# Tryout Ujian Teori Kejuruan Teknik Gambar Bangunan

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Ujian Teori Kejuruan Teknik Gambar Bangunan Menyiapkan siswa kelas XII TGB untuk menghadapi ujian sesungguhnya. Petunjuk :Tuliskan Nama dan Asal Sekolah Jawablah soal dengan tepat selamat berlatih dan terimakasih atas kunjungannya. Sukses.....

• 1.

### Gambar denah sebenarnya adalah gambar potongan suatu bangunan dalam bidangdatar dengan ketinggian antara ...........  di atas lantai normal (lantai yangmempunyai ketinggian dari titik duga ±0.00).

• A.

±80-100 cm

• B.

±50-75 cm

• C.

±25-50 cm

• D.

±10-25 cm

• E.

±0-10 cm

A. ±80-100 cm
Explanation
The correct answer is ±80-100 cm because a denah or floor plan is a two-dimensional representation of a building, showing the layout and arrangement of rooms, walls, and other structural elements. The height range of ±80-100 cm above the normal floor level represents the height of various elements such as countertops, tables, and other elevated surfaces within the building.

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• 2.

### Gambar bangunan yangdiproyeksikan pada bidang vertikal dan posisinya diambil pada tempat-tempattertentu, terutama adalah duga lantai yang negatip (turun), disebut ...

• A.

Gambar denah

• B.

Gambar potongan

• C.

Gambar tampak

• D.

Gambar detail

• E.

Gambar sketsa

B. Gambar potongan
Explanation
The correct answer is "Gambar potongan" because it refers to a drawing that shows a vertical projection of a building and its position is taken at specific locations, especially negative floors (downward). A "gambar potongan" is commonly used in architectural and engineering drawings to illustrate the internal structure and layout of a building.

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• 3.

### Dalam menggambar menggunakan pensil. Standard kekerasan pensil kategori paling lunak adalah ...

• A.

2B

• B.

3B

• C.

4B

• D.

5B

• E.

6B

E. 6B
Explanation
The correct answer is 6B. In drawing with a pencil, the hardness of the pencil is categorized from softest to hardest. The higher the number in the category, the softer the pencil. Therefore, 6B is the softest pencil in the given options.

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• 4.

### Dalam menggambar menggunakan pensil. Standard kekerasan pensil kategori paling keras adalah ...

• A.

4H

• B.

5H

• C.

6H

• D.

7H

• E.

8H

E. 8H
Explanation
The correct answer is 8H. In drawing with a pencil, the hardness of the pencil is indicated by the letter "H". The higher the number, the harder the pencil. Therefore, an 8H pencil is the hardest pencil in the category.

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• 5.

### Pada saat menggunakan pensil arah kemiringannya adalah ...

• A.

30°

• B.

45°

• C.

80°

• D.

90°

• E.

125°

C. 80°
Explanation
The correct answer is 80°. This is because when using a pencil, the angle of inclination or tilt is usually around 80°. This angle allows for a comfortable grip and control while writing or drawing. A steeper angle may cause the pencil to dig into the paper, while a shallower angle may result in less control. Therefore, 80° is the most suitable angle for using a pencil.

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• 6.

### Yang termasuk besaran pokok adalah ...

• A.

Luas

• B.

Panjang

• C.

Volume

• D.

Berat

• E.

Kecepatan

B. Panjang
Explanation
Besaran pokok adalah besaran dasar yang tidak dapat dinyatakan dalam kombinasi atau perbandingan dengan besaran lainnya. Dalam pilihan yang diberikan, luas, volume, berat, dan kecepatan semuanya dapat dinyatakan sebagai kombinasi atau perbandingan dari besaran panjang. Oleh karena itu, panjang adalah besaran pokok yang tidak tergantung pada besaran lainnya.

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• 7.

### Nama satuan gaya adalah....

• A.

Joule

• B.

Watt

• C.

Pascal

• D.

Volt

• E.

Newton

E. Newton
Explanation
The correct answer is Newton because Newton is the unit of force in the International System of Units (SI). It is named after Sir Isaac Newton, who made significant contributions to the field of physics. The unit Newton is used to measure the amount of force required to accelerate a one-kilogram mass at a rate of one meter per second squared. It is commonly used in various fields such as mechanics, engineering, and physics.

