Bt - Mock Exam (Annayazu)

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1/224 Questions

The figure shown is used to hold
- Composite Panel
- Space Frame
- Aluminum
- Steel
- Glass

About This Quiz

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

Quiz Preview

2.

Honeycomb in concrete can be prevented by
- Using insecticides
- Using vibrators
- Having good mixture
- Using less water
- Using wider formworks
Correct Answer

A. 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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3.

What is the ratio of Class A Concrete?
- 1:1.5:3
- 1:2:4
- 1:2.5:5
- 1:3:6
- 1:3.5:7
Correct Answer

A. 1:2:4

Explanation

The ratio of Class A Concrete is 1:2:4. This means that for every part of cement, there are 2 parts of sand and 4 parts of aggregate. This ratio is commonly used in construction to achieve the desired strength and durability of concrete.

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4.

For the door hardware shown, which is used as a stopping device?
- Item A
- Item B
- Item C
- Item D
- Item E
Correct Answer

A. 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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5.

Dimension of MDF in feet
- 4' x 8'
- 3' x 7'
- 2' x 6'
- 5' x 10'
Correct Answer

A. 4' x 8'

Explanation

The given answer, 4' x 8', represents the dimensions of MDF (Medium Density Fiberboard) in feet. MDF is commonly available in sheets with a size of 4 feet by 8 feet.

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6.

What is the commercial size of a non-loadbearing CHB?
- 3” x 8” x 16”
- 4” x 8” x 16”
- 5” x 8” x 16”
- 6” x 8” x 16”
- 8” x 8” x 16”
Correct Answer

A. 4” x 8” x 16”

Explanation

The commercial size of a non-loadbearing CHB is 4" x 8" x 16".

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7.

What is the commercial size of plywood?
- 4' x 8'
- 2' x 8'
- 3' x 8'
- 5' x 8'
- 6' x 8'
Correct Answer

A. 4' x 8'

Explanation

The commercial size of plywood is 4' x 8'. This means that the standard size of a plywood sheet used in commercial applications is 4 feet wide and 8 feet long. This size is widely available and commonly used in construction and woodworking projects.

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8.

Number of CMU blocks per square meter area.
- 12.5
- 15
- 10
- 13
Correct Answer

A. 12.5

Explanation

This question is asking for the number of CMU blocks per square meter area. The correct answer is 12.5, which means that there are 12.5 CMU blocks in every square meter of the given area.

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9.

Weight of reinforced concrete per cubic meter
- 2400 kg/m³
- 3000 kg/m³
- 1800 kg/m³
- 3600 kg/m³
Correct Answer

A. 2400 kg/m³

Explanation

Reinforced concrete is a composite material made of concrete and steel reinforcement. The weight of reinforced concrete per cubic meter is determined by the density of the materials used. In this case, the correct answer is 2400 kg/m³, which means that for every cubic meter of reinforced concrete, it weighs 2400 kilograms. This density is commonly used in construction and is suitable for various applications due to its strength and durability.

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10.

A test used to determine the consistency of fresh concrete.
- Slump test
- Compression test
- Compaction test
- Durability test
- Boring test
Correct Answer

A. Slump test

Explanation

The correct answer is the slump test. The slump test is a method used to measure the consistency and workability of fresh concrete. It involves filling a conical mold with concrete, then removing the mold and measuring the amount of slump or settlement of the concrete. This test is commonly used in the construction industry to ensure that the concrete has the desired consistency for proper placement and compaction. The slump test provides valuable information about the quality and workability of the concrete mixture.

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11.

Classification of fires involving ordinary combustible solid materials like wood, paper, cloth, etc.
- Class A
- Class B
- Class C
- Class D
- 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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12.

Identify the photo shown.
- Shotcrete
- Boom shotcrete
- Power trowel
- Concrete vibrator
- Chute
Correct Answer

A. Boom shotcrete

Explanation

The photo shown is of a boom shotcrete. A boom shotcrete is a machine used in construction for spraying concrete onto surfaces such as walls or ceilings. It consists of a long, extendable arm (boom) with a nozzle at the end that sprays the concrete mixture. This method is commonly used in construction projects to quickly and efficiently apply concrete to large areas.

