Bt - Mock Exam (Annayazu)

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Bt - Mock Exam (Annayazu) - Quiz

Expanded Version of CentroArkitektura Mock-Exam (Building Technology and Construction) for Jan. 2020 ALE. Credits to Arch. RD Fernandez


Questions and Answers
  • 1. 

    This is considered to be the most expensive roof framing system to cover large or huge spaces.

    • A.

      Concrete slab

    • B.

      Steel space frame

    • C.

      Rigid steel frame

    • D.

      Bamboo space frame

    • E.

      Engineered wood frame

    Correct Answer
    B. Steel space frame
    Explanation
    A steel space frame is considered to be the most expensive roof framing system for covering large or huge spaces. This is because steel is a strong and durable material that can support heavy loads and span large distances without the need for additional support columns or beams. Additionally, the design and fabrication of a steel space frame can be complex and require specialized engineering expertise, adding to the overall cost.

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  • 2. 

    For a steel space frame type of roof framing system, what is the most appropriate roof covering material?

    • A.

      Longspan G.I.

    • B.

      Concrete slab

    • C.

      Composite steel

    • D.

      Asphalt

    • E.

      Glass

    Correct Answer
    E. Glass
    Explanation
    Glass is the most appropriate roof covering material for a steel space frame type of roof framing system. This is because glass has a high strength-to-weight ratio, allowing it to be supported by the steel frame without adding excessive weight to the structure. Glass also provides natural light transmission, enhancing the aesthetics of the space and reducing the need for artificial lighting during the day. Additionally, glass is durable, resistant to weather elements, and can be designed to provide thermal insulation and UV protection.

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  • 3. 

    For a Warehouse project with galvanized sheet roofing, what is the spacing support for eaves if this project is in a typhoon-prone area?

    • A.

      300 mm

    • B.

      400 mm

    • C.

      600 mm

    • D.

      1000 mm

    • E.

      1200 mm

    Correct Answer
    A. 300 mm
    Explanation
    In a typhoon-prone area, it is important to have strong support for the roofing of a warehouse project. The correct answer of 300 mm suggests that the spacing support for eaves should be 300 mm. This means that the support beams or brackets should be placed at intervals of 300 mm along the eaves of the roof. This closer spacing ensures that the roofing is secure and can withstand the strong winds and potential damage caused by typhoons.

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  • 4. 

    The binding material for mortar in a traditional brick masonry construction, such as Tumauni Church in Isabela.

    • A.

      Clay

    • B.

      Lime

    • C.

      Cement

    • D.

      Coral

    • E.

      Sea Shells

    Correct Answer
    B. Lime
    Explanation
    Lime is the correct answer because it is commonly used as a binding material for mortar in traditional brick masonry construction. Lime has been used for centuries in construction due to its ability to create a strong and durable bond between bricks. It is also known for its flexibility and ability to allow moisture to escape, preventing damage to the bricks. Additionally, lime has a long history of use in traditional construction methods, making it a suitable choice for a traditional brick masonry construction like the Tumauni Church in Isabela.

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  • 5. 

    Lime plaster is known in the Philippines as

    • A.

      Largamasa

    • B.

      Halo

    • C.

      Estuko

    • D.

      Paletada

    • E.

      Tabike

    Correct Answer
    D. Paletada
    Explanation
    Paletada is the correct answer because it is a term used in the Philippines to refer to lime plaster. Lime plaster is a type of plaster made from lime, water, and sand, which is commonly used as a finishing material for walls and ceilings. The term "paletada" is derived from the Spanish word "paleta," which means trowel. This term is used to describe the process of applying lime plaster to a surface using a trowel, hence its association with lime plaster in the Philippines.

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  • 6. 

    The concrete commonly used in low-cost, small-scale, and low-rise projects.

    • A.

      Plain

    • B.

      Regular

    • C.

      Normal

    • D.

      High-strength

    • E.

      Ordinary

    Correct Answer
    C. Normal
    Explanation
    Normal concrete is commonly used in low-cost, small-scale, and low-rise projects. This type of concrete has a standard strength and is suitable for most general construction purposes. It is cost-effective and readily available, making it a popular choice for smaller projects where high-strength or specialized concrete is not necessary.

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  • 7. 

    A material other than water, aggregates, and hydraulic cement, used as an ingredient of concrete or mortar, and added to the batch immediately before during its mixing.

