1.
Berikut adalah yang bukan merupakan fungsi sistem rem pada kendaraan bermotor
Correct Answer
D. Sebagai peredam getaran akibat jalan tidak rata
Explanation
Sistem rem pada kendaraan bermotor memiliki beberapa fungsi, seperti mengurangi kecepatan, menghentikan kendaraan, dan memungkinkan parkir pada tempat yang menurun. Namun, fungsi sebagai peredam getaran akibat jalan tidak rata bukanlah fungsi dari sistem rem. Peredam getaran biasanya terdapat pada sistem suspensi kendaraan, bukan pada sistem rem.
2.
Berikut ini yang bukan merupakan tipe rem tromol adalah
Correct Answer
D. Trio servo
Explanation
The correct answer is Trio servo because Trio servo is not a type of drum brake. The other options, Leading trailing, Duo Servo, and Uni servo, are all types of drum brakes commonly used in vehicles.
3.
Komponen pada rem yang berfungsi untuk melipatgandakan daya penekanan pedal rem, sehingga pengemudi tidak memerlukan penekanan pedal rem yang kuat adalah
Correct Answer
B. Booster rem
Explanation
The correct answer is "Booster rem". A brake booster is a component in the braking system that helps to multiply the force applied to the brake pedal. It uses vacuum pressure from the engine to assist in applying the brakes, making it easier for the driver to achieve strong braking power without having to apply excessive force to the pedal.
4.
Jika pada rem hidrolik kemasukan udara / angin, maka tindakan yang dilakukan pada rem tersebut adalah
Correct Answer
A. Melakukan bleeding
Explanation
When air or moisture enters the hydraulic brake system, it can cause a spongy or soft brake pedal. To remove the air from the system and restore proper brake function, the correct action to be taken is "Melakukan bleeding." Bleeding involves removing the air by forcing fresh brake fluid through the system until all air bubbles are eliminated. This process ensures that the brakes