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13.

What is used in laying bricks?
- ¾” mortar
- 3/8” plaster
- Glue
- Adhesive
- Paletada
Correct Answer

A. ¾” mortar

Explanation

Mortar is used in laying bricks. It is a mixture of cement, sand, and water that is used to hold the bricks together and provide stability to the structure. Mortar acts as a binding agent and provides strength and durability to the brickwork. It is applied between the bricks during construction and hardens over time, creating a solid and stable structure.

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14.

A strip of rubber, metal, or other material used to seal edges of a door or window against the cold
- Trimmer
- Mohir
- Weather strip
- Compression gasket
- Sash liner
Correct Answer

A. Weather strip

Explanation

A weather strip is a strip of rubber, metal, or other material that is used to seal the edges of a door or window against the cold. It helps to prevent drafts and keep the cold air from entering the room. By creating a tight seal, the weather strip helps to maintain the temperature inside the room and increase energy efficiency.

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15.

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.
- Pozzolana
- Admixture
- White Cement
- Calcium
- Pea gravel
Correct Answer

A. 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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16.

This type of retaining wall is made of rectangular baskets made of steel wherein it is filled with stones to hold the soil.
- Riprap
- Gabion wall
- Bearing wall
- Retaining wall
- Stone gravity wall
Correct Answer

A. 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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1
17.

A bag of Portland cement is equivalent to
- 20 kg
- 25 kg
- 40 kg
- 50 kg
Correct Answer

A. 40 kg

Explanation

A bag of Portland cement is typically equivalent to 40 kg. This is a standard weight for bags of cement commonly used in construction and building projects.

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18.

What is commonly used to bind masonry units?
- Cement
- Plaster
- Mortar
- Concrete
Correct Answer

A. Mortar

Explanation

Mortar is commonly used to bind masonry units. It is a mixture of cement, sand, and water that is applied between the bricks or stones to hold them together. Unlike concrete, which is a stronger and more rigid material, mortar is specifically designed to be more flexible and allow for slight movement or settling of the masonry units. This flexibility helps to prevent cracks and damage in the structure over time. Plaster and cement are not typically used for binding masonry units.

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19.

Equivalent of 7/8 inch in mm
- 22
- 21
- 23
- Not of the above
Correct Answer

A. 22

Explanation

The equivalent of 7/8 inch in mm is 22.

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20.

Testing of concrete consistency
- Slump test
- Boring test
- Compression Test
- Durability test
Correct Answer

A. Slump test

Explanation

The slump test is used to measure the consistency or workability of fresh concrete. It involves filling a cone-shaped mold with concrete, then removing the mold and measuring how much the concrete slumps or settles. The higher the slump, the more workable and fluid the concrete is. This test is important in determining if the concrete has the right consistency for the intended application, such as pouring into molds or forming structures. It helps ensure that the concrete is not too stiff or too runny, which can affect its strength and durability.

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21.

Item B is what type of waterproofing?
- Liquid Membrane
- Sheet Membrane
- Waterstop
- Integral Type
- Sahara
Correct Answer

A. 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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22.

Which is/are for glass railings?
- Item A only
- Item A & B
- Item C only
- Item D only
- Item D & E
Correct Answer

A. 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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1
23.

What is the actual thickness of a 100 mm CMU in mm?
- 100
- 90
- 80
- 75
Correct Answer

A. 100

Explanation

The actual thickness of a 100 mm CMU (Concrete Masonry Unit) is 100 mm. This means that the CMU has a thickness of 100 millimeters.

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24.

What is the actual thickness of a 150 mm CMU in mm?
- 150
- 140
- 125
- 100
Correct Answer

A. 150

Explanation

The actual thickness of a 150 mm CMU is 150 mm.

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25.

