Prelim Exam (Wst 164/Wst 188 - Forest Products Utilization)

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Prelim Exam (Wst 164/Wst 188 - Forest Products Utilization) - Quiz

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Questions and Answers
  • 1. 

    The following are forest products, except

    • A.

      A.) timber

    • B.

      B.) rattan

    • C.

      C.) tannin

    • D.

      D.) corn

    Correct Answer
    D. D.) corn
    Explanation
    Corn is not considered a forest product because it is a crop that is typically grown in agricultural fields, not in forests. Timber, rattan, and tannin, on the other hand, are all derived from forests. Timber refers to wood that is used for construction or other purposes, rattan is a type of climbing palm used for making furniture, and tannin is a substance extracted from tree bark and used in tanning leather.

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  • 2. 

    These columns used to carry power and telecommunication lines.

    • A.

      A.) piles

    • B.

      B.) posts

    • C.

      C.) pallets

    • D.

      D.) poles

    Correct Answer
    D. D.) poles
    Explanation
    Poles are tall, cylindrical structures that are commonly used to carry power and telecommunication lines. They are designed to support the weight of the lines and provide stability. Piles are typically used as foundations for structures, posts are vertical supports for fences or signs, and pallets are platforms used for storing or transporting goods. Therefore, the correct answer is D) poles.

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  • 3. 

    It is a container with six (6) lumber faces held firmly together with nails or other metal fastenings.

    • A.

      A.) cooperage

    • B.

      B.) box

    • C.

      C.) pallet

    • D.

      D.) crate

    Correct Answer
    B. B.) box
    Explanation
    The given description clearly matches the definition of a box, which is a container made of lumber with six faces held together with nails or other metal fastenings. Therefore, the correct answer is B.) box.

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  • 4. 

    What do you call the wood’s alcohol?

    • A.

      A.) lacquer

    • B.

      B.) nitrocellulose

    • C.

      C.) methanol

    • D.

      D.) shellac

    Correct Answer
    C. C.) methanol
    Explanation
    Methanol is the correct answer because it is commonly known as wood alcohol. Methanol is a type of alcohol that is produced from the destructive distillation of wood and is often used as a solvent or fuel. The term "wood's alcohol" is a colloquial name for methanol, referring to its origin from wood.

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  • 5. 

    These are used in the construction of guard rails in embankments along roads and highways.

    • A.

      A.) posts

    • B.

      B.) pallets

    • C.

      C.) piles

    • D.

      D.) poles

    Correct Answer
    A. A.) posts
    Explanation
    Posts are the correct answer because they are commonly used in the construction of guard rails in embankments along roads and highways. Posts provide support and stability to the guard rails, ensuring the safety of vehicles and pedestrians by preventing them from veering off the road or crossing into opposing traffic. Pallets, piles, and poles are not typically used for this purpose.

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  • 6. 

    Which of the following does not belong to the group?

    • A.

      A.) wood excelsior

    • B.

      B.) firewood

    • C.

      C.) match stick

    • D.

      D.) toothpick

    Correct Answer
    B. B.) firewood
    Explanation
    Firewood is the only option that does not belong to the group because it is a larger piece of wood that is used for burning in a fire, whereas the other options are all smaller forms of wood used for different purposes. Wood excelsior is a type of wood shaving used for packing material, a match stick is used for starting fires, and a toothpick is used for dental hygiene or picking food particles. Firewood does not fit into the category of smaller wood items with specific purposes.

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  • 7. 

    It is the principal product of heating wood above 270˚C (518˚F) in the absence of air.

    • A.

      A.) crate

    • B.

      B.) charcoal

    • C.

      C.) wood briquette

    • D.

      D.) shingle

    Correct Answer
    B. B.) charcoal
    Explanation
    Charcoal is formed by heating wood above 270˚C (518˚F) in the absence of air. This process, known as pyrolysis, removes the volatile components of the wood, leaving behind mostly carbon. Charcoal is commonly used as a fuel source due to its high carbon content, which allows it to burn at high temperatures. It is also used in various industries for its absorbent and filtering properties. Therefore, charcoal is the correct answer to the question.

