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Varnish: Quiz


Question 1: Varnish is traditionally a combination of a drying oil, a ________, and a thinner or solvent.

Question 2: Acrylic varnishes are typically water-borne varnishes with the lowest ________ (highest degree of clarity) of all finishes.
MetamaterialDispersion (optics)OpticsRefractive index

Question 3: Varnish has little or no ________, is transparent, and has no added pigment, as opposed to paints or wood stains, which contain pigment and generally range from opaque to translucent.
PurpleGreenPrimary colorColor

Question 4: paint, stain, epoxy, synthetic ________, etc.) are susceptible to this damage in varying degrees.
PolystyrenePlasticPolyvinyl chloridePolycarbonate

Question 5: ________ in paints and stains protect against UV damage.

Question 6: Varnish is a transparent, hard, protective finish or film primarily used in ________ but also for other materials.
PaintWood finishingShellacDrying oil

Question 7: Although their names may be similarly derived, lacquer is not the same as ________ and is not dissolved in alcohol.
ShellacBeeswaxPolydimethylsiloxaneE number

Question 8: When first developed, no varnishes had good ________-resistance.
UltravioletVisible spectrumElectromagnetic spectrumX-ray

Question 9: Drying oil such walnut oil or linseed oil may be used in combination with ________, copal, rosin or other resins.

Question 10: Most resin or "gum" varnishes consist of a natural, plant- or insect-derived substance dissolved in a solvent, called spirit varnish or solvent varnish. The solvent may be ________, turpentine, or petroleum-based.

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