What is used to manually cut glass?
- Glass diamond cutter
- Circular saw
- Cut off saw
- Diamond disc
Correct Answer

A. Glass diamond cutter

Explanation

A glass diamond cutter is used to manually cut glass. This tool is specifically designed with a diamond tip that is able to score the surface of the glass, creating a line that can be easily broken. The diamond tip is able to make precise cuts without shattering or damaging the glass, making it the ideal tool for cutting glass manually. Circular saws, cut off saws, and diamond discs are not typically used for cutting glass manually, as they are more commonly used for cutting other materials such as wood or metal.

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26.

Buildings of wood construction.
- Type I
- Type II
- Type III
- Type IV
- Type V
Correct Answer

A. Type I

Explanation

Type I construction refers to buildings that are made of non-combustible materials such as concrete and steel. These materials have a high resistance to fire and are able to withstand intense heat for a longer period of time. This type of construction is considered the most fire-resistant and provides the highest level of safety for occupants. Therefore, buildings of wood construction would not fall under Type I construction, as wood is a combustible material and does not meet the criteria for this type of construction.

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27.

Dimensions of welded wire fabric in feet
- 4' x 8'
- 3' x 7'
- 2' x 6'
- 1' x 4'
Correct Answer

A. 4' x 8'

Explanation

The given answer, 4' x 8', represents the dimensions of welded wire fabric in feet. This means that the fabric is 4 feet wide and 8 feet long.

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28.

The figure shown is used for
- Cutting
- Welding
- Grinding
- Generating Power
- Transforming Voltage
Correct Answer

A. Welding

Explanation

The figure shown is most likely a welding machine. Welding is a process that involves joining two or more pieces of metal together using heat and pressure. Welding machines provide the necessary heat and power to create a strong bond between the metal pieces. Therefore, the figure shown is used for welding.

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29.

What is VOC?
- Very Organic Compounds
- Volatile Organic Compounds
- Volatile Organ Compounds
- Volatile Organic Composition
- Volatile Organic Chemicals
Correct Answer

A. 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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30.

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.
- Pattern glass
- Glass block
- Stained glass
- Capiz
- Alero
Correct Answer

A. 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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31.

A test used to determine the strength of materials.
- Slump test
- Compression test
- Compaction test
- Durability test
- Boring test
Correct Answer

A. Compression test

Explanation

The compression test is a method used to determine the strength of materials. It involves applying a compressive force to a specimen and measuring the amount of deformation or the maximum load it can withstand before failure. This test is commonly used in construction and engineering to assess the load-bearing capacity of materials such as concrete, metals, and plastics. By subjecting the material to compression, the test helps determine its ability to withstand pressure and provides valuable information for design and structural analysis.

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32.

What admixture is appropriate for a hot weather?
- Retarder
- Accelerator
- Water-reducing
- Air-entraining
Correct Answer

A. Retarder

Explanation

A retarder is an admixture that slows down the setting time of concrete, making it suitable for hot weather conditions. In hot weather, concrete tends to set quickly, which can lead to various issues such as reduced workability and strength. By using a retarder, the setting time is extended, allowing more time for proper placement and finishing of the concrete. This helps to prevent issues such as premature drying and cracking, ensuring that the concrete develops the desired strength and durability.

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33.

Wood used in construction
- Hardwood
- Softwood
- Lumber
- Engineered wood
Correct Answer

A. Lumber

Explanation

Lumber refers to wood that has been processed into beams or planks for construction purposes. It is a broad term that encompasses various types of wood, including both hardwood and softwood. Hardwood comes from deciduous trees and is known for its durability and strength, making it suitable for flooring, furniture, and cabinetry. Softwood, on the other hand, comes from coniferous trees and is less dense, making it easier to work with and commonly used for framing, decking, and siding. Therefore, lumber is the correct answer as it encompasses all types of wood used in construction.

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34.

For the time duration enumerated below (in days), which will be the curing duration for concrete to attain its maximum design strength?
- 14
- 21
- 28
- 7
- 40
Correct Answer

A. 28

Explanation

The curing duration for concrete to attain its maximum design strength is typically 28 days. During this time, the concrete undergoes a process called hydration, where the cement particles react with water to form a strong and durable solid. This curing period allows the concrete to reach its full strength and ensures that it is capable of supporting the intended loads and stresses.

