Cc 203 Concrete Technology : Test 1

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Cc 203 Concrete Technology : Test 1 - Quiz

PLEASE ANSWER ALL QUESTIONS GIVEN. SILA JAWAB SEMUA SOALAN YANG DIBERIKAN.


Questions and Answers
  • 1. 

    Konkrit boleh didefinisikan sebagai :

    • A.

      Bahan yang dihasilkan apabila simen, batu baur halus, batu baur kasar, dan air digaul / dicampur mengikut nisbah tertentu dan dibiarkan mengeras untuk membentuk anggota struktur tertentu.

    • B.

      Bahan yang dihasilkan apabila simen, batu baur halus, batu baur kasar, dan air digaul / dicampur mengikut nisbah 1:2:4 dan dibiarkan mengeras untuk membentuk anggota struktur tertentu.

    • C.

      Bahan yang digunakan untuk membina sesebuah rumah atau bangunan dengan menggunaan simen, batu dan air sebagai bahan asas.

    • D.

      Bahan yang dihasilkan apabila simen, batu baur halus, batu baur kasar, dan air digaul dan dibiarkan mengeras untuk membentuk anggota struktur tertentu.

    Correct Answer
    A. Bahan yang dihasilkan apabila simen, batu baur halus, batu baur kasar, dan air digaul / dicampur mengikut nisbah tertentu dan dibiarkan mengeras untuk membentuk anggota struktur tertentu.
    Explanation
    The given answer accurately defines concrete as a material that is produced by mixing cement, fine aggregate, coarse aggregate, and water in specific proportions and allowing it to harden to form structural elements.

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  • 2. 

    Berikut merupakan nisbah bancuhan asas yang BENAR kecuali :

    • A.

      1 : 2 : 4

    • B.

      1 : 3 : 6

    • C.

      1 : 3 : 4

    • D.

      1 : 5 : 10

    Correct Answer
    C. 1 : 3 : 4
    Explanation
    The correct answer is 1 : 3 : 4. This is because the ratio 1 : 3 : 4 is not a basic mixture ratio. In a basic mixture ratio, the numbers should be in their simplest form, meaning that there should be no common factors between them. In this case, the numbers 1, 3, and 4 have a common factor of 1, which means that the ratio can be simplified further. Therefore, it is not a correct basic mixture ratio.

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  • 3. 

    Nisbah bancuhan 1:5:10 merupakan salah satu bancuhan asas konkrit. Apakah kegunaannya?

    • A.

      Lantai konkrit, jasad dan lain-lain lagi.

    • B.

      Tapak tembok dalam peparit bagi kerja tanah keras.

    • C.

      Konkrit bertetulang bagi tiang, rasuk dan lain-lain lagi.

    • D.

      Konkrit tegas dulu, tangki dan lain-lain.

    Correct Answer
    B. Tapak tembok dalam peparit bagi kerja tanah keras.
    Explanation
    The correct answer is "Tapak tembok dalam peparit bagi kerja tanah keras." This means that the 1:5:10 concrete mix ratio is used for creating a strong foundation for walls in excavated trenches. The mixture is specifically designed to withstand the pressure and load from the surrounding soil, providing stability and support for the walls.

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  • 4. 

    Yang manakah BENAR tentang proses penghasilan konkrit.

    • A.

      Air dicampur dengan simen menghasilkan tindakbalas kimia hidratan, ianya menjadi pasta simen dan seterusnya dicampurkan dengan pasir, maka terhasillah konkrit.

    • B.

      Air dicampur dengan simen menghasilkan tindakbalas kimia, ianya menjadi pasta simen dan seterusnya dicampurkan dengan batu baur, maka terhasillah konkrit.

    • C.

      Air dicampur dengan batu baur kasar menghasilkan tindakbalas kimia hidratan, ianya menjadi pasta simen dan seterusnya dicampurkan dengan batu baur, maka terhasillah konkrit.

    • D.

      Air dicampur dengan simen menghasilkan tindakbalas kimia hidratan, ianya menjadi pasta simen dan seterusnya dicampurkan dengan batu baur, maka terhasillah konkrit.