    • A.

      Pozzolana

    • B.

      Admixture

    • C.

      White Cement

    • D.

      Calcium

    • E.

      Pea gravel

    Correct Answer
    B. Admixture
    Explanation
    An admixture is a material that is added to concrete or mortar during the mixing process. It is used to modify or improve certain properties of the mixture, such as workability, setting time, strength, or durability. Admixtures are typically added in small quantities and can be chemical or mineral-based. They are not considered part of the main ingredients of concrete, which are water, aggregates, and hydraulic cement. Therefore, the correct answer is admixture.

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  • 8. 

    Which is NOT true about concrete?

    • A.

      Economical

    • B.

      Recyclable

    • C.

      Impervious to water

    • D.

      Lightweight

    • E.

      Fireproof

    Correct Answer
    B. Recyclable
    Explanation
    Concrete is a widely used construction material due to its various properties. However, one property that is NOT true about concrete is that it is recyclable. Unlike materials like glass or metal, concrete cannot be easily recycled. It is a non-renewable resource and once it is used, it is difficult to separate and reuse the components effectively. Therefore, while concrete is economical, impervious to water, lightweight, and fireproof, it is not recyclable.

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  • 9. 

    For the time duration enumerated below (in days), which will be an expensive curing duration for concrete?

    • A.

      14

    • B.

      21

    • C.

      28

    • D.

      36

    • E.

      40

    Correct Answer
    A. 14
    Explanation
    A curing duration of 14 days would be considered expensive for concrete because it is shorter than the other options listed. Curing is the process of maintaining moisture and temperature conditions in freshly placed concrete to allow it to achieve the desired properties. The longer the curing duration, the better the strength and durability of the concrete. Therefore, a shorter curing duration like 14 days would likely result in weaker and less durable concrete compared to the other options.

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  • 10. 

    Waterproofing to prevent water penetration in concrete joints.

    • A.

      Item A only

    • B.

      Item A and B

    • C.

      Item C only

    • D.

      Item C and D

    • E.

      Item D only

    Correct Answer
    D. Item C and D
    Explanation
    The correct answer is Item C and D because both Item C and D are necessary for waterproofing to prevent water penetration in concrete joints. Item C refers to the waterproofing material or coating that is applied to the concrete surface to create a barrier against water. Item D refers to the proper installation of sealants or joint fillers in the concrete joints to prevent water from seeping through. Together, these two items work in tandem to effectively waterproof the concrete joints and prevent water penetration.

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  • 11. 

    Waterproofing for toilets in a multi-storey building.

    • A.

      Item A only

    • B.

      Item B only

    • C.

      Item A and B

    • D.

      Item C and D

    • E.

      Item D only

    Correct Answer
    B. Item B only
    Explanation
    Item B only is the correct answer because waterproofing is specifically required for toilets in a multi-storey building. Item A may be related to another aspect of the building, but it is not directly related to waterproofing for toilets. Item C and D are not mentioned in the question and therefore cannot be considered as correct options.

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  • 12. 

    Waterproofing for exterior walls of buildings.

    • A.

      Item A only

    • B.

      Item B only

    • C.

      Item A and B

    • D.

      Item C and D

    • E.

      Item D only

    Correct Answer
    C. Item A and B
    Explanation
    The correct answer is Item A and B. This means that both Item A and Item B are necessary for waterproofing the exterior walls of buildings. Without both of these items, the walls may not be adequately protected from water damage.

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  • 13. 

    Waterproofing for basement area of buildings.

    • A.

      Item A only

    • B.

      Item B only

    • C.

      Item C

    • D.

      Item C and D

    • E.

      Item B, C, & D

    Correct Answer
    E. Item B, C, & D
    Explanation
    The correct answer is Item B, C, & D. This means that all three items, B, C, and D, are required for waterproofing the basement area of buildings. Item B is necessary because it is specifically mentioned as being required. Item C is also necessary as it is listed separately from Item A, which implies that it is a separate requirement. Item D is necessary because it is included in the answer, indicating that it is also a requirement for waterproofing the basement area.

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  • 14. 

    Item A is what type of waterproofing?

    • A.

      Liquid Membrane

    • B.

      Sheet Membrane

    • C.

      Waterstop

    • D.

      Integral Type

    • E.