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35.

Wall treatment, mostly painted or with wall panels, measuring usually 0.90 meters vertical distance from the floor finish.
- Siding
- Surround
- Wainscot
- Paneling
- Chair rail
Correct Answer

A. 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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36.

Minimum length of deformed bar in feet
- 20 ft
- 8 ft
- 10 ft
- 12 ft
Correct Answer

A. 20 ft

Explanation

The minimum length of the deformed bar is 20 ft. This means that the bar cannot be shorter than 20 ft in length.

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37.

Which among the glass listed below is not considered as a safety glass
- Pattern glass
- Tempered glass
- Laminated glass
- Wired glass
- 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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38.

What is the material commonly used for drywall construction?
- Gypsum
- CHB
- Plywood
- Fibercement
- HDF
Correct Answer

A. Gypsum

Explanation

Gypsum is the material commonly used for drywall construction. Gypsum is a soft sulfate mineral that is easily mined and processed into a powder form. It is then mixed with water to create a paste, which is spread onto a paper backing and dried to form sheets of drywall. Gypsum is preferred for drywall construction due to its fire-resistant properties, durability, and ease of installation. It is also a cost-effective option compared to other materials like CHB (concrete hollow blocks), plywood, fibercement, or HDF (high-density fiberboard).

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1
39.

7/8 inch is equivalent to
- 7 mm
- 22 mm
- 14 mm
- 3 mm
Correct Answer

A. 22 mm
40.

Commercial dimension of plastic laminates
- 3 x 6 ft
- 2 x 2 ft
- 4 x 8 ft
- 2 x 4 ft
Correct Answer

A. 4 x 8 ft

Explanation

The answer "4 x 8 ft" refers to the dimensions of plastic laminates in a commercial setting. This size is commonly used in commercial applications such as countertops, tabletops, and wall panels. The larger size allows for more coverage and reduces the number of seams required during installation, making it a practical choice for commercial spaces.

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41.

Vernacular term of building projections
- Bolada
- Asotea
- Trabesanyo
- Kostilyahe
Correct Answer

A. Bolada

Explanation

Bolada is the correct answer because it is the vernacular term used to refer to building projections. The other options (Asotea, Trabesanyo, Kostilyahe) do not have any specific meaning related to building projections.

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42.

A layer of broken stones thrown together irregularly on an embankment slope to prevent erosion.
- Cribbing
- Riprap
- Gabion wall
- Bin wall
- Retaining wall
Correct Answer

A. Riprap

Explanation

Riprap refers to a layer of broken stones that are placed haphazardly on an embankment slope. This arrangement of stones serves as a protective measure against erosion. The irregular placement of the stones helps to dissipate the force of water and prevent it from wearing away the embankment. Riprap is commonly used in areas where there is a high risk of erosion, such as along riverbanks or shorelines. It provides stability and durability, making it an effective solution for erosion control.

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1
43.

A system of building construction that is prefabricated then assembled on site.
- Prefab
- Space Frame
- Cast In- Situ
- Tilt-up
- Steel Frame
Correct Answer

A. Prefab

Explanation

Prefab, short for prefabricated, refers to a system of building construction where components are manufactured off-site and then transported to the construction site for assembly. This method allows for faster construction times and cost savings compared to traditional on-site construction. Prefab buildings are typically made up of pre-engineered modules or panels that can be easily assembled on-site. This method is commonly used for residential, commercial, and industrial buildings.

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44.

The equivalent of #5 rebar in millimeter.
- 6 mm
- 8 mm
- 10 mm
- 12 mm
- 16 mm
- 18 mm
- 20 mm
- 22 mm
- 25 mm
- 28 mm
- 30 mm
- 32 mm
- 40 mm
Correct Answer

A. 16 mm

Explanation

The equivalent of #5 rebar in millimeters is 16 mm.

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45.