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• 8.

### Penggunaan alat gambar rapido, dipakai untuk menggambar garis-garis konstruksi pada ...

• A.

Kertas duplikator

• B.

Karton manila

• C.

Kertas minyak

• D.

Kertas kalkir

• E.

Kertas HVS

D. Kertas kalkir
Explanation
The correct answer is "Kertas kalkir." Kertas kalkir is commonly used for tracing or copying images or drawings. It is a transparent or semi-transparent paper that allows the user to see through it and trace the lines onto another surface. In this case, the alat gambar rapido, or rapidograph tool, is used to draw construction lines, and kertas kalkir is the most suitable option for this purpose.

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• 9.

### Dalam menggambar teknik jika menggunakan rapido 0,5 berapa ukuran sablon yang dipakai ?

• A.

0.2 mm

• B.

0.3 mm

• C.

0.4 mm

• D.

0.5 mm

• E.

0.6 mm

D. 0.5 mm
Explanation
The correct answer is 0.5 mm because the question states that when using a rapido 0.5, what size of screen is used. Therefore, the size of the screen used would be 0.5 mm.

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• 10.

### Proyeksi aksonometrik dibedakan menjadi 2 bagian ...

• A.

Ortografik dan perspektif

• B.

Oblique dan proyeksi majemuk

• C.

Perspektif dan aksonometrik

• D.

Dimetri dan aksonometrik

• E.

Isometrik dan dimetrik

E. Isometrik dan dimetrik
Explanation
The correct answer is "Isometrik dan dimetrik". Isometrik dan dimetrik are two types of axonometric projections. Isometric projection is a form of axonometric projection where all three axes are equally foreshortened, resulting in a distorted but proportionally accurate representation of an object. Dimetric projection, on the other hand, is a form of axonometric projection where only two of the three axes are equally foreshortened. This allows for a more natural representation of an object with a combination of different scales along the axes.

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• 11.

### Hubungan ambang dengan tiang kusen mempergunakan ...

• A.

Pasak dari kayu

• B.

Pen dan purus

• C.

Sponing

• D.

Pen dan lubang

• E.

Paku

D. Pen dan lubang
Explanation
The correct answer is "Pen dan lubang". This is because "Pen dan lubang" refers to the use of a pen (a type of nail) and a hole to connect the threshold with the door frame. This method is commonly used in carpentry to ensure a strong and secure connection between the two components. Using pasak dari kayu (wooden pegs), pen dan purus (nails and screws), sponing (dovetail joint), or paku (nails) alone may not provide the same level of stability and durability as using a pen and hole.

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• 12.

### Besarnya sudut kemiringan atap ditentukan berdasarkan ...

• A.

Bahan penutup atap

• B.

Lebar bentang suatu bangunan

• C.

Konstruksi bahan yang digunakan

• D.

Tinggi dari tiang kuda-kuda

• E.

Panjang jurai

A. Bahan penutup atap
Explanation
The angle of roof slope is determined by the material used to cover the roof. Different materials may require different angles to ensure proper drainage and prevent water leakage.

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• 13.

### Penutup atap dipikul oleh konstruksi kuda-kuda. dalam penggambaran denah rencana atap susunan kayu adalah ...

• A.

Balok tembok, gording, usuk dan reng

• B.

Papan bubungan, usuk, gording dan balok tembok

• C.

Reng, papan bubungan, usuk dan gording

• D.

Reng, usuk, gording, dan kaki kuda-kuda

• E.

Genting, reng, usuk dan balok tembok

D. Reng, usuk, gording, dan kaki kuda-kuda
Explanation
The correct answer is "Reng, usuk, gording, dan kaki kuda-kuda." In the context of roof construction, the "reng" refers to the rafters, which are the main structural elements that support the roof. The "usuk" refers to the purlins, which are horizontal beams that support the rafters. The "gording" refers to the beams that run perpendicular to the rafters and provide additional support. Lastly, the "kaki kuda-kuda" refers to the truss feet, which are the components that connect the rafters to the walls or columns. Therefore, this combination of elements represents the correct arrangement of a wooden roof structure.

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• 14.

### Ukuran kertas gambar A2 adalah ...

• A.

