1.
Fungsi adukan spesi pada pasangan pekerjaan bangunan diantaranya sebagai berikut, kecuali:
Correct Answer
B. Sebagai ornamen dalam konstruksi
Explanation
The correct answer is "sebagai ornamen dalam konstruksi". The other options provided all explain the functions of spesi adhesive in building construction, such as binding between bricks, smoothing wall surfaces, and eliminating deviations from brick surfaces. However, using spesi adhesive as an ornament in construction does not make sense as it is not typically used for decorative purposes.
2.
Adukan untuk pasangan tembok bata dan plesteran yang sekarang sering dipakai:
Correct Answer
D. 1 Sp : 3 Kp : 10 Ps
Explanation
The correct answer suggests that the appropriate ratio for the mixture of bricks and plaster is 1 part sand to 3 parts cement to 10 parts plaster. This means that for every 1 unit of sand, 3 units of cement, and 10 units of plaster should be used in the mixture. This ratio is commonly used in construction for a strong and durable wall.
3.
Adukan untuk pasangan atau plesteran agar kedap air adalah:
Correct Answer
A. 1 Sp : 2 Ps
Explanation
The correct answer is 1 Sp : 2 Ps. This means that the ratio of Sp (adukan untuk pasangan atau plesteran) to Ps (kedap air) is 1:2. This indicates that for every 1 unit of Sp, there should be 2 units of Ps to ensure a waterproof seal.
4.
Agar pekerjaan galian tanah tidak mengganggu kedudukan bouwplank, maka letaknnya bouwplank terhadap sumbu pondasi supaya diambil:
Correct Answer
A. 1 m – 1,5 m
Explanation
The correct answer is 1 m - 1.5 m because this range ensures that the bouwplank (survey stake) is placed close enough to the foundation axis to accurately measure and mark the position, but also allows for some flexibility in case there are minor adjustments needed during the excavation work. This range strikes a balance between precision and practicality in construction.
5.
Pernyataan berikut adalah sifat-sifat yang perlu diperhatikan untuk membuat adukan, kecuali:
Correct Answer
D. Cepat mengeras
Explanation
The given statement lists various characteristics that need to be considered when making a mixture. However, the characteristic "cepat mengeras" (quick drying) is not necessary to be considered when making a mixture.
6.
Yang termasuk sebagai bahan pengisi pada bahan adukan adalah:
Correct Answer
B. Pasir
Explanation
Pasir termasuk sebagai bahan pengisi pada bahan adukan karena memiliki sifat yang dapat mengisi ruang antara butiran-butiran bahan lainnya seperti semen atau kapur. Pasir juga memiliki kekuatan yang cukup untuk memberikan stabilitas pada adukan dan membantu dalam proses pengerasan material. Dengan demikian, pasir merupakan komponen penting dalam pembuatan adukan yang digunakan dalam konstruksi bangunan.
7.
Syarat-syarat pemasangan tembok ½ bata adalah sebagai berikut , kecuali
Correct Answer
C. Siar lintang bergeser ¼ bata
Explanation
The correct answer is "siar lintang bergeser ¼ bata". This is because the other three conditions mentioned are requirements for the installation of half-brick walls. The first condition states that the flat joints must be aligned, the second condition states that the vertical joints must not be aligned, and the third condition states that the horizontal joints must shift by half a brick. Therefore, the only condition that does not belong is the one stating that the horizontal joints should shift by a quarter of a brick.
8.
Pada pemasangan tembok batu bata ketebalan siar datar, tegak dan lintang adalah:
Correct Answer
B. 0,8 cm – 1,2 cm
Explanation
The correct answer is 0,8 cm - 1,2 cm. This range of thickness is suitable for the installation of a flat, vertical, and horizontal brick wall. It ensures that the wall is sturdy and stable while also allowing for some variation in the thickness of the bricks. This range is commonly used in construction to achieve a balance between strength and flexibility in the wall.
9.
Untuk membentuk siar datar dan tegak agar menjadi padat dan rapi, menggunakan;
Correct Answer
A. Sendok spesi lancip
Explanation
To form flat and vertical joints to be compact and neat, a pointed trowel is used. This type of trowel has a narrow and pointed tip, which allows for precise application and smoothing of the jointing material. It is particularly useful for creating sharp corners and edges in the joints, resulting in a tidy and professional finish.
10.
Dalam pemasangan tembok 1 bata, maka siar lintang bergeser:
Correct Answer
A. ¼ bata
Explanation
The correct answer is ¼ bata. This means that when installing one brick, the horizontal joint shifts by a quarter of a brick's length.
11.
Tebal plesteran tembok yang diijinkan:
Correct Answer
C. 1 cm – 1,5 cm
Explanation
The correct answer is 1 cm - 1.5 cm. This range is the allowed thickness for plastering walls. It ensures that the plaster is thick enough to provide a smooth and even surface, but not too thick that it becomes heavy and prone to cracking. This range also allows for variations in the thickness of the wall itself, accommodating for any imperfections or unevenness.