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  • 8. 

    It is a pile of wood 8 ft. long, 4 ft. high, and 4 ft. wide.

    • A.

      A.) wood briquette

    • B.

      B.) cooperage

    • C.

      C.) pallet

    • D.

      D.) cordwood

    Correct Answer
    D. D.) cordwood
    Explanation
    The given description of the object as a pile of wood that is 8 ft. long, 4 ft. high, and 4 ft. wide matches the characteristics of cordwood. Cordwood refers to firewood that is cut and stacked in cords, typically measuring 8 ft. long, 4 ft. high, and 4 ft. wide. Therefore, the correct answer is D.) cordwood.

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  • 9. 

    Gubas (Endospermum peltatum) is the most preferred species for match stick. Cooperage is not a wood container.

    • A.

      A.) First statement is true. Second statement is false.

    • B.

      B.) All statements are false.

    • C.

      C.) First statement is false. Second statement is true.

    • D.

      D.) All statements are true.

    Correct Answer
    A. A.) First statement is true. Second statement is false.
    Explanation
    The first statement is true because Gubas, also known as Endospermum peltatum, is indeed the most preferred species for match stick production. However, the second statement is false because cooperage refers to the making of wooden barrels and casks, which are types of wood containers. Therefore, the correct answer is A) First statement is true. Second statement is false.

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  • 10. 

    Which of the following does not belong to the group?

    • A.

      A.) cooperage

    • B.

      B.) lumber

    • C.

      C.) piles

    • D.

      D.) pallets

    Correct Answer
    C. C.) piles
    Explanation
    The correct answer is C.) piles. Cooperage, lumber, and pallets all belong to the group of items that are used for storage or transportation of goods. However, piles do not fit into this category as they typically refer to a stack or heap of objects and are not specifically used for storage or transportation purposes.

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  • 11. 

    These are rived boards which are the same thickness at both ends, although they may be tapered in splitting by reversing the block each time one is split off.

    • A.

      A.) shingles

    • B.

      B.) cordwoods

    • C.

      C.) shakes

    • D.

      D.) pallets

    Correct Answer
    C. C.) shakes
    Explanation
    The given statement describes rived boards that have the same thickness at both ends, even though they may be tapered in splitting by reversing the block each time one is split off. This is a characteristic of shakes, which are wooden shingles used for roofing or siding. Therefore, the correct answer is C) shakes.

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  • 12. 

    Wood excelsior is used for mattresses stuffing. Pallet is a woodenware.

    • A.

      A.) Second statement is true. First statement is false.

    • B.

      B.) All statements are true.

    • C.

      C.) First statement is true. Second statement is false.

    • D.

      All statements are false.

    Correct Answer
    B. B.) All statements are true.
    Explanation
    The given explanation supports the answer B.) All statements are true. It states that wood excelsior is indeed used for mattress stuffing, which aligns with the first statement. Additionally, it confirms that pallet is a type of woodenware, which corresponds to the second statement. Therefore, both statements are true, leading to the conclusion that all statements are true.

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  • 13. 

    Long, thin strands or shredded wood, newsprint and other paper waste used in padding and filling cushions.

    • A.

      A.) wood flour

    • B.

      B.) turnery

    • C.

      C.) wood excelsior

    • D.

      D.) sawdust

    Correct Answer
    C. C.) wood excelsior
    Explanation
    Wood excelsior is the correct answer because it refers to long, thin strands or shredded wood that are used for padding and filling cushions. Wood flour is a fine wood powder, turnery refers to the art of shaping wood on a lathe, and sawdust is the small particles that are produced when wood is cut or sanded.

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  • 14. 

    Veneer is a not a major forest product. Transverse beams set in a roadbed to position and support railroad rails with small cross-sectional of 5”x8”x7’ are railroad ties classified as switch ties.

