Minimum Bars, Minimum Cover And Other Pamatay Na Numbers!

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Minimum Bars, Minimum Cover And Other Pamatay Na Numbers! - Quiz


Questions and Answers
  • 1. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast against and permanently exposed to earth is______ mm

    Explanation
    The minimum cover required for cast-in-place concrete that is cast against and permanently exposed to earth is 75mm. This means that there should be a minimum distance of 75mm between the surface of the concrete and the earth. This cover is necessary to protect the concrete from moisture, chemicals, and other potential damages caused by the earth.

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  • 2. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is exposed to earth or weather for 20 mm through 36mm diameter bar is _____ mm

    Explanation
    The minimum cover required for cast-in-place concrete (non prestressed) when exposed to earth or weather for 20 mm through 36 mm diameter bars is 50 mm.

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  • 3. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is exposed to earth or weather for 16 mm diameter bar and smaller is _____ mm

    Explanation
    The minimum cover required for cast-in-place concrete (non prestressed) when exposed to earth or weather for 16 mm diameter bar and smaller is 40 mm.

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  • 4. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is not exposed to weather or in contact with ground for slabs, wall, and joists , 45 to 60 mm diameter bars

    Explanation
    The minimum cover required for cast-in-place concrete (non-prestressed) is 40mm. This cover is necessary when the concrete is not exposed to weather or in contact with the ground for slabs, walls, and joists. The cover helps to protect the reinforcing bars from corrosion and provides fire resistance. The answer options provided all indicate the same value of 40mm.

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  • 5. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is not exposed to weather or in contact with ground for slabs, wall, and joists , 30mm diameter bars

    Explanation
    The correct answer is 20mm. This is the minimum cover required for cast in place concrete (non prestressed) when it is not exposed to weather or in contact with the ground for slabs, walls, and joists. The cover refers to the distance between the outer surface of the concrete and the nearest surface of the reinforcement bars. In this case, the minimum cover required is 20mm, regardless of how it is expressed (as 20mm, 20, or 20 mm).

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  • 6. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is not exposed to weather or in contact with ground for beams & columns, for primarily reinforcement, ties, stirrups, spirals is

    Explanation
    The minimum cover cast in place concrete (non prestressed) is 40mm. This means that a layer of concrete with a minimum thickness of 40mm should be applied to beams and columns for primarily reinforcement, ties, stirrups, and spirals. The answer options provided all indicate the same value of 40mm, just written in different formats.

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  • 7. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is not exposed to weather or in contact with ground for shells, folded plate members, 20mm diameter bar and smaller 

    Explanation
    The minimum cover for cast-in-place concrete (non prestressed) is 20mm. This means that there should be a minimum distance of 20mm between the surface of the concrete and any external elements such as shells, folded plate members, or 20mm diameter bars and smaller. This cover is necessary to protect the reinforcement bars from corrosion and ensure the structural integrity of the concrete.

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  • 8. 

    The minimum cover cast in place concrete (non prestressed) if the concrete cast  is not exposed to weather or in contact with ground for shells, folded plate members, 16mm diameter bar and smaller

    Explanation
    The minimum cover required for cast-in-place concrete (non prestressed) is 12mm. This means that there should be a minimum distance of 12mm between the surface of the concrete and any external element such as shells, folded plate members, or 16mm diameter bars and smaller. This cover is necessary to protect the reinforcement from corrosion and provide adequate fire resistance.

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  • 9. 

    For minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for wall panels, 45mm to 60mm diameter bars

    Explanation
    The correct answer is 40mm. The minimum concrete cover for precast concrete wall panels that are exposed to earth or weather and have 45mm to 60mm diameter bars is 40mm.

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  • 10. 

    For minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for wall panels, 36mm diameter bars and smaller

    Explanation
    The minimum concrete cover for precast concrete wall panels, when the concrete is exposed to earth or weather and 36mm diameter bars and smaller are used, is 20mm. This means that there should be a minimum distance of 20mm between the surface of the concrete and the reinforcement bars. This cover is necessary to protect the reinforcement from corrosion and ensure the structural integrity of the wall panels.

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  • 11. 

    For minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for other members, 45mm to 60mm diameter bars-

    Explanation
    The correct answer is 50mm. The question is asking for the minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for other members. The answer is 50mm, which means that the concrete should have a minimum cover of 50mm in order to protect it from the effects of the environment.

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  • 12. 

    For minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for other members, 20mm through 36 mm diameter bars

    Explanation
    The correct answer is 40, 40mm, 40 mm. This suggests that the minimum concrete cover for precast concrete when exposed to earth or weather for other members with 20mm through 36 mm diameter bars is 40mm. The repeated answer of 40 mm reinforces this conclusion.

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  • 13. 

    For minimum concrete cover for precast concrete if the concrete is exposed to earth or weather for other members,16 mm diameter bars and smaller

    Explanation
    The minimum concrete cover for precast concrete when exposed to earth or weather for bars with a diameter of 16 mm or smaller is 30 mm. This means that there needs to be a layer of concrete measuring at least 30 mm between the surface of the bar and the surrounding environment. This cover helps protect the reinforcement from corrosion and provides sufficient strength and durability to the structure.

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  • 14. 

    For minimum concrete cover for precast concrete if the concrete is not exposed to earth or contact with ground  for slabs, walls, joist ,45 mm and 60 mm diameter bars 

    Explanation
    The minimum concrete cover for precast concrete is 30mm. This means that there should be at least 30mm of concrete between the surface of the precast element and any other material, such as reinforcement bars or the environment. This requirement applies to slabs, walls, joists, and bars with diameters of 45mm and 60mm. The repetition of "30mm" and "30" in the answer options reinforces the correct answer.

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  • 15. 

    For minimum concrete cover for precast concrete if the concrete is not exposed to earth or contact with ground  for slabs, walls, joist ,36 mm and smaller

    Explanation
    The minimum concrete cover required for precast concrete in slabs, walls, joists, and elements smaller than 36 mm, when not exposed to earth or in contact with the ground, is 15mm. This means that there should be a layer of concrete at least 15mm thick covering the reinforcement in these elements to provide adequate protection against corrosion and fire.

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