      Sahara

    Correct Answer
    A. Liquid Membrane
    Explanation
    The correct answer is Liquid Membrane. Liquid membrane waterproofing is a type of waterproofing that involves applying a liquid coating to the surface, creating a seamless and flexible barrier against water penetration. This method is commonly used for roofs, balconies, and other horizontal surfaces. It is a popular choice due to its ease of application, versatility, and ability to adhere to various substrates.

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  • 15. 

    Item B is what type of waterproofing?

    • A.

      Liquid Membrane

    • B.

      Sheet Membrane

    • C.

      Waterstop

    • D.

      Integral Type

    • E.

      Sahara

    Correct Answer
    B. Sheet Membrane
    Explanation
    The correct answer is Sheet Membrane. This type of waterproofing involves using a sheet-like material that is applied to the surface to prevent water penetration. It is commonly used in construction for roofs, basements, and other areas that require effective waterproofing. Sheet membranes are typically made of materials like bitumen, PVC, or EPDM, and they provide a durable and long-lasting solution for keeping water out.

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  • 16. 

    Item C is what type of waterproofing?

    • A.

      Liquid Membrane

    • B.

      Sheet Membrane

    • C.

      Waterstop

    • D.

      Integral Type

    • E.

      Sahara

    Correct Answer
    C. Waterstop
    Explanation
    Waterstop is a type of waterproofing that is used to prevent the passage of water through joints in concrete structures. It is typically made of a flexible material, such as rubber or PVC, and is placed in the joints to create a watertight seal. Waterstop is commonly used in applications such as basements, tunnels, and swimming pools to ensure that water does not leak through the joints and cause damage to the structure.

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  • 17. 

    Which among the following is a supplier of steel bars and built-up sections in the Philippines?

    • A.

      Puyat Steel

    • B.

      DN Steel

    • C.

      SteelAsia

    • D.

      JEA Steel

    • E.

      Trane

    Correct Answer
    C. SteelAsia
    Explanation
    SteelAsia is the correct answer because it is a known supplier of steel bars and built-up sections in the Philippines. They are a leading manufacturer and supplier of steel products, catering to various industries such as construction, infrastructure, and manufacturing. SteelAsia is recognized for its high-quality products and reliable service, making them a trusted choice for steel needs in the Philippines.

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  • 18. 

    Which is/are for frameless panel door?

    • A.

      Item A only

    • B.

      Item B only

    • C.

      Item C only

    • D.

      Item A, B, & C

    • E.

      Item D & C

    Correct Answer
    D. Item A, B, & C
    Explanation
    The correct answer is Item A, B, & C. This means that all three items, A, B, and C, are suitable for frameless panel doors.

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  • 19. 

    Which is/are for glass railings?

    • A.

      Item A only

    • B.

      Item A & B

    • C.

      Item C only

    • D.

      Item D only

    • E.

      Item D & E

    Correct Answer
    E. Item D & E
    Explanation
    The correct answer is Item D & E because glass railings can be made using Item D, which is glass panels, and Item E, which is metal posts or brackets to hold the glass panels in place. Both of these items are necessary components for constructing glass railings.

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  • 20. 

    The figure shown is used for

    • A.

      Cutting

    • B.

      Soldering

    • C.

      Grinding

    • D.

      Shape Forming

    • E.

      Polishing

    Correct Answer
    A. Cutting
    Explanation
    The figure shown is most likely a tool or equipment specifically designed for cutting purposes. It could be a saw, knife, or any other cutting tool. The other options mentioned, such as soldering, grinding, shaping, and polishing, do not typically require the specific design or features that would be present in a cutting tool. Therefore, based on the given options, the correct answer is cutting.

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  • 21. 

    The figure shown is used to hold

    • A.

      Composite Panel

    • B.

      Space Frame

    • C.

      Aluminum

    • D.

      Steel

    • E.

      Glass

    Correct Answer
    E. Glass
    Explanation
    The figure shown is used to hold glass.

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  • 22. 

    Ratio of cement to sand for plastering, 1 part cement is to ____ part sand

    • A.

      1

    • B.

      1.5

    • C.

      2

    • D.

      3

    • E.

