Discussion
True statement for quarter-sawn timber
Answer: A
The true statement is that quarter-sawn timber has a lesser tendency to warp (printed 'wrap').
Quarter-sawn boards are cut so that the growth rings run roughly at right angles to the face. Because wood shrinks about twice as much tangentially as radially, such boards shrink and swell less across their width and stay flatter, with less cupping and warping. They also wear more evenly.
That makes the other options false: quarter-sawn timber has less, not more, tendency to warp, it shrinks and swells less across the width, and it resists abrasion and wear better, which is why it is used for flooring.
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