210 x 297 mm

• B.

297 x 420 mm

• C.

420 x 594 mm

• D.

594 x 841 mm

• E.

841 x 11897 mm

C. 420 x 594 mm
Explanation
The correct answer is 420 x 594 mm. This is because the A2 paper size is commonly used for architectural drawings and posters. It has a width of 420 mm and a height of 594 mm, making it larger than A3 and smaller than A1 paper sizes.

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• 15.

### Pemasangan keramik pada bidang vertikal dimulai dari ...

• A.

Atas ke bawah

• B.

Kiri ke kanan

• C.

Kana ke kiri

• D.

Tengah-tengah ke atas

• E.

Bawah ke atas

E. Bawah ke atas
Explanation
The correct answer is "Bawah ke atas" which means "from bottom to top" in English. This means that the installation of the ceramic on the vertical surface should start from the bottom and move upwards. This is a common practice in order to ensure proper alignment and prevent any damage or displacement of the tiles. Starting from the bottom also allows for any excess adhesive or grout to be pushed upwards and out of the way.

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• 16.

### Menentukan lebar tangga harus dipertimbangkan berdasarkan ...

• A.

Fungsi tangga

• B.

Tinggi langit-langit

• C.

Ruang gerak orang

• D.

Model tanggal

• E.

Tinggi bordes

A. Fungsi tangga
Explanation
The width of a staircase should be determined based on its function. Different functions may require different widths to accommodate the intended use of the staircase. For example, a staircase in a residential home may have a narrower width compared to a staircase in a commercial building or a public space where there is a higher volume of foot traffic. Therefore, considering the function of the staircase is crucial in determining its width.

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• 17.

### Dalam gambar denah tangga, perletakkan railling tangga digambar dengan ...

• A.

Garis putus-putus

• B.

Garis lurus tebal

• C.

Garis lurus dobel

• D.

Garis titik strip

• E.

Garis lurus tebal dobel

C. Garis lurus dobel
Explanation
The correct answer is "Garis lurus dobel" because in the context of a staircase railing, a "Garis lurus dobel" refers to a double straight line. This indicates that the railing should be drawn with two parallel straight lines to represent its placement on the staircase.

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• 18.

### Beban yang diterima tiang kuda-kuda adalah ...

• A.

1/3 berat atap

• B.

1/3 berat kuda-kuda

• C.

1/5 berat atap

• D.

1/5 berat kuda-kuda

• E.

Nol

E. Nol
Explanation
The load received by the horse's leg is zero because the question is asking about the load received by the horse's leg, not the load received by the columns.

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• 19.

### Selisih diameter batang paku keling dengan lobangnya adalah ...

• A.

1.5 mm

• B.

1.0 mm

• C.

0.8 mm

• D.

0.6 mm

• E.

0.5 mm

E. 0.5 mm
Explanation
The correct answer is 0.5 mm because the question is asking for the difference between the diameter of the nail and the hole. The difference is typically measured by subtracting the diameter of the hole from the diameter of the nail. Therefore, the correct answer is the option that represents a difference of 0.5 mm.

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• 20.

### Alat penyambung yang bisa dipakai pada sambungan konstruksi tangga baja adalah...

• A.

Paku dan lem

• B.

Lem dan baut

• C.

Baut dan las

• D.

Pasak dan paku

• E.

Las dan Paku

C. Baut dan las
Explanation
The correct answer is "Baut dan las." Baut dan las (bolts and welding) are the appropriate tools for connecting steel staircase constructions. Bolts provide a secure mechanical connection, while welding ensures a strong and permanent bond between the steel components. Both methods are commonly used in steel construction to ensure the stability and durability of the structure.

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• 21.

### Balok tarik kuda-kuda menggunakan sambungan ....

• A.

Bibir lurus berkait

• B.

Bibir miring berkait

• C.

Bibir mulut ikan

• D.

Bibir miring lurus

• E.

Lidah lurus mulut ikan

B. Bibir miring berkait
Explanation
The correct answer is "Bibir miring berkait." This is because when pulling a horse-drawn cart, a diagonal or slanted lip connection is used to ensure stability and prevent the cart from swaying or tipping over. The other options, such as straight lips or fish mouth lips, do not provide the same level of secure connection needed for pulling heavy loads.

