FORESTRY
GENERAL FORESTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT considered a naturally durable wood?
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white pine
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white oak
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cedar
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black walnut
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Explanation:
Detailed explanation-1: -The untreated sapwood of all timber species is regarded as class 4 (non-durable), irrespective of the heartwood rating.
Detailed explanation-2: -Australian Buloke – 5, 060 IBF. Schinopsis brasiliensis – 4, 800 IBF. Schinopsis balansae – 4, 570 IBF. Lignum vitae – 4, 500 IBF. Piptadenia Macrocarpa – 3, 840 IBF. Brazilian Olivewood – 3, 700 IBF. Brazilian Ebony – 3, 692 IBF. Brazilian Walnut – 3, 684 IBF. More items •09-Sept-2022
There is 1 question to complete.