      4

    Correct Answer
    B. 1.5
    Explanation
    The correct answer is 1.5 because the ratio of cement to sand for plastering is typically 1:1.5. This means that for every part of cement, you would need 1.5 parts of sand. This ratio ensures a proper mix and consistency for the plaster, resulting in a strong and durable finish.

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  • 23. 

    What is VOC?

    • A.

      Very Organic Compounds

    • B.

      Volatile Organic Compounds

    • C.

      Volatile Organ Compounds

    • D.

      Volatile Organic Composition

    • E.

      Volatile Organic Chemicals

    Correct Answer
    B. Volatile Organic Compounds
    Explanation
    Volatile Organic Compounds (VOCs) are organic chemicals that have a high vapor pressure at room temperature. They are emitted as gases from certain solids or liquids, and can have short-term and long-term adverse health effects when present in high concentrations. VOCs are commonly found in household products such as paints, cleaning supplies, and building materials. They also contribute to air pollution and can react with other pollutants to form harmful substances like ozone. Therefore, the correct answer is Volatile Organic Compounds.

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  • 24. 

    Which among the listed roofing materials is considered to be the lightest type?

    • A.

      Metal

    • B.

      Slate Tile

    • C.

      Clay Tile

    • D.

      Asphalt Shingle

    • E.

      Thatch (including battens)

    Correct Answer
    A. Metal
    Explanation
    Metal is considered to be the lightest type of roofing material among the options listed. Metal roofs are typically made from lightweight materials such as aluminum or steel, which makes them lighter compared to other options like slate tile, clay tile, asphalt shingle, or thatch. The lightweight nature of metal roofing not only makes it easier to install but also reduces the overall load on the structure of the building.

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  • 25. 

    The most common system of building construction for low and midrise buildings known to be cost effective and faster to erect.

    • A.

      Prefab

    • B.

      Space Frame

    • C.

      Cast In- Situ

    • D.

      Tilt-up

    • E.

      Steel Frame

    Correct Answer
    A. Prefab
    Explanation
    Prefab, short for prefabricated, refers to a construction method where building components are manufactured off-site in a factory and then transported to the construction site for assembly. This method is known to be cost-effective and faster to erect compared to traditional on-site construction. Prefabricated buildings are built using standardized components that are produced in a controlled environment, ensuring quality and reducing construction time. Additionally, prefab construction allows for greater flexibility in design and can be easily customized to meet specific requirements.

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  • 26. 

    What is a column footing?

    • A.

      Shallow strip

    • B.

      Shallow square

    • C.

      Very deep strip

    • D.

      Very deep square

    • E.

      Hollow tube

    Correct Answer
    B. Shallow square
    Explanation
    A column footing is a type of foundation that supports the weight of a column or post. It is typically a concrete structure that is wider at the bottom and provides stability and strength to the column. A shallow square footing refers to a footing that is not very deep and has a square shape. This type of footing is commonly used when the soil conditions are favorable and can adequately support the load of the column.

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  • 27. 

    For the door hardware shown, which is used as a hanging device?

    • A.

      Item A

    • B.

      Item B

    • C.

      Item C

    • D.

      Item D

    • E.

      Item E

    Correct Answer
    C. Item C
    Explanation
    Item C is used as a hanging device because it is a door hinge. Hinges are commonly used to attach doors to frames and allow them to swing open and closed. Therefore, Item C is the correct answer as it serves the purpose of a hanging device for the door.

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  • 28. 

    For the door hardware shown, which is used as a securing device?

    • A.

      Item A

    • B.

      Item B

    • C.

      Item C

    • D.

      Item D

    • E.

      Item E

    Correct Answer
    A. Item A
    Explanation
    Item A is used as a securing device because it appears to be a lock mechanism. It has a keyhole and a latch, indicating that it can be locked and unlocked to secure the door.

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  • 29. 

    For the door hardware shown, which is used as a stopping device?

    • A.

      Item A

    • B.

      Item B

    • C.

      Item C

    • D.

      Item D

    • E.

      Item E

    Correct Answer
    D. Item D
    Explanation
    Item D is used as a stopping device because it appears to be a doorstop or door holder. It is designed to prevent the door from closing fully or to hold it in a partially open position. The other items (A, B, C, and E) do not appear to serve this purpose based on the information provided.

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  • 30. 

    For the door hardware shown, which is used as a closing device?

    • A.

      Item A

    • B.

      Item B

    • C.

      Item C

    • D.