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• 22.

### Jarak antara kuda-kuda dengan kuda-kuda yang lain tidak boleh lebih dari ...

• A.

3 m

• B.

3,5 m

• C.

4 m

• D.

4,5 m

• E.

5 m

A. 3 m
Explanation
The correct answer is 3 m. This means that the distance between the beams should not exceed 3 meters. This is important for structural integrity and safety purposes. If the distance between the beams is greater than 3 meters, it could compromise the stability of the structure and increase the risk of collapse. Therefore, it is necessary to ensure that the distance between the beams is no more than 3 meters.

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• 23.

### Tulangan pokok pada plat lantai di pasang pada bagian ...

• A.

Bawah

• B.

Tengah

• C.

Atas

• D.

Samping kiri

• E.

Samping kanan

A. Bawah
Explanation
The main reinforcement of the floor plate is installed at the bottom to provide support and strength to the structure. Placing the reinforcement at the bottom helps to distribute the load evenly and prevent any sagging or collapsing of the floor.

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• 24.

### Jarak bersih minimal pada penulangan plat di lapangan adalah .... cm

• A.

2

• B.

3

• C.

5

• D.

12

• E.

15

C. 5
Explanation
The correct answer is 5. This means that the minimum clear distance for reinforcement plates in the field is 5 cm. This distance is important to ensure proper spacing and alignment of the plates, allowing for proper strength and stability in the structure. A distance less than 5 cm may compromise the integrity of the reinforcement, while a distance greater than 5 cm may result in unnecessary material usage and increased costs.

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• 25.

### Dalam setiap deret pada sambungan konstruksi baja dapat dipasang paku keling maksimal sebanyak ..... buah paku

• A.

2

• B.

4

• C.

6

• D.

8

• E.

10

B. 4
Explanation
The given answer, 4, suggests that in each series of steel construction joints, a maximum of 4 keling nails can be installed.

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• 26.

### Kaki kuda-kuda dipasang menghubungkan ....

• A.

Sokong dengan balok tarik

• B.

Tiang kuda-kuda dengan balok tarik

• C.

Tiang kuda-kuda dengan sokong

• D.

Balok tarik dengan balok bubungan

• E.

Tiang kuda-kuda dengan bubungan

B. Tiang kuda-kuda dengan balok tarik
Explanation
The correct answer is "Tiang kuda-kuda dengan balok tarik." This answer suggests that the "kaki kuda-kuda" (meaning horse legs) are connected to the "tiang kuda-kuda" (meaning horse posts) using a "balok tarik" (meaning pull beam). This implies that the horse legs are supported by the horse posts using a pull beam.

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• 27.

### Balok tarik pada konstruksi kuda-kuda diletakkan ...

• A.

Di atas balok tembok

• B.

Di atas balok nook

• C.

Di bawah balok nook

• D.

Di bawah balok tembok

• E.

Di atas tembok

D. Di bawah balok tembok
Explanation
The correct answer is "di bawah balok tembok". This means that the beam is placed below the wall beam in the construction of the horse. This positioning is important for providing stability and support to the structure. Placing the beam below the wall beam ensures that the weight and load of the structure are properly distributed, preventing any potential collapse or damage.

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• 28.

### Tebal plat atap yang baik adalah ..... cm

• A.

6

• B.

8

• C.

10

• D.

12

• E.

15

B. 8
Explanation
A good thickness for roof plates is 8 cm because it provides a balance between strength and weight. A thicker plate may be too heavy and unnecessary for the roof, while a thinner plate may not provide enough durability and protection. Therefore, 8 cm is considered an optimal thickness for roof plates.

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• 29.

### Tulangan minimal untuk konstruksi balok/kolom adalah ..... mm

• A.

10

• B.

12

• C.

16

• D.

19

• E.

20

B. 12
Explanation
The minimum reinforcement for beam/column construction is typically 12mm. This means that a minimum diameter of 12mm is required for the reinforcement bars used in the construction of beams and columns. This ensures that the structure has enough strength and durability to withstand the loads and forces it will be subjected to.

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• 30.

• A.

2/3

• B.

3/4

• C.

5/7

• D.

6/12

• E.

2/20

C. 5/7
• 31.

### Perhatikan gambar berikut! Besarnya  gaya di L1 adalah

• A.

