The basic sp. gr. of woods is commonly b/w 0.35 and 0.60, but can chan – McqOptions

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1.	The basic sp. gr. of woods is commonly b/w 0.35 and 0.60, but can change from 0.2 0.7.
A.	tTrue
B.	tFalse
Answer» B. tFalse

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A sample of wet Douglas-fir wood 20 mm thick, 50 mm wide and 10 cm long weighs 90.21 g. It is then dried at 105 Celcius to constant weight and re-weighed after cooling in a desiccator. The oven-dry weight is 44.37 g. What are the MC<sub>GR</sub>, MC<sub>QD</sub>, and basic specific gravity of the wood sample?
The _________of wood s a measure of the H<sub>2</sub>O content relative to either the total wet weight of material or to the weight of oven dried wood material.
The viscosity of a material s defined as the mass/unit volume.
The basic sp. gr. of woods is commonly b/w 0.35 and 0.60, but can change from 0.2 0.7.
The specific gravity (specific gravity) of wood s the oven-dry weight of wood divided by the weight of _________ of H<sub>2</sub>O.