    Correct Answer
    D. Air dicampur dengan simen menghasilkan tindakbalas kimia hidratan, ianya menjadi pasta simen dan seterusnya dicampurkan dengan batu baur, maka terhasillah konkrit.
    Explanation
    The correct answer is "Air dicampur dengan simen menghasilkan tindakbalas kimia hidratan, ianya menjadi pasta simen dan seterusnya dicampurkan dengan batu baur, maka terhasillah konkrit." This answer correctly describes the process of making concrete by mixing water with cement to form a chemical reaction that produces a cement paste, which is then mixed with aggregate (in this case, batu baur) to create concrete.

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  • 5. 

    Berikut merupakan faktor penyumbang kepada kualiti konkrit KECUALI :

    • A.

      Kualiti bahan.

    • B.

      Bilangan pekerja.

    • C.

      Nisbah bancuhan.

    • D.

      Pengawetan yang dilakukan.

    Correct Answer
    B. Bilangan pekerja.
    Explanation
    The number of workers is not a contributing factor to the quality of concrete. Quality of materials, mixing ratio, and curing are all important factors that can affect the quality of concrete. However, the number of workers involved in the process does not directly impact the quality of the concrete produced.

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  • 6. 

    Berikut merupakan sifat-sifat konkrit KECUALI :

    • A.

      Konkrit mengeras dengan kehadiran air.

    • B.

      Boleh dibentuk mengikut acuan yang digunakan.

    • C.

      Tidak berkarat atau reput.

    • D.

      Tidak tahan panas dan tidak terbakar

    Correct Answer
    D. Tidak tahan panas dan tidak terbakar
    Explanation
    Concrete is known for its ability to harden with the presence of water and can be molded according to the desired shape. It is also resistant to rust and corrosion. However, concrete is not known for its heat resistance and flammability. Therefore, the correct answer is "Tidak tahan panas dan tidak terbakar" (Not heat resistant and not flammable).

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  • 7. 

    Berikut BENAR tentang syarat penyediaan konkrit yang baik kecuali :

    • A.

      Batu baur mestilah keras, dan tahan lama.

    • B.

      Kandungan simen mestilah mencukupi.

    • C.

      Air mestilah bersih dan tidak mengandungi sebarang kotoran atau garam.

    • D.

      Batu baur halus (pasir) mestilah diperolehi dari sungai sahaja.

    Correct Answer
    D. Batu baur halus (pasir) mestilah diperolehi dari sungai sahaja.
    Explanation
    The correct answer is "Batu baur halus (pasir) mestilah diperolehi dari sungai sahaja." This statement is incorrect because fine aggregate (sand) can be obtained from various sources, not just from rivers. It can also be obtained from quarries or crushed rock.

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  • 8. 

    Berikut merupakan kelebihan konkrit berbanding bahan lain KECUALI :

    • A.

      Ringan

    • B.

      Kukuh

    • C.

      Kos yang murah

    • D.

      Mudah didapati

    Correct Answer
    A. Ringan
    Explanation
    Kelebihan konkrit adalah kukuh, kos yang murah, dan mudah didapati. Namun, konkrit tidak ringan seperti bahan-bahan lainnya.

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  • 9. 

    Berikut merupakan contoh-contoh struktur (konkrit) KECUALI :

    • A.

      Tiang

    • B.

      Rasuk

    • C.

      Papak lantai

    • D.

      Simen fero

    Correct Answer
    D. Simen fero
    Explanation
    The given examples are all structures or objects made of concrete, except for "Simen fero" which is not a concrete structure.

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  • 10. 

    "konkrit berupaya menanggung beban yang besar, mempunyai daya rintangan lelasa, daya rintangan asid akan menghalang dari serangan kerosakan yang lain".  Pernyataan tersebut adalah benar dalam kontek apa?

    • A.

      Perkembangan teknologi konkrit.

    • B.

      Sejarah perkembangan konkrit.

    • C.

      Konkrit dan kelebihannya di dunia.

    • D.