      Item D

    • E.

      Item E

    Correct Answer
    E. Item E
    Explanation
    Item E is used as a closing device because it appears to be a door closer. Door closers are typically installed on the top of a door and are designed to automatically close the door after it has been opened. They provide control over the speed and force with which the door closes, ensuring that it closes smoothly and securely.

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  • 31. 

    For the door hardware shown, which is used for ease of opening?

    • A.

      Item A

    • B.

      Item B

    • C.

      Item C

    • D.

      Item D

    • E.

      Item E

    Correct Answer
    B. Item B
    Explanation
    Item B is used for ease of opening because it is a lever handle, which allows for a more ergonomic grip and requires less force to operate compared to other types of door hardware such as knobs or pulls. Lever handles are particularly beneficial for individuals with limited hand strength or dexterity, making it easier for them to open the door.

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  • 32. 

    Which among the listed companies is NOT a paint company in the Philippines?

    • A.

      Nippon

    • B.

      Davies

    • C.

      Boysen

    • D.

      ADD

    • E.

      Universal

    Correct Answer
    C. Boysen
    Explanation
    Boysen is the correct answer because it is a paint company in the Philippines. Nippon, Davies, ADD, and Universal are all also paint companies in the Philippines.

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  • 33. 

    Classification of fires involving ordinary combustible solid materials like wood, paper, cloth, etc.

    • A.

      Class A

    • B.

      Class B

    • C.

      Class C

    • D.

      Class D

    • E.

      Class E

    Correct Answer
    A. Class A
    Explanation
    Class A fires involve ordinary combustible solid materials like wood, paper, cloth, etc. These materials are commonly found in homes, offices, and other everyday environments. Class A fires can be extinguished by water, foam, or other common extinguishing agents.

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  • 34. 

    Classification of fires involving energized electrical equipment like electrical panel, motor, wiring, etc.

    • A.

      Class A

    • B.

      Class B

    • C.

      Class C

    • D.

      Class D

    • E.

      Class E

    Correct Answer
    C. Class C
    Explanation
    Class C fires involve energized electrical equipment such as electrical panels, motors, and wiring. These fires occur when an electrical source ignites flammable materials or when a fire causes electrical equipment to malfunction. The "C" classification is used to identify and address these specific types of fires, as they require unique safety measures and extinguishing methods.

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  • 35. 

    Buildings of masonry and wood construction with structural members that are fire-resistant and one-hour fire-resistive throughout.

    • A.

      Type I

    • B.

      Type II

    • C.

      Type III

    • D.

      Type IV

    • E.

      Type V

    Correct Answer
    C. Type III
    Explanation
    Type III buildings are constructed with masonry and wood materials that are fire-resistant and have one-hour fire-resistive structural members throughout. This means that the building is designed to withstand fire for at least one hour, providing a higher level of fire protection compared to Type V buildings. Type III buildings are commonly found in commercial and residential structures, such as apartments, hotels, and office buildings, where fire safety is a significant concern.

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  • 36. 

    A material that can be used as a substitute for glass shaped into small and thin square pattern and with diffusive effect once exposed to sunlight.

    • A.

      Pattern glass

    • B.

      Glass block

    • C.

      Stained glass

    • D.

      Capiz

    • E.

      Alero

    Correct Answer
    D. Capiz
    Explanation
    Capiz is a material that can be used as a substitute for glass and is often shaped into small and thin square patterns. When exposed to sunlight, capiz has a diffusive effect, meaning it scatters or spreads the light in different directions. This makes it an ideal choice for windows or decorative pieces where diffused light is desired. Pattern glass, glass block, stained glass, and alero do not specifically have the same properties as capiz, making them incorrect choices.

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  • 37. 

    Glass having an irregular surface pattern formed in the rolling process to obscure vision or to diffuse light is known as

    • A.

      Pattern glass

    • B.

      Glass block

    • C.

      Stained glass

    • D.

      Obscured glass

    • E.

      Sheet glass

    Correct Answer
    D. Obscured glass
    Explanation
    Obscured glass is the correct answer because it refers to glass that has an irregular surface pattern formed in the rolling process. This pattern is designed to obscure vision or diffuse light, making it difficult to see through the glass clearly. Obscured glass is commonly used in windows, doors, and other applications where privacy or light diffusion is desired. It is different from other types of glass such as pattern glass, glass block, stained glass, and sheet glass, which have their own distinct characteristics and uses.