    • A.

      A.) Both statements are true.

    • B.

      B.) Both statements are false.

    • C.

      C.) Second statement is true. First statement is false.

    • D.

      D.) Second statement is false. First statement is true.

    Correct Answer
    B. B.) Both statements are false.
    Explanation
    The first statement is false because veneer is indeed a major forest product. The second statement is also false because railroad ties are not classified as switch ties based on their dimensions.

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  • 15. 

    It is a process of converting carbohydrates in wood to simple sugars done by treating wood in the form of sawdust, shavings or chips with strong acids at room temperature.

    • A.

      A.) scarification

    • B.

      B.) wood excelsior

    • C.

      C.) wood hydrolysis

    • D.

      D.) wood flour

    Correct Answer
    C. C.) wood hydrolysis
    Explanation
    Wood hydrolysis is the correct answer because it involves the process of converting carbohydrates in wood to simple sugars by treating the wood with strong acids at room temperature. This process breaks down the complex carbohydrates in wood into simpler sugar molecules through the addition of water molecules. It is commonly used in industries such as biofuel production and the manufacturing of chemicals derived from wood.

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  • 16. 

    It is a small, thin piece of wood with parallel edges, thinner at one end than the other, commonly used for covering the sides and roofs of buildings.

    • A.

      A.) crate

    • B.

      B.) shingle

    • C.

      C.) cooperage

    • D.

      D.) shake

    Correct Answer
    B. B.) shingle
    Explanation
    A shingle is a small, thin piece of wood with parallel edges, commonly used for covering the sides and roofs of buildings. It is thinner at one end than the other, making it suitable for overlapping and creating a watertight barrier. A crate is a container, cooperage refers to the making of barrels, and a shake is a wooden shingle split from a log. Therefore, the correct answer is B.) shingle.

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  • 17. 

    The following are wood fuel types, except:

    • A.

      A.) charcoal

    • B.

      B.) wood briquette

    • C.

      C.) pallet

    • D.

      D.) cordwood

    Correct Answer
    C. C.) pallet
    Explanation
    The question is asking for the wood fuel types that are not included in the given options. Charcoal, wood briquette, and cordwood are all types of wood fuel. However, a pallet is not a wood fuel type. A pallet is a flat transport structure made of wood that is used to support goods in a stable manner while being lifted by a forklift, pallet jack, or other lifting equipment. Therefore, option C is the correct answer as it does not belong to the wood fuel types mentioned in the question.

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  • 18. 

    It is a type of cooperage which is designed for packing, storing, and transporting dry materials.

    • A.

      A.) tight cooperage

    • B.

      B.) slack cooperage

    • C.

      C.) dry cooperage

    • D.

      D.) wet cooperage

    Correct Answer
    B. B.) slack cooperage
    Explanation
    Slack cooperage refers to a type of cooperage that is specifically designed for packing, storing, and transporting dry materials. This type of cooperage allows for some flexibility and movement of the materials inside, which is beneficial for dry goods. Tight cooperage, on the other hand, is designed to securely hold liquids or wet materials without any leakage. Dry cooperage is a general term that can refer to any type of cooperage used for dry materials, so it is not as specific as slack cooperage in this context. Wet cooperage, as the name suggests, is designed for holding liquids or wet materials.

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  • 19. 

    This type of cooperage has leakproof joints used for packing liquids.

    • A.

      A.) liquid cooperage

    • B.

      B.) solid cooperage

    • C.

      C.) slack cooperage

    • D.

      D.) tight cooperage

    Correct Answer
    D. D.) tight cooperage
    Explanation
    Tight cooperage refers to a type of cooperage that has leakproof joints used for packing liquids. This means that the joints in the cooperage are tightly sealed, preventing any liquid from leaking out. Therefore, option D is the correct answer as it accurately describes the cooperage with leakproof joints.

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  • 20. 

    These are timber columns for the support of heavy structural loads.

    • A.

      A.) piles

    • B.

      B.) posts

    • C.

