Oil Painting Varnishes And Mediums

12 Questions | Total Attempts: 180

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Oil Painting Varnishes And Mediums

Test your knowledge of varnishes, oils and thinners used in the craft of oil painting.


Questions and Answers
  • 1. 
    Which of the following is NOT a plant-derived gum/resin?
    • A. 

      Damar

    • B. 

      Mastic

    • C. 

      Shellac

    • D. 

      Copal

  • 2. 
    Which of the following is a function of varnish in a painting medium?
    • A. 

      Improve tack

    • B. 

      Impart even gloss

    • C. 

      Retain wet appearance of colors

    • D. 

      All of the above

  • 3. 
    Rags saturated with linseed oil can spontaneously combust, even without an outside flame or heat source.
    • A. 

      True

    • B. 

      False

  • 4. 
    Stand oil is:
    • A. 

      Linseed oil that has been heat-polymerized in an oxygen-starved environment

    • B. 

      Linseed oil that has been heat-polymerized in an oxygen-rich environment

    • C. 

      A blend of oils thickened by exposure to the sun

    • D. 

      Linseed oil that has been left to stand until thick

  • 5. 
    Retouch varnish can be applied to an oil painting that is dry to the touch, but not yet completely (6+ months) dry.
    • A. 

      True

    • B. 

      False

  • 6. 
    Which of the following is NOT a desirable property of a picture varnish?
    • A. 

      Not removable

    • B. 

      Removable

    • C. 

      Optically clear

    • D. 

      Neutral in color

  • 7. 
    What is the purpose of alkali refinement of linseed oil?
    • A. 

      Improve shelf stability

    • B. 

      Remove free fatty acids and mucilage

    • C. 

      Render expeller-pressed oil suitable for artistic use

    • D. 

      All of the above

  • 8. 
    Which of the following resins cannot be prepared as a painting varnish at room temperature?
    • A. 

      Damar

    • B. 

      Styrene

    • C. 

      Copal

    • D. 

      Mastic

  • 9. 
    Matte varnish can be applied over gloss varnish.
    • A. 

      True

    • B. 

      False

  • 10. 
    Cobalt drier is a:
    • A. 

      Top drier

    • B. 

      Through drier

    • C. 

      Bottom drier

    • D. 

      Extender

  • 11. 
    Alkyd resins are made from vegetable oils.
    • A. 

      True

    • B. 

      False

  • 12. 
    Working in a "couch" of medium refers to:
    • A. 

      Painting into a thin layer of painting medium on the canvas

    • B. 

      Mixing into a large pile of medium on the palette

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