      Perkembangan simen dan struktur konkrit.

    Correct Answer
    A. Perkembangan teknologi konkrit.
    Explanation
    The statement is true in the context of the development of concrete technology. It states that concrete is capable of bearing heavy loads and has excellent resistance to damage caused by acid attacks. This suggests that advancements in concrete technology have allowed for the creation of stronger and more durable concrete structures, making it a suitable answer in the context of the statement.

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  • 11. 

    Apakah penjelasan bagi konkrit tetulang?

    • A.

      Penggunaan bar keluli yang ditempatkan dalam pembinaan struktur konkrit dapat menambahkan lagi keupayaan tanggung beban konkrit.

    • B.

      Teknik yang popular dan sering dimajukan terutamanya untuk rentang yang luas.

    • C.

      Untuk mengurangkan beban mati sesuatu bangunan, sifat penebatan yang baik bagi pembinaan dinding penebat.

    • D.

      Semua di atas.

    Correct Answer
    A. Penggunaan bar keluli yang ditempatkan dalam pembinaan struktur konkrit dapat menambahkan lagi keupayaan tanggung beban konkrit.
    Explanation
    The use of steel bars placed in the construction of concrete structures can increase the load-bearing capacity of the concrete. This technique is popular and often advanced, especially for wide spans. To reduce the dead load of a building, good insulation properties are needed for the construction of insulation walls. Therefore, all of the above statements are correct.

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  • 12. 

    Apakah definisi simen ?

    • A.

      Campuran batu baur kasar, halus dan air untuk dibentuk menjadi anggota struktur tertentu.

    • B.

      Bahan yang dihasilkan dengan membakar campuran batu baur kapur dan tanah liat serta mempunyai sifat kohesif dan adhesive.

    • C.

      Bahan yang dihasilkan dengan membakar campuran batu baur kapur dan tanah liat serta mempunyai sifat lekatan dan lekitan.

    • D.

      Bahan yang dihasilkan dengan membakar campuran batu baur kasar dan tanah liat serta mempunyai sifat lekatan dan lekitan.

    Correct Answer
    C. Bahan yang dihasilkan dengan membakar campuran batu baur kapur dan tanah liat serta mempunyai sifat lekatan dan lekitan.
    Explanation
    The correct answer states that cement is a material produced by burning a mixture of limestone and clay, and it has cohesive and adhesive properties. This explanation accurately describes the definition of cement and how it is made, emphasizing its ability to stick and bind materials together.

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  • 13. 

    Berikut merupakan jenis-jenis simen KECUALI :

    • A.

      Simen portland haba

    • B.

      Simen portland biasa

    • C.

      Simen portland cepat mengeras

    • D.

      Simen portland relau bagas

    Correct Answer
    A. Simen portland haba
    Explanation
    The given list mentions different types of Portland cement, but the one that is not included is "Simen portland haba" which translates to "heat Portland cement". This type of cement is specifically designed to generate less heat during the hydration process, making it suitable for large concrete structures that are prone to cracking due to high temperature.

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  • 14. 

    Dua contoh kaedah penyimpanan simen yang betul :

    • A.

      Stor dan iglu.

    • B.

      Silo dan mixer truck.

    • C.

      Stor dan silo.

    • D.

      Stor dan kilang simen.

    Correct Answer
    C. Stor dan silo.
    Explanation
    The correct answer is "Stor dan silo." This is because both stor (storage) and silo are methods of storing cement. Stor refers to a general storage facility, while silo specifically refers to a tall cylindrical structure used for storing bulk materials such as cement. Therefore, both stor and silo are correct methods of cement storage.

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  • 15. 

    4 proses utama pengilangan simen yang betul KECUALI :

    • A.

      Menghancurkan bahan-bahan mentah supaya 95% akan lulus ayak no. 100.

    • B.

      Menggaul bahan-bahan mentah mengikut kadar campuran yang sesuai.

    • C.

      Memanaskan campuran menjadi panduan awal berupa batu kerikil.

    • D.

      Menyimpan simen di tempat yang sepatutnya.

