Question:

Which one of the following seasoning method is used for surface drying of certain species of non refractory woods.

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Vertical stacking acts as a quick "pre-drying" or "surface-drying" treatment.
Because gravity and open airflow work together in this configuration, it is highly effective at preventing sap-stain fungi in non-refractory species.
  • Kiln seasoning
  • Vertical stacking
  • Salt seasoning
  • Chemical seasoning
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The Correct Option is B

Solution and Explanation

Step 1: Understanding the Concept:
When timber is freshly felled and sawn, the outer surfaces contain high moisture levels, making them susceptible to fungal attack, surface mold, and sap stain if not dried quickly.

Step 2: Detailed Explation:

Non-refractory woods (Class C) dry rapidly and are resistant to cracking and splitting.
For these easy-to-season timbers, a prelimiry surface drying treatment is beneficial before they are placed into main seasoning yards.
Vertical stacking is a traditiol, rapid air seasoning method where sawn planks are stood nearly upright, leaning against a central horizontal bar.
This orientation maximizes exposure to air currents and promotes rapid draige of free surface water.
It achieves rapid surface drying, which helps prevent fungal discoloration and mold on non-refractory timbers before they are transferred to more structured, horizontal air-seasoning stacks.
Kiln seasoning, salt seasoning, and chemical seasoning are complex methods used for moderately or highly refractory timbers to control interl stress and moisture gradients.

Step 3: Fil Answer

Therefore, vertical stacking is the correct seasoning method used for rapid surface drying of non-refractory woods.
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