A block of wood with uniform horizontal section float in water with 25 cm projecting above the surface. The same block when placed in a body of oil (sp. Gr = 0.80) floats with 20 cm projecting above the oil surface. 2. What is the specific gravity of the wood?

A block of wood with uniform horizontal section float in water with 25 cm projecting above the surface. The same block when placed in a body of oil (sp. Gr = 0.80) floats with 20 cm projecting above the oil surface. 2. What is the specific gravity of the wood?

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter18: Wood, Plastics, And Composites

Section: Chapter Questions

Problem 5RQ

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A block of wood with length "h" and cross-sectional area "A" is submerged in water with 50 mm exposed above the water surface. When submerged in a liquid with a specific gravity of 1.35, it will float with 75 mm exposed above the liquid surface. 3. Obtain the specific gravity of the wood. a. 0.659 b. 0.524 4. Obtain the length of the wood. a. 163.2 b. 124.8 c. 0.956 c. 132.1 d. 0.752 c. 10.50 m² d. 146.4 5. A block of wood is 20 mm thick is floating in seawater. The specific gravity of wood is 0.65 while that of seawater is 1.03. Find the area of a block of wood, which will just support a man weighing 80 kg when the top surface is just at the water surface. a. 13.73 m² b. 14.43 m² d. 9.36 m²
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