Masonry And Concrete

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  • 1/10 Questions

    Which factor/s regulates the strenght of concrete?

    • A. correct proportion of the ingredients
    • B. proper method of mixing
    • C. adequate protection of concrete during the process of curing
    • D. all of the above mentioned factors
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About This Quiz

Explore the fundamentals of masonry and concrete in this quiz. Covering materials like concrete hollow blocks and bricks, tools like the plumb bob, and properties of concrete mixtures, this quiz enhances understanding of construction techniques and material properties crucial for civil engineering.

Construction Quizzes & Trivia

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  • 2. 

    it is the masonry material manufactured from clay and other materials.

    • A. stones

    • B. adobe

    • C. bricks

    • D. course rubble's

    Correct Answer
    A. C. bricks
    Explanation
    Bricks are a type of masonry material that is manufactured from clay and other materials. They are commonly used in construction for building walls, pavements, and other structures. Unlike stones, which are naturally occurring, bricks are man-made. Adobe is another type of masonry material, but it is made from a mixture of clay, sand, straw, and water. Course rubble's, on the other hand, are larger pieces of broken stones or concrete. Therefore, the correct answer is C. bricks.

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  • 3. 

    Which of the following should be avoided in placing concrete to its final form?

    • A. segregation of particles

    • B. displacement of form and displacement of reinforcement in the form

    • C. poor bond between successive layers of concrete

    • D. all of the above should be avoided

    Correct Answer
    A. D. all of the above should be avoided
    Explanation
    All of the above options should be avoided when placing concrete to its final form. Segregation of particles can lead to an uneven distribution of aggregates and cement, resulting in a weaker and less durable concrete. Displacement of form and reinforcement can compromise the structural integrity of the concrete, leading to potential failure. Poor bond between successive layers of concrete can result in weak joints and reduced overall strength of the structure. To ensure a high-quality and long-lasting concrete structure, it is important to avoid all of these issues during the placement process.

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  • 4. 

    The most widely used masonry materials for construction works.

    • A. concrete hollow blocks

    • B. bricks

    • C. rubble stones

    • D. ashlar

    Correct Answer
    A. A. concrete hollow blocks
    Explanation
    Concrete hollow blocks are the most widely used masonry materials for construction works because they offer several advantages. They are lightweight, making them easier to handle and transport. They also have good thermal insulation properties, helping to regulate temperature inside buildings. Concrete hollow blocks are durable and resistant to fire, pests, and weathering. They can be easily molded into different shapes and sizes, allowing for versatility in construction projects. Additionally, they have good load-bearing capacity, making them suitable for various structural applications.

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  • 5. 

    What is the tool used to guide the vertical position in laying bricks?

    • A. plumb bob

    • B. water hose

    • C. spirit level

    • D. spring or chord

    Correct Answer
    A. A. plumb bob
    Explanation
    A plumb bob is a tool used to guide the vertical position in laying bricks. It consists of a weight attached to a string or line, which is then suspended from a fixed point. The weight of the plumb bob ensures that the line hangs straight down due to gravity, allowing builders to ensure that the bricks are aligned vertically. This tool is commonly used in construction and masonry work to achieve accurate and level brickwork.

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  • 6. 

    Which of t he following classes of mixture produces a hard or tough concrete?

    • A. class AA

    • B. class A

    • C. class B

    • D. class C

    Correct Answer
    A. A. class AA
    Explanation
    Class AA mixture produces a hard or tough concrete.

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  • 7. 

    Gravel tends to settle, lighter materials and water tend to rise inside a container when delayed in the delivery to the form. what do you call this tendency?

    • A. displacement proportion of the ingredients

    • B. segregation of particles

    • C. consistency

    • D. mobility of paticles

    Correct Answer
    A. B. segregation of particles
    Explanation
    This tendency is called segregation of particles. When gravel settles and lighter materials and water rise inside a container, it indicates that the particles are separating or segregating based on their size, density, or other properties. This can happen during the delivery process, causing the different components to become unevenly distributed within the container.

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  • 8. 

    A good concrete can be produced also by hand mixing. which of the following is a good concrete mix proportion for hand mixing?

    • A. 1/2 kg of water + 1 kg of cement + 2 kg sand + 2.5 to 3 kg of gravel

    • B. 2 kg of water + 1 kg of cement + 2 kg sand + 2.5 to 3 kg of gravel

    • C. 1/2 kg of water + 2 kg of cement + 2 kg sand + 2.5 to 3 kg of gravel

    • D. 1/2 kg of water + 2 kg of cement + 3 kg sand + 2.5 to 3 kg of gravel

    Correct Answer
    A. A. 1/2 kg of water + 1 kg of cement + 2 kg sand + 2.5 to 3 kg of gravel
    Explanation
    The correct answer is A because it provides a proportionate mix of water, cement, sand, and gravel. This mix ensures that the concrete will have the right consistency and strength for hand mixing. The ratio of water to cement is 1:2, which is commonly used in concrete mixing. The sand and gravel quantities are also appropriate, providing a good balance of aggregate for strength and stability.

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  • 9. 

    Concrete is said to be workable if it can be molded or deformed without segregation. this characteristics is known as___.

    • A. consistency

    • B. plasticity

    • C. mobility

    • D. workability

    Correct Answer
    A. B. plasticity
    Explanation
    Plasticity refers to the ability of concrete to be molded or deformed without segregation. It is a measure of how easily the concrete can be shaped and manipulated. A concrete mix with high plasticity is easier to work with and can be molded into different forms without losing its homogeneity. Therefore, plasticity is the correct term to describe the given characteristic of concrete.

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  • 10. 

    Which of the following is NOT a requirement to consider in proportioning concrete mixture?

    • A. economy

    • B. workability

    • C. strength

    • D. flexibility

    Correct Answer
    A. D. flexibility
    Explanation
    Flexibility is not a requirement to consider in proportioning concrete mixture. When proportioning a concrete mixture, factors such as economy, workability, and strength are important to consider. Economy ensures that the mixture is cost-effective, workability determines how easily the mixture can be placed and compacted, and strength ensures that the concrete can withstand the intended load and stress. However, flexibility is not a requirement as it is not directly related to the proportioning of the concrete mixture.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 30, 2011
    Quiz Created by
    Evoh_00
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