      C.) pallets

    • D.

      D.) poles

    Correct Answer
    A. A.) piles
    Explanation
    The given correct answer is "A.) piles." Piles are vertical structural elements that are used to transfer heavy loads from a structure to a deeper, more stable soil or rock layer. They are commonly used in construction to support buildings, bridges, and other structures. In this context, the timber columns are likely being used as piles to provide support for heavy structural loads.

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  • 21. 

    This is a kind of natural varnish which you paint on to wood to give it a shiny surface.

    • A.

      A.) formaldehyde

    • B.

      B.) shellac

    • C.

      C.) oilcloth

    • D.

      D.) ethanol

    Correct Answer
    B. B.) shellac
    Explanation
    Shellac is a type of natural varnish that is commonly used to give wood a shiny surface. It is derived from the resin secreted by the female lac bug, which is then processed and mixed with alcohol to create the shellac solution. When applied to wood, shellac forms a protective and glossy coating that enhances the appearance of the surface. Therefore, option B, shellac, is the correct answer for this question.

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  • 22. 

    This refers to sawdust and shavings compressed together with or without the aid of a binder for use as a fuel.

    • A.

      A.) fiberboard

    • B.

      B.) wood briquette

    • C.

      C.) rank of wood

    • D.

      D.) cooperage

    Correct Answer
    B. B.) wood briquette
    Explanation
    The given description mentions sawdust and shavings being compressed together to form a fuel. This aligns with the concept of a wood briquette, which is a compacted block of wood waste used as a fuel source. Fiberboard refers to a type of engineered wood product, while the rank of wood refers to the quality or grade of wood. Cooperage refers to the making of barrels and casks. Therefore, the most suitable answer based on the given description is B.) wood briquette.

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  • 23. 

    These are used in the erection and maintenance of fence lines.

    • A.

      A.) piles

    • B.

      B.) poles

    • C.

      C.) posts

    • D.

      D.) pallets

    Correct Answer
    C. C.) posts
    Explanation
    Posts are commonly used in the erection and maintenance of fence lines. They are typically made of wood or metal and are driven into the ground to provide support and stability for the fence. Posts are essential for holding the fence panels or wires in place and ensuring that the fence remains upright and secure. They are an integral part of the fencing system and play a crucial role in its functionality and durability. Piles, poles, and pallets are not typically used for this purpose, making them incorrect options.

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  • 24. 

    This is a complex mixture containing cellulose xanthate, caustic, carbon disulfide and compounds.

    • A.

      A.) viscose rayon

    • B.

      B.) cellulose acetate

    • C.

      C.) cellulose sponge

    • D.

      D.) mordant

    Correct Answer
    A. A.) viscose rayon
    Explanation
    This complex mixture contains cellulose xanthate, which is a key component in the production of viscose rayon. Viscose rayon is a type of regenerated cellulose fiber that is commonly used in the textile industry. The mixture also contains caustic and carbon disulfide, which are used in the process of converting cellulose into cellulose xanthate. Therefore, the correct answer is A.) viscose rayon.

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  • 25. 

    Which of the following does not belong to the group?

    • A.

      A.) posts

    • B.

      B.) piles

    • C.

      C.) plywood

    • D.

      D.) firewood

    Correct Answer
    C. C.) plywood
    Explanation
    The words "posts," "piles," and "firewood" all belong to a group of items that are typically made of wood or used in construction or building. However, "plywood" is a type of wood paneling that is manufactured and not naturally occurring like the other items. Therefore, plywood does not belong to the group.

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  • 26. 

    It is a collective term descriptive of a variety of wood containers made of assemblies of staves and heads securely held together with wooden, iron-wire, or strap-steel hoops.

    • A.

      A.) veneer basket

    • B.

      B.) pallet

    • C.

      C.) cooperage

    • D.

