id the highest level of paint used for drywall finish - ✔✔Semi-gloss Which sandpaper is used when you begin sanding a door with old peeling paint? - ✔✔50 grit A safety rail of wood or other equally rigid material of adequate strength is required if the working platform of any scaffolding either swung or suspended from an overhead support is more than - ✔✔ 7 - 1/2 ft high Do not stand on the top ___ of a straight ladder without a safety belt - ✔✔3 rungs The polyvinyl sealer used on drywall is - ✔✔An acetate
The maximum height of a single horse scaffold is 16ft, and the maximum height of a tiered horse scaffold is - ✔✔ 10 The safety valve on a portable air compressor should be popped at least - ✔✔weekly When a ladder is not in use, it should be stored - ✔✔horizontally All guardrails must be able to withstand a load of____ per lineal foot - ✔✔13 lb It is safe to run a plank between a sawhorse and a step ladder for use as a scaffold, provided the plank extends at least _____ beyond either support - ✔✔12 in In tests to determine conformity to the Uniform Building Code's flame - spread regulation, surface materials must be shown to resits room temperatures of ____ for 25 min without becoming detached from the surface - ✔✔300 ' F Flame spread regulations do not apply to - ✔✔A term doors and window or their frames If sprinklers have been installed, the builder may - ✔✔Reduce the flame- spread rating one classification When using an airless spray gun ,always - ✔✔Wear a respirator When storing lacquer thinner, all of the following are required expect! - ✔✔Keep under lock and key When working on a float scaffold ,each workers must be provided a safety belt and lifeline at - ✔✔Always If worker is exposed to a fall of more than _____ a safety belt and lifeline must be provided - ✔✔15 ft What are electrical wires made from - ✔✔Copper and aluminum
New concrete should be etched with acid in order to prevent problems due to - ✔✔Alkali Litharge is used - ✔✔To make red lead With what do you prime ferrous metal? - ✔✔Red Lead What kind of thinner would you use with chlorinated rubber paint? - ✔✔Special thinner When does paint have a harder time for adhesion - ✔✔Paint has a harder time adhesion to summer - growth wood The basic ingredient of most rust- inhibiting primer is - ✔✔Zinc chromate If a room is to be carpeted, the last thing to do is - ✔✔Lay the carpet If a room is to be wallpapered, the first thing to do is - ✔✔Caulk When using an airless gun, you should overlap____ on each pass - ✔✔50% What is the general reason for priming metal - ✔✔Promote adhesion Painting masonry when still wet may cause - ✔✔Delaminating Red lead pigment are most often used in _____ primers - ✔✔Alkyd What causes a coat of paint to crack? - ✔✔Paint is applied too thick
The vertical length of the extended part of a trestle ladder must not be greater than ____ of the height of the base ladder - ✔✔1/ The maximum height of single horse scaffold is 16 ft, and the maximum height of tiered horse scaffold is
If a spray- painting inside a water tank, wear - ✔✔A supplied - air respirator Rubber feet on extension ladder should be used - ✔✔Always If a worker is exposed to a fall more than _____ a safety belt and liftime must be provided - ✔✔15 ft New concrete should be etched with acid in order to prevent problems due to - ✔✔Alkai When painting a bathroom, what would you normally do last - ✔✔Paint it
If you are priming a new plaster wall and inconsistencies appear on the surface, you should - ✔✔Apply another coat of the original sealer /primer If you have just primed a bathroom and shiny areas appear, what do you do if you want to apply an oil- base enamel topcoat - ✔✔Spot-prime or sand A foreman is inspecting a job a painter had done repairing a small hole in a wood door. The painter had spackled and finished with an oil-base coat. The foreman should say that the painter proceed - ✔✔Incorrectly: The painter should have spot-primed, spackled, and then finished To seal drywall, use - ✔✔PVA sealer What should not be use for prime new wood - ✔✔PVA What do you use to seal concrete masonry block - ✔✔Block-fill and seal, then two topcoats
*Stains that yield an opaque look include raw umber , yellow ochre, and Venetain red To waterproof a poured (Formed) concrete or stucco surface apply - ✔✔Block fillers and finish coat(s) What may happen when you paint wet concrete - ✔✔Peeling In basement with new cement-base walls, what would you do before applying Portland- cement-base paint? - ✔✔Wet *A thorough prewetting is required as well as frequent misting between coats after setting- up What does the abbrevation "CFM" mean on a compressor - ✔✔Cubic feet per minute If you want briefly to soak a paint brush with dried latex paint, what would you soak it in? - ✔✔Mineral spirts or turpentine
A contractor applied a cloth wallcovering 1/8 " thick for an application rated Class III Flame Spread. the material - ✔✔Must be applied directly to noncombustible backing When can you use lean- to jack scaffolds to support scaffold platforms - ✔✔Never In general what would happen if you apply enamel over a wet surface - ✔✔The coating will peel Wood is the most appropriate surface on which to apply an oil-based primer followed by a latex topcoat
Before applying enamel to a r=textured plaster wall - ✔✔Apply sizing *Sandpaper should not be used on plaster surfaces Oil-based enamel is the best for priming raw wood - ✔✔Oil-based enamel Best to straightedge is - ✔✔Guiding the cutting tool Clean wallpaper brushes and tools with - ✔✔Warm soapy water Where do you start when hanging wallpaper - ✔✔At the edge of a door or window If you have used a nylon brush to apply water-based latex and it dries hard, what would you use to clean the brush - ✔✔Mineral spirts or turpentine followed by water