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MSU CMP 124 Exam 1 Welch Questions with correct answers
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MSU CMP 124 Exam 1 Welch Questions with correct answers
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MSU CMP 124 Exam 1 Welch Questions with correctanswers
Pith Correct Answer-Center of Wood
Heart wood Correct Answer-Next layer from pith
Sap wood Correct Answer-Layer before bark
Long Axis Correct Answer-Direction of grain cells, wood character,
structural properties (Butcher board)
Spring wood (Early) Correct Answer-Larger, less dense in substance
Summer wood Correct Answer-Denser, Dark ring, stronger/stiffer
Soft wood Correct Answer-Conifers-pine-needle, 75% of total lumber
production, used for structural because of abundance and cost efficiency.
strength is adequate
Hard Wood Correct Answer-Deciduous- Broad leaf, used for flooring,
interior paneling, cabinet and furniture, stronger/stiffer.
Effect of moisture content on wood properties Correct Answer-the dryer
the wood the less it warps, rots, the stronger/stiffer it is, and the easier it
is to bond
, 2 x 3 - 2 x 6 Dimensions actual vs. advertised Correct Answer-minus .5''
2 x 8 - 2 x 12 Dimensions actual vs. advertised Correct Answer-
minus .75''
S-DRY Correct Answer-max 19% MC
S-GRN Correct Answer-over 19% MC
MC-15 Correct Answer-15% MC
Knots Correct Answer-where branches meet the trunk, problems with
function if know is loose, knot holes may compromise structural
integrity
Decay Correct Answer-Reduces structural strength
Insect Damage Correct Answer-Reduces quality of wood (appearance
and integrity)
Manufacturing Characteristics Correct Answer-Bowing, twisting,
cupping caused by the drying process
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