Moderate
What are causes of shakes?
Correct answer: C. Both (a) & (b)
- A. To Kochler (1933), due unbalanced growth stresses or forces
- B. They may develop as a result of heavy frost
- C. Both (a) & (b)
- D. None of these
Explanation
Shakes are separations or cracks in wood associated with internal growth stresses, and severe frost can also produce them. Thus both stated causes are included.
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