      D.) crate

    Correct Answer
    C. C.) cooperage
    Explanation
    The correct answer is C) cooperage. Cooperage refers to the making and repairing of barrels and casks, which are wood containers made of staves and heads held together with hoops. This term encompasses a variety of wood containers used for storage and transportation of liquids such as wine, whiskey, and oil. Veneer basket, pallet, and crate do not accurately describe the specific type of wood containers mentioned in the question.

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  • 27. 

    It is a flat wooden or metal platform on which goods are stored so that they can be lifted and moved using a forklift truck.

    • A.

      A.) cordwood

    • B.

      B.) crate

    • C.

      C.) pallet

    • D.

      D.) cooperage

    Correct Answer
    C. C.) pallet
    Explanation
    A pallet is a flat platform made of wood or metal that is used for storing goods and transporting them with the help of a forklift truck. It is commonly used in warehouses and logistics operations to efficiently move and stack items. The other options, cordwood, crate, and cooperage, do not specifically refer to this type of platform used for lifting and moving goods.

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  • 28. 

    Generally, these are flat thin curls that peel off the surface of wood when it is run through a planning machine or planer.

    • A.

      A.) sawdust

    • B.

      B.) wood shavings

    • C.

      C.) wood briquette

    • D.

      D.) rank of wood

    Correct Answer
    B. B.) wood shavings
    Explanation
    Wood shavings are the correct answer because they are flat thin curls that are produced when wood is run through a planning machine or planer. Sawdust, on the other hand, is a fine powder-like substance that is produced from cutting or sanding wood. Wood briquettes are compressed blocks of wood used as fuel, and the rank of wood refers to its quality or grade. Therefore, wood shavings best fit the description provided in the question.

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  • 29. 

    These are beams to support rails along railroad track.

    • A.

      A.) posts

    • B.

      B.) poles

    • C.

      C.) railroad ties

    • D.

      D.) mine timber

    Correct Answer
    C. C.) railroad ties
    Explanation
    Railroad ties are long, rectangular wooden or concrete beams that are used to support and secure the rails along a railroad track. They are laid perpendicular to the rails and provide stability and support to the track, ensuring that the rails remain aligned and in place. The ties are typically made from durable materials such as hardwood or concrete to withstand the weight and pressure exerted by the trains. Therefore, the correct answer is C.) railroad ties.

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  • 30. 

    What do you call the flat recesses near the top end of the pole used for seating the cross-arm?

    • A.

      A.) roofs

    • B.

      B.) grains

    • C.

      C.) pallet

    • D.

      D.) cordwood

    Correct Answer
    B. B.) grains
  • 31. 

    These products are reduced in shape and/ or size without changing the nature of the basic wood components.

    • A.

      A.) physically reduced products

    • B.

      B.) mechanically reduced products

    • C.

      C.) chemically reduced products

    • D.

      Option 4

    Correct Answer
    B. B.) mechanically reduced products
    Explanation
    The correct answer is B.) mechanically reduced products. This is because the explanation states that the products are reduced in shape and/or size without changing the nature of the basic wood components. Mechanically reducing the products refers to using physical methods such as cutting, sawing, or grinding to reduce their size or shape. This does not involve any chemical processes or changes to the composition of the wood components.

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  • 32. 

    These products are reduced through the employment of heat in wood.

    • A.

      A.) mechanically reduced products

    • B.

      B.) chemically reduced products

    • C.

      C.) physically reduced products

    • D.

      Option 4

    Correct Answer
    C. C.) physically reduced products
    Explanation
    The given statement mentions that these products are reduced through the employment of heat in wood. This implies that the reduction process is achieved by applying heat to the wood, resulting in physical changes in the products. Therefore, the correct answer is C.) physically reduced products.

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  • 33. 

    It is a slanting cut across its top or by cutting a pair of opposing angled surfaces to form an obtuse, doubled-beveled peak.

    • A.

      A.) pallet

    • B.

      B.) grain

    • C.

      C.) roof

    • D.