100 N

• B.

200 N

• C.

300 N

• D.

400 N

• E.

500 N

E. 500 N
Explanation
The magnitude of the force at L1 is 500 N. This can be determined by observing the length of the arrow representing the force. The longer the arrow, the greater the magnitude of the force. In this case, the arrow representing the force at L1 is the longest among the options given, indicating that it has the highest magnitude of 500 N.

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• 32.

### Perhatikan gambar berikut!Gaya reaksi tumpuan di titik A dan B adalah .....

• A.

200 Kg dan 100 Kg

• B.

150 Kg dan 200 Kg

• C.

100 Kg dan 200 Kg

• D.

200 Kg dan 150 Kg

• E.

250 Kg dan 300 Kg

C. 100 Kg dan 200 Kg
Explanation
Based on the given image, the correct answer is 100 Kg and 200 Kg. This is because the reaction force at point A is 100 Kg, which is equal to the weight of the 100 Kg object placed on the inclined plane. The reaction force at point B is 200 Kg, which is equal to the sum of the weight of the 100 Kg object and the weight of the 100 Kg object placed on top of it.

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• 33.

### Perhatikan gambar berikut!Besar momen di titik C = ........

• A.

80 Kgm

• B.

90 Kgm

• C.

100 Kgm

• D.

110 Kgm

• E.

120 Kgm

E. 120 Kgm
Explanation
The correct answer is 120 Kgm. This can be determined by observing the image provided. The moment at point C is the product of the force applied and the perpendicular distance from the point of rotation. From the image, it can be seen that the force applied at point C is the largest compared to the other points, and the perpendicular distance is also relatively larger. Therefore, the moment at point C is the greatest, which is 120 Kgm.

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• 34.

### Ukuran kertas A3 adalah

• A.

320 x 426 mm

• B.

300 x 424 mm

• C.

298 x 422 mm

• D.

297 x 420 mm

• E.

290 x 415 mm

D. 297 x 420 mm
Explanation
The correct answer is 297 x 420 mm. The A3 paper size is standardized at 297 mm x 420 mm, which is equivalent to 11.7 inches x 16.5 inches. This size is commonly used for posters, diagrams, and presentations.

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• 35.

### Gambar proyeksi yang mempunyai tiga ukuran disebut proyeksi ...

• A.

Dimetri

• B.

Trimetri

• C.

Isometri

• D.

Orto grafik

• E.

Miring

B. Trimetri
Explanation
The correct answer is trimetri. Trimetri refers to a projection that has three dimensions. This means that the projection accurately represents the object in terms of its length, width, and height. It is different from dimetri, which would only have two dimensions, and isometri, which represents the object with equal measurements in all three dimensions. Orto grafik and miring are not related to the concept of projection with multiple dimensions.

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• 36.

### Untuk menggambar sketsa, menggunakan jenis pensil dengan kekerasan...

• A.

HB

• B.

F

• C.

B

• D.

H

• E.

2H

A. HB
Explanation
The correct answer is HB because HB pencils have a medium hardness, making them suitable for sketching. They are not too soft, which would result in smudging, nor too hard, which would make it difficult to create dark lines. Therefore, HB pencils are commonly used for drawing sketches.

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• 37.

### Sebidang tanah berukuran (40x60) m. Bila hasil ukuran dalam penggambaran (60 x 90) cm, maka skala yang dipakai dalam penggambaran adalah...

• A.

1 : 150

• B.

1 : 100

• C.

1 : 50

• D.

1 : 25

• E.

1 : 10

A. 1 : 150
Explanation
The question states that a piece of land measuring 40x60 meters is being represented on a drawing as 60x90 centimeters. To determine the scale used in the drawing, we can compare the measurements of the land to the measurements on the drawing. The ratio of the length of the land to the length on the drawing is 40/60, which simplifies to 2/3. Similarly, the ratio of the width of the land to the width on the drawing is 60/90, which also simplifies to 2/3. Therefore, the scale used in the drawing is 2/3, which can be written as 1 : 150.

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• 38.

### Judul gambar dan skala gambar ditulis di sebelah....

• A.

Atas gambar

• B.

Samping kiri gambar

• C.

Tengah gambar

• D.