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  • 38. 

    Which among the glass listed below is not considered as a safety glass

    • A.

      Pattern glass

    • B.

      Tempered glass

    • C.

      Laminated glass

    • D.

      Wired glass

    • E.

      Bullet proof glass

    Correct Answer
    A. Pattern glass
    Explanation
    Pattern glass is not considered as a safety glass because it is a type of decorative glass that does not provide the same level of protection as other types of safety glass. Pattern glass is typically used for aesthetic purposes and does not have the same impact resistance or shatterproof properties as safety glass options like tempered glass, laminated glass, wired glass, or bulletproof glass.

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  • 39. 

    This type of retaining wall is made of rectangular baskets made of steel wherein it is filled with stones to hold the soil.

    • A.

      Riprap

    • B.

      Gabion wall

    • C.

      Bearing wall

    • D.

      Retaining wall

    • E.

      Stone gravity wall

    Correct Answer
    B. Gabion wall
    Explanation
    A gabion wall is a type of retaining wall that is made of rectangular baskets made of steel. These baskets are filled with stones, which provide stability and help hold the soil in place. The stones in the gabion wall create a strong barrier against erosion and can withstand the pressure from the soil behind it. This type of wall is commonly used in areas where erosion control is needed, such as along riverbanks or slopes.

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  • 40. 

    The Filipino vernacular term for battens.

    • A.

      Barakilan

    • B.

      Biga

    • C.

      Tahilan

    • D.

      Trabesanyo

    • E.

      Barateja

    Correct Answer
    E. Barateja
    Explanation
    Barateja is the correct answer because it is the Filipino vernacular term for battens. The other options (Barakilan, Biga, Tahilan, Trabesanyo) do not correspond to the given term.

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  • 41. 

    Wall treatment, mostly painted or with wall panels, measuring usually 0.90 meters vertical distance from the floor finish.

    • A.

      Siding

    • B.

      Surround

    • C.

      Wainscot

    • D.

      Paneling

    • E.

      Chair rail

    Correct Answer
    C. Wainscot
    Explanation
    Wainscot is the correct answer because it refers to a type of wall treatment that is typically installed at a vertical distance of 0.90 meters from the floor finish. Wainscot can be made of painted panels or wall panels, which aligns with the description provided in the question.

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  • 42. 

    Steel material best for exposed trusses and if budgetary issue of roof framing system is a concern.

    • A.

      C-channel

    • B.

      Angle Bar

    • C.

      Tubular

    • D.

      Rectangular

    • E.

      Space Frame

    Correct Answer
    C. Tubular
    Explanation
    Tubular steel is the best choice for exposed trusses and if there is a budgetary concern for the roof framing system. Tubular steel is known for its strength and durability, making it suitable for supporting the weight of the roof. It also has an aesthetically pleasing appearance, making it ideal for exposed trusses. Additionally, tubular steel is cost-effective compared to other options like C-channel, Angle Bar, Rectangular, and Space Frame, making it a suitable choice when budget is a concern.

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  • 43. 

    A rich cement mortar which is applied by spraying under high-pressure is known as

    • A.

      Portland cement

    • B.

      Gunite

    • C.

      Plaster cement finish

    • D.

      Pneumatic mortar

    • E.

      Spray finish

    Correct Answer
    B. Gunite
    Explanation
    Gunite is a rich cement mortar that is applied by spraying under high-pressure. It is commonly used in construction for its ability to adhere to various surfaces and create a strong, durable finish. Gunite is often used for applications such as swimming pools, tunnels, and retaining walls, where its high strength and flexibility are advantageous. Its application process allows for easy and efficient coverage of large areas, making it a popular choice in construction projects.

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  • 44. 

    The most common size of aggregates used for structural members in a concrete construction.

    • A.

      ½”

    • B.

      ¾”- 1”

    • C.

      1” - 1 ½”

    • D.

      1 ½” - 2”

    • E.

      2” - 3”

    Correct Answer
    B. ¾”- 1”
    Explanation
    The most common size of aggregates used for structural members in a concrete construction is typically between ¾" and 1". This range of aggregate size provides a good balance of strength and workability for the concrete mixture. It allows for proper bonding between the aggregates and the cement paste, resulting in a strong and durable concrete structure. Using larger aggregates can lead to a decrease in workability and increase the risk of segregation, while using smaller aggregates may result in a weaker concrete mix. Therefore, the ¾" to 1" size range is commonly preferred for structural members in concrete construction.