    Correct Answer
    D. Menyimpan simen di tempat yang sepatutnya.
    Explanation
    The correct answer is "Menyimpan simen di tempat yang sepatutnya." This is because storing cement in the appropriate place is not one of the main processes in cement manufacturing. The main processes include crushing raw materials to pass through a sieve number 100, mixing raw materials according to the appropriate mixture ratio, and heating the mixture to form initial guidance in the form of gravel.

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  • 16. 

    Dua proses penghasilan simen yang betul :

    • A.

      Proses basah dan hidratan kimia.

    • B.

      Proses Hidratan dan kering.

    • C.

      Proses basah dan kelodak simen.

    • D.

      Proses basah dan kering.

    Correct Answer
    D. Proses basah dan kering.
    Explanation
    The correct answer is "Proses basah dan kering." This is because the production of cement involves two main processes: wet process and dry process. In the wet process, raw materials are mixed with water to form a slurry, which is then dried and heated to produce cement clinker. In the dry process, raw materials are ground and mixed to form a fine powder, which is then heated to produce cement clinker. Both processes are commonly used in cement production, making the answer "Proses basah dan kering" the correct choice.

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  • 17. 

    Berikut merupakan jenis-jenis ujian batu baur kasar KECUALI :

    • A.

      Ujian hentaman.

    • B.

      Ujian Vebe Consistemeter.

    • C.

      Ujian Kehancuran dan nilai pecah.

    • D.

      Ujian pemeringkatan batu baur

    Correct Answer
    B. Ujian Vebe Consistemeter.
    Explanation
    The correct answer is "Ujian Vebe Consistemeter." This is because the question asks for the exception among the given types of coarse aggregate tests. The other three options, namely Ujian hentaman, Ujian Kehancuran dan nilai pecah, and Ujian pemeringkatan batu baur, are all types of tests for coarse aggregates, while Ujian Vebe Consistemeter is not related to coarse aggregates.

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  • 18. 

    Dua (2) jenis ujian batu baur halus :

    • A.

      Ujian kelodak dan hentaman.

    • B.

      Ujian tapak tangan dan hentaman.

    • C.

      Ujian hentaman dan kelodak.

    • D.

      Ujian kelodak dan tapak tangan.

    Correct Answer
    D. Ujian kelodak dan tapak tangan.
    Explanation
    The correct answer is "Ujian kelodak dan tapak tangan." This is because the question states that there are two types of fine aggregate tests, and the options provided are combinations of "kelodak" and "tapak tangan" with "hentaman." The correct combination is "kelodak" and "tapak tangan," as mentioned in the question.

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  • 19. 

    Sifat-sifat berikut benar tentang batu baur KECUALI :

    • A.

      Kekuatan batu baur dan ikatannya.

    • B.

      Saiz zarah dan agihannya

    • C.

      Luas permukaan yang besar.

    • D.

      Kekerasan mestilah melebihi kekerasan simen.

    Correct Answer
    C. Luas permukaan yang besar.
    Explanation
    The correct answer is "Luas permukaan yang besar." This is because the other three options are characteristics that are true about aggregate stones. They include the strength of the stone and its bonding, the size of the particles and their distribution, and the requirement for the hardness to be greater than that of cement. However, having a large surface area is not a characteristic of aggregate stones.

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  • 20. 

    Peranan air yang BENAR dalam penghasilan konkrit :

    • A.

      Air menyebarkan simen supaya setiap butir batu diliputi dengan rapat.

    • B.

      Air dapat memberi likatan yang baik kepada konkrit.

    • C.

      Air mampu menyebabkan batu baur melekat.

    • D.

      Air laut sesuai untuk membancuh konkrit yang menggunakan simen portland haba rendah.

    Correct Answer
    A. Air menyebarkan simen supaya setiap butir batu diliputi dengan rapat.
    Explanation
    The correct answer is "Air menyebarkan simen supaya setiap butir batu diliputi dengan rapat." This is because water helps to distribute the cement evenly, ensuring that every stone particle is fully covered. This is important for the strength and durability of the concrete mixture.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
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