Meisterprüfung Buchbinder Practice Questions - Meisterprüfung Buchbinder (Austria) Exam

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A bookbinder receives parent sheets of printing paper in format 70 x 100 cm SB (Schmallauf). If each parent sheet is folded three times at right angles (Kreuzbruch) to create a 16-page section (16mo) for an octavo book block, what is the resulting grain direction in the individual book pages?

The grain direction is parallel to the long side (the spine fold) of the individual page, making it correct for binding. The grain direction runs across the individual page perpendicular to the spine fold (Querlauf), which is undesirable for bookbinding. The grain direction alternates between even and odd pages due to the cross-folding pattern. The grain direction is completely neutralized into an isotropic state by the three consecutive perpendicular folds.

Correct Answer:

The grain direction runs across the individual page perpendicular to the spine fold (Querlauf), which is undesirable for bookbinding.

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