      D.) cordwood

    Correct Answer
    C. C.) roof
    Explanation
    The given explanation describes a roof, which is a structure that typically has a slanting cut across its top or opposing angled surfaces to form a peak. This aligns with the given description of a slanting cut and an obtuse, doubled-beveled peak. Therefore, the correct answer is C.) roof.

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  • 34. 

    Minor Forest Products are forest products other than timber. Wooden furniture is an example of a mechanically reduced wood product. 

    • A.

      A.) First statement is true. Second statement is false.

    • B.

      B.) First statement is false. Second statement is true.

    • C.

      C.) All statements are false.

    • D.

      D.) All statements are true.

    Correct Answer
    D. D.) All statements are true.
    Explanation
    The first statement is true because minor forest products refer to forest products other than timber. The second statement is also true because wooden furniture is a product that is made by mechanically reducing wood. Therefore, both statements are correct, making option D the correct answer.

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  • 35. 

    It is composed of veneers which are glued together.

    • A.

      A.) lumber

    • B.

      B.) plywood

    • C.

      C.) pallet

    • D.

      D.) wood container

    Correct Answer
    B. B.) plywood
    Explanation
    Plywood is composed of veneers that are glued together, making it the correct answer. Lumber refers to wood in its raw form, while a pallet is a platform used for storing or transporting goods. A wood container is a broad term that can refer to various types of wooden containers, but plywood specifically refers to the composition of veneers glued together.

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  • 36. 

    Costs, availability, and safety are probably the most important advantages of wood over substitute materials like steel and cement. Secondary wood products are also known as manufactured wood products. 

    • A.

      A.) All statements are true.

    • B.

      B.) Second statement is true. First statement is false.

    • C.

      C.) First statement is true. Second statement is false.

    • D.

      D.) All statements are false.

    Correct Answer
    A. A.) All statements are true.
    Explanation
    The explanation for the correct answer is that the first statement states that costs, availability, and safety are the most important advantages of wood over substitute materials like steel and cement. This implies that wood is cheaper, more readily available, and safer to use compared to steel and cement. The second statement states that secondary wood products are also known as manufactured wood products, which is true. Therefore, both statements are true, leading to the conclusion that all statements are true.

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  • 37. 

    These are vertical components of docks and wharves. 

    • A.

      A.) foundation piles

    • B.

      B.) timber piles

    • C.

      C.) posts

    • D.

      D.) poles

    Correct Answer
    B. B.) timber piles
    Explanation
    Timber piles are the correct answer because they are commonly used as vertical components in the construction of docks and wharves. Timber piles are long, cylindrical pieces of wood that are driven into the ground to provide support and stability to the structure. They are often used in marine environments due to their durability and resistance to water damage.

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  • 38. 

    What do you call the powdery particles of wood produced by sawing.

    • A.

      A.) wood shavings

    • B.

      B.) sawdust

    • C.

      C.) pulp

    • D.

      D.) wood excelsior

    Correct Answer
    B. B.) sawdust
    Explanation
    Sawdust refers to the powdery particles of wood that are produced when wood is sawed. It is a common byproduct of woodworking and is often used for various purposes such as animal bedding, composting, or as a fuel source. Wood shavings are larger and thicker pieces of wood that are typically produced by planing or shaving wood. Pulp refers to the soft, wet, and mashed-up wood fibers used in the production of paper. Wood excelsior is a type of wood shaving that is thin, curled, and used for packaging or stuffing.

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  • 39. 

    This is commonly known as “mantel” which is used to cover the table.

    • A.

      A.) oilcloth

    • B.

      B.) antifreeze

    • C.

      C.) ethanol

    • D.

      D.) mordant

    Correct Answer
    A. A.) oilcloth
    Explanation
    Oilcloth is a type of fabric that is commonly used as a table covering. It is durable and waterproof, making it ideal for protecting the table from spills and stains. The term "mantel" refers to a covering or cloth that is placed on top of a table, further supporting the idea that oilcloth is the correct answer. Antifreeze, ethanol, and mordant are not related to table coverings and do not fit the context of the question.