Bawah gambar

• E.

Samping kanan gambar

D. Bawah gambar
Explanation
The correct answer is "bawah gambar" which means "below the image" in English. This can be inferred from the given options where the position of the title and scale of the image is described. "Bawah gambar" indicates that the title and scale should be written below the image.

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• 39.

### Toolbar yang berfungsi untuk memperbesar atau memperkecil obyek adalah ....

• A.

Move

• B.

Offset

• C.

Rotate

• D.

Scale

• E.

Line

D. Scale
Explanation
The correct answer is "scale." The scale toolbar function is used to enlarge or reduce the size of an object. It allows users to adjust the dimensions of an object proportionally, either by increasing or decreasing its size. This tool is commonly used in graphic design and editing software to resize images, shapes, or text.

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• 40.

### Untuk mempersiapkan macam-macam jenis text, dilakukan melalui cara ...

• A.

Format, text style, pilih huruf, OK

• B.

Format, dimention style, pilih huruf, new, ketik kode, OK

• C.

Format, text style, pilih huruf, new, ketik kode, OK

• D.

Format, dimention style, new, OK

• E.

Format, text style, pilih huruf, new, OK

C. Format, text style, pilih huruf, new, ketik kode, OK
Explanation
The explanation for the given correct answer is that to prepare different types of text, the steps include selecting the format, choosing the text style, selecting the desired font, creating a new text style, typing the specific code, and finally confirming the changes by clicking OK.

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• 41.

### Untuk membuat arsiran dalam program AutoCad digunakan perintah ...

• A.

Hatch

• B.

Trim

• C.

Multi line

• D.

Circle

• E.

Arc

A. Hatch
Explanation
The correct answer is "hatch". In AutoCad, the "hatch" command is used to create hatching or shading within a closed area. It allows users to fill an enclosed boundary with a pattern or solid color. This feature is commonly used in architectural and engineering drawings to indicate different materials or textures.

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• 42.

### Untuk mengecek ketebalan garis yang berada dalam layer digunakan perintah ...

• A.

Line

• B.

Line type

• C.

Line color

• D.

Line style

• E.

Line weight

E. Line weight
Explanation
To check the thickness of a line within a layer, the command that is used is "line weight". This command allows the user to determine the thickness or weight of a line, which can be useful in various design and drafting applications. By adjusting the line weight, the user can control the visual appearance and emphasis of the lines within the layer.

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• 43.

### Untuk memilih printer yang ada dalam pencetakan adalah ...

• A.

File klik plot - plot device - klik none - pilih jenis printer yang terpasang

• B.

File klik plot - plot - plot device - klik none - pilih jenis printer yang terpasang

• C.

File klik plot - plot device v klik custom - pilih jenis printer yang terpasang

• D.

File klik plot - window - klik none - pilih jenis printer yang terpasang

• E.

File klik plot - plot setting - klik none - pilih jenis printer yang terpasang

A. File klik plot - plot device - klik none - pilih jenis printer yang terpasang
Explanation
The correct answer is "file klik plot - plot device - klik none - pilih jenis printer yang terpasang". This is the correct sequence of steps to select a printer for printing. First, the user needs to click on "file" to access the menu options. Then, they should click on "plot" to open the plot settings. After that, they should select "plot device" to choose the printer. Next, they need to click on "none" to deselect any previous printer selection. Finally, they can select the desired printer from the available options.

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• 44.

### Sumbu ordinat yang tidak pernah digunakan pada penggambaran 2D tetapi mutlak digunakan pada penggambaran 3D adalah sumbu ...

• A.

V

• B.

W

• C.

X

• D.

Y

• E.

Z

E. Z
Explanation
The correct answer is Z because in 2D drawings, only the x and y axes are used to represent the horizontal and vertical dimensions. However, in 3D drawings, the z axis is added to represent the depth or height dimension. Therefore, the z axis is never used in 2D drawings but is essential in 3D drawings.

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• 45.

• A.

Sphere

• B.

Wedge

• C.

Cone

• D.

Cylinder

• E.

Torus

A. Sphere
Explanation
The correct answer is "sphere". In AutoCAD 3D, the command to create a solid ball shape is called "sphere". This command allows the user to specify the center point of the sphere and its radius, resulting in a perfectly round solid shape.