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  • 45. 

    Honeycomb in concrete can be prevented by

    • A.

      Using insecticides

    • B.

      Using vibrators

    • C.

      Having good mixture

    • D.

      Using less water

    • E.

      Using wider formworks

    Correct Answer
    B. Using vibrators
    Explanation
    Using vibrators can prevent honeycomb in concrete. Vibrators are used to remove air bubbles from the concrete mixture, ensuring that it is properly compacted. When concrete is not properly compacted, air voids can form, resulting in honeycomb. By using vibrators, the concrete becomes denser and the likelihood of honeycomb formation is reduced.

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  • 46. 

    The pile material ideal for low-rise projects near coastal waters or swampy area.

    • A.

      Steel

    • B.

      Wood

    • C.

      Caisson

    • D.

      Composite

    • E.

      Precast concrete

    Correct Answer
    B. Wood
    Explanation
    Wood is the ideal pile material for low-rise projects near coastal waters or swampy areas because it has natural resistance to decay and insects, making it suitable for wet environments. Additionally, wood is lightweight and easy to handle, making it convenient for construction in such areas. It is also cost-effective compared to other materials like steel or concrete. Moreover, wood piles can be easily driven into the ground, providing stability and support to the structure.

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  • 47. 

    The kind of roof appropriate if asphalt shingles will be the materials for roof covering.

    • A.

      Hip Roof

    • B.

      Gable Roof

    • C.

      Steep Roof

    • D.

      Flat Roof

    • E.

      Shed Type

    Correct Answer
    C. Steep Roof
    Explanation
    A steep roof would be the most appropriate kind of roof if asphalt shingles will be used as the roof covering material. This is because asphalt shingles are designed to shed water effectively, and a steep roof allows for better water drainage. Additionally, a steep roof provides better resistance against wind and snow loads, which can be important factors to consider in areas with harsh weather conditions.

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  • 48. 

    A type of wood-end joint where ends of two pieces of timber are united to form a continuous piece without the need for lapping. This joint is ideal for exposed rafters.

    • A.

      Scarf joint

    • B.

      Miter joint

    • C.

      Lap joint

    • D.

      Finger joint

    • E.

      Mortise and Tenon

    Correct Answer
    A. Scarf joint
    Explanation
    A scarf joint is a type of wood-end joint where the ends of two pieces of timber are united to form a continuous piece without the need for lapping. This joint is ideal for exposed rafters because it creates a strong and seamless connection between the two pieces of wood. The angled cuts in a scarf joint allow for a larger gluing surface, resulting in a more secure and durable joint. This type of joint is commonly used in woodworking and carpentry to join beams, posts, and other structural elements.

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  • 49. 

    Another term for plaster board is

    • A.

      Gypsum board or lath

    • B.

      Block board

    • C.

      Form board

    • D.

      Concrete board

    • E.

      Ficemboard

    Correct Answer
    A. Gypsum board or lath
    Explanation
    Plaster board is also known as gypsum board or lath. Gypsum board is a building material made of a gypsum core sandwiched between two layers of paper. It is commonly used for interior walls and ceilings in construction due to its fire resistance and durability. Lath, on the other hand, refers to thin strips of wood or metal that are used as a base for plaster. Both terms are interchangeable and refer to the same type of building material.

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  • 50. 

    Portion of post or sheet metal driven into the soil to secure firm foundation.

    • A.

      Pile

    • B.

      Sheet Pile

    • C.

      Caisson

    • D.

      Lagging

    • E.

      Steel board

    Correct Answer
    B. Sheet Pile
    Explanation
    A sheet pile is a portion of post or sheet metal that is driven into the soil to provide a secure foundation. It is commonly used in construction projects to create retaining walls, cofferdams, and bulkheads. The sheet pile is designed to interlock with adjacent piles, creating a continuous barrier that can withstand the pressure of the surrounding soil or water. This method of construction is effective in stabilizing the ground and preventing soil erosion, making it a popular choice in civil engineering projects.

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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 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 11, 2020
    Quiz Created by
    Luis
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