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  • 40. 

    It is also known as engine coolant. 

    • A.

      A.) pyroxylin

    • B.

      B.) formaldehyde

    • C.

      C.) antifreeze 

    • D.

      D.) shellac

    Correct Answer
    C. C.) antifreeze 
    Explanation
    Antifreeze is the correct answer because it is commonly used as a coolant in engines to prevent freezing and overheating. It helps regulate the temperature of the engine by absorbing and dissipating heat, preventing the coolant from freezing in cold temperatures, and raising the boiling point of the coolant in hot temperatures.

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  • 41. 

    This is the process of cleaning a garment (clothing) with an organic solvent, without using water.

    • A.

      A.) mordanting

    • B.

      B.) dry cleaning

    • C.

      C.) condensation 

    • D.

      D.) waterless cleaning

    Correct Answer
    B. B.) dry cleaning
    Explanation
    Dry cleaning is the correct answer because it refers to the process of cleaning a garment without using water. Instead, an organic solvent is used to remove stains and dirt from the fabric. This method is commonly used for delicate or sensitive fabrics that cannot withstand the agitation of a traditional washing machine. Dry cleaning allows for effective cleaning while minimizing the risk of damage to the garment.

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  • 42. 

    This is used in the manufacture of oilcloth.

    • A.

      A.) formaldehyde

    • B.

      B.) acetic acid

    • C.

      C.) condensate

    • D.

      D.) pyroxylin

    Correct Answer
    D. D.) pyroxylin
    Explanation
    Pyroxylin is a substance that is commonly used in the manufacture of oilcloth. It is a type of nitrocellulose that is soluble in a mixture of alcohol and ether. When pyroxylin is dissolved in these solvents, it forms a flexible and waterproof film that is commonly used as a coating for fabrics to create oilcloth. This coating provides the fabric with a protective layer that makes it resistant to water and other liquids. Therefore, pyroxylin is the correct answer for this question.

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  • 43. 

    This is a liquid that prevents the radiator in cars from overheating.

    • A.

      A.) pyroxylin

    • B.

      B.) antifreeze 

    • C.

      C.) formaldehyde

    • D.

      D.) acetic acid

    Correct Answer
    B. B.) antifreeze 
    Explanation
    Antifreeze is a liquid that is added to the radiator in cars to lower the freezing point and raise the boiling point of the coolant. This helps to prevent the radiator from overheating in extreme temperatures. Antifreeze also contains corrosion inhibitors to protect the radiator and other components of the cooling system from rust and corrosion. Therefore, antifreeze is the correct answer as it is specifically designed to prevent the radiator in cars from overheating.

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  • 44. 

    Pyroxylin is a gas that is dissolved in water to form the compound formalin. Grasses such as bamboo and cogon can be used as raw materials for pulp and paper manufacture. 

    • A.

      A.) Second statement is false. First statement is true.

    • B.

      B.) Both statements are false.

    • C.

      C.) Second statement is true. First statement is false.

    • D.

      D.) Both statements are true.

    Correct Answer
    C. C.) Second statement is true. First statement is false.
    Explanation
    The first statement is false because pyroxylin is not a gas, but rather a flammable solid substance. The second statement is true because grasses such as bamboo and cogon can indeed be used as raw materials for pulp and paper manufacture.

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  • 45. 

    This term refers to general charcoal production.

    • A.

      A.) carbonization

    • B.

      B.) wood hydrolysis

    • C.

      C.) wood saccharification

    • D.

      D.) destructive distillation of wood

    Correct Answer
    A. A.) carbonization
    Explanation
    Carbonization is the process of converting organic material, such as wood, into carbon or charcoal through the application of heat in the absence of air. This term accurately describes the general production of charcoal, where wood is heated to high temperatures, causing it to release volatile compounds and leaving behind carbon-rich residue. Wood hydrolysis and wood saccharification involve the breakdown of wood into sugars, which is not the same as charcoal production. Destructive distillation of wood is a similar process to carbonization, but it specifically refers to the production of chemicals and fuels from wood, rather than charcoal.