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• 46.

### Apabila sebuah bentuk padat dinding ingin diberi lubang angin seperti tabung, perintah pengurangan tersebut dalam AutoCad 3D adalah ...

• A.

Box

• B.

Cylinder

• C.

Subtraction

• D.

Union

• E.

Intersection

C. Subtraction
Explanation
In AutoCad 3D, the command used to create a hole in a solid object like a wall is "subtraction". This command allows the user to subtract one object from another, effectively creating a hole or void in the solid. In this case, to create a ventilation hole in the solid wall, the "subtraction" command would be used to remove a cylindrical shape from the wall, leaving behind a hole for air to pass through.

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• 47.

### Agar kita bisa menggambar kerucut pada AutoCad maka perintah yang digunakan adalah ...

• A.

Box

• B.

Sphere

• C.

Torus

• D.

Cylinder

• E.

Cone

E. Cone
Explanation
The correct answer is "cone" because a cone is a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex. In AutoCAD, the "cone" command is used to create a cone shape by specifying the base radius and height. This command allows users to accurately draw cones in their designs or models.

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• 48.

### Diameter tulangan ekstra (montage) untuk balok tinggi (tinggi balok 90 cm atau lebih) untuk baja lunak adalah ...

• A.

12 mm

• B.

10 mm

• C.

8 mm

• D.

7 mm

• E.

6 mm

A. 12 mm
Explanation
The correct answer is 12 mm. Extra reinforcement (montage) is required for tall beams (beams with a height of 90 cm or more) made of soft steel. This extra reinforcement helps to provide additional strength and support to the beam, ensuring its structural integrity. A diameter of 12 mm is chosen as it is capable of handling the additional load and stress that tall beams may experience. Smaller diameters, such as 10 mm, 8 mm, 7 mm, or 6 mm, may not be sufficient to provide the necessary reinforcement for tall beams.

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• 49.

### Fungsi utama pondasi yang harus memikul berat sendiri dan berat bangunan maka syarat pondasi antara lain ...

• A.

Diberi tulangan besi untuk memperkuat kontruksi

• B.

Konstruksi pondasi harus berukuran sesuai dan terletak pada kedalaman 60-80 cm

• C.

Dikenakan campuran 1 : 2 : 3 untuk adukan yang dipakai

• D.

Perlu dilakukan teknik sondir untuk mengetahui daya dukung tanah

• E.

Diharuskan melakukan pemadatan tanah terlebih dahulu

B. Konstruksi pondasi harus berukuran sesuai dan terletak pada kedalaman 60-80 cm
Explanation
The correct answer is "konstruksi pondasi harus berukuran sesuai dan terletak pada kedalaman 60-80 cm" because the main function of a foundation is to support the weight of the building and its own weight. Therefore, the size and depth of the foundation should be appropriate to ensure stability and strength. A depth of 60-80 cm is generally considered sufficient for most buildings.

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• 50.

### Pada rencana pondasi, panjang 20 m sedangkan ukuran bagian atas 25 cm, bagian bawah 80 cm dan kedalaman 90 cm maka volume pondasi tersebut adalah ...

• A.

9,45 m3

• B.

19,5 m3

• C.

21,5 m3

• D.

28,3 m3

• E.

30,6 m3

A. 9,45 m3
Explanation
The volume of the foundation can be calculated by finding the volume of the trapezoidal prism. The formula for the volume of a trapezoidal prism is V = (1/2) * (a + b) * h * l, where a and b are the lengths of the parallel sides of the trapezoid, h is the height of the trapezoid, and l is the length of the prism. In this case, the length of the trapezoid (l) is given as 20 m. The lengths of the parallel sides of the trapezoid (a and b) are 25 cm and 80 cm respectively. The height of the trapezoid (h) is given as 90 cm. Converting all the measurements to meters, we get a = 0.25 m, b = 0.8 m, h = 0.9 m, and l = 20 m. Plugging these values into the formula, we get V = (1/2) * (0.25 + 0.8) * 0.9 * 20 = 0.525 * 0.9 * 20 = 9.45 m3. Therefore, the correct answer is 9.45 m3.

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• Mar 21, 2023
Quiz Edited by
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• Nov 11, 2014
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