Identify type of waterproofing based on description below: A powder form waterproofing compound mixed with water and applied by brush to the surface to be waterproofed.
- Integral Type
- Membrane Type
- Fluid Type
- Cementitious Type
- Waterstop
Correct Answer

A. Cementitious Type

Explanation

The correct answer is Cementitious Type. This type of waterproofing involves using a powder form waterproofing compound that is mixed with water to create a paste or slurry. It is then applied to the surface to be waterproofed using a brush. Cementitious waterproofing is commonly used for concrete structures and provides a durable and long-lasting waterproofing solution.

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46.

The equivalent of #4 rebar in millimeter.
- 6 mm
- 8 mm
- 10 mm
- 12 mm
- 16 mm
- 18 mm
- 20 mm
- 22 mm
- 25 mm
- 28 mm
- 30 mm
- 32 mm
- 40 mm
Correct Answer

A. 12 mm

Explanation

The equivalent of #4 rebar in millimeters is 12 mm.

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47.

The most common size of aggregates used for structural members in a concrete construction.
- ½”
- ¾”- 1”
- 1” - 1 ½”
- 1 ½” - 2”
- 2” - 3”
Correct Answer

A. 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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48.

Identify type of waterproofing based on description below: A hot or cold membrane applied to the surface; for example asphalt paper laid with hot asphalt or self sealing asphalt paper.
- Integral Type
- Membrane Type
- Fluid Type
- Cementitious Type
- Waterstop
Correct Answer

A. Membrane Type

Explanation

The correct answer is Membrane Type. This is because the description mentions the application of a membrane, whether it is hot or cold, to the surface. This indicates that the waterproofing method being described involves the use of a membrane.

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1
49.

What is the ratio of Class A Concrete?
- 1:1.5:3
- 1:2:4
- 1:2.5:5
- 1:3:6
- 1:3.5:7
Correct Answer

A. 1:2:4

Explanation

The ratio of Class A Concrete is 1:2:4. This means that for every 1 part of cement, there are 2 parts of sand and 4 parts of aggregate. This ratio is commonly used in construction to achieve the desired strength and durability of concrete.

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Mar 21, 2023

Quiz Edited by
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Jan 11, 2020

Quiz Created by
Luis

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Bt - Mock Exam (Annayazu)

The figure shown is used to hold

Quiz Preview

Honeycomb in concrete can be prevented by

What is the ratio of Class A Concrete?

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

Dimension of MDF in feet

What is the commercial size of a non-loadbearing CHB?

What is the commercial size of plywood?

Number of CMU blocks per square meter area.

Weight of reinforced concrete per cubic meter

A test used to determine the consistency of fresh concrete.

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

Identify the photo shown.

What is used in laying bricks?

A strip of rubber, metal, or other material used to seal edges of a door or window against the cold

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.

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

A bag of Portland cement is equivalent to

What is commonly used to bind masonry units?

Equivalent of 7/8 inch in mm

Testing of concrete consistency

Item B is what type of waterproofing?

Which is/are for glass railings?

What is the actual thickness of a 100 mm CMU in mm?

What is the actual thickness of a 150 mm CMU in mm?

What is used to manually cut glass?

Buildings of wood construction.

Dimensions of welded wire fabric in feet

The figure shown is used for

What is VOC?

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 test used to determine the strength of materials.

What admixture is appropriate for a hot weather?

Wood used in construction

For the time duration enumerated below (in days), which will be the curing duration for concrete to attain its maximum design strength?

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

Minimum length of deformed bar in feet

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

What is the material commonly used for drywall construction?

7/8 inch is equivalent to

Commercial dimension of plastic laminates

Vernacular term of building projections

A layer of broken stones thrown together irregularly on an embankment slope to prevent erosion.

A system of building construction that is prefabricated then assembled on site.

The equivalent of #5 rebar in millimeter.

Identify type of waterproofing based on description below: A powder form waterproofing compound mixed with water and applied by brush to the surface to be waterproofed.

The equivalent of #4 rebar in millimeter.

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

Identify type of waterproofing based on description below: A hot or cold membrane applied to the surface; for example asphalt paper laid with hot asphalt or self sealing asphalt paper.

What is the ratio of Class A Concrete?