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  • 46. 

    Charcoal is not a pyroligneous residue. Cordwood is a type of wood fuel.

    • A.

      A.) All statements are true.

    • B.

      B.) First statement is true. Second statement is false.

    • C.

      C.) Second statement is true. First statement is false.

    • D.

      D.) All statements are false.

    Correct Answer
    C. C.) Second statement is true. First statement is false.
    Explanation
    The first statement, "Charcoal is not a pyroligneous residue," is false because charcoal is actually a type of pyroligneous residue. Pyroligneous residue is the byproduct of burning wood or other plant material, and charcoal is specifically produced by heating wood in the absence of oxygen. Therefore, charcoal can be considered a type of pyroligneous residue. The second statement, "Cordwood is a type of wood fuel," is true because cordwood refers to a stack of cut and split firewood that is used as a fuel source for heating or cooking.

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  • 47. 

    Wood hydrolysis is otherwise referred as carbonization. Batikuling (Litsea leytensis) is not the most preferred species for wood carving (sculpture).

    • A.

      A.) First statement is false. Second statement is true.

    • B.

      B.) First statement is true. Second statement is false.

    • C.

      C.) All statements are false.

    • D.

      D.) All statements are true.

    Correct Answer
    C. C.) All statements are false.
    Explanation
    The given answer is correct because both statements are false. The first statement states that wood hydrolysis is otherwise referred to as carbonization, which is incorrect. Wood hydrolysis is a chemical process that breaks down wood into its constituent parts using water. Carbonization, on the other hand, is a process that involves heating wood in the absence of oxygen to produce charcoal. The second statement states that Batikuling is not the most preferred species for wood carving, which is also false. Batikuling wood is actually highly valued for its fine grain and ease of carving, making it a popular choice for wood carving and sculpture. Therefore, both statements are false.

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  • 48. 

    What do you call the footwear made of wood such as bakya?

    • A.

      A.) laminated wood

    • B.

      B.) wood excelsior

    • C.

      C.) wood clogs

    • D.

      D.) cooperage

    Correct Answer
    C. C.) wood clogs
    Explanation
    Wood clogs are the correct term for the footwear made of wood, such as bakya. Wood clogs are a type of shoe that have a wooden sole and often a leather or fabric upper. They are commonly associated with traditional and folk footwear in many cultures around the world. The term "wood clogs" accurately describes the specific type of footwear made of wood, distinguishing it from other types of wooden products like laminated wood or cooperage. Wood excelsior is not a term used to refer to this type of footwear.

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  • 49. 

    Nitrocellulose with nitrogen content above 12.6 percent is considered an explosive. Pulp was derived from papyrus.

    • A.

      A.) Second statement is true. First statement is false.

    • B.

      B.) All statements are true.

    • C.

      C.) All statements are false.

    • D.

      D.) First statement is true. Second statement is false.

    Correct Answer
    D. D.) First statement is true. Second statement is false.
    Explanation
    The first statement is true because it states that nitrocellulose with nitrogen content above 12.6 percent is considered an explosive. The second statement is false because it states that pulp was derived from papyrus, which is not mentioned or implied in the given information.

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  • 50. 

    It is the most important process of preparing fibers to accept color.

    • A.

      A.) dry cleaning

    • B.

      B.) wood hydrolysis

    • C.

      C.) mordanting

    • D.

      D.) wood saccharification

    Correct Answer
    C. C.) mordanting
    Explanation
    Mordanting is the process of treating fibers with a mordant, which is a substance that helps the fibers accept and retain color. This is important because without mordanting, the color would not adhere properly to the fibers and would wash out easily. Mordanting ensures that the color is more vibrant and long-lasting. Dry cleaning, wood hydrolysis, and wood saccharification are not related to preparing fibers for accepting color, so they are not the correct answer.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 01, 2020
    Quiz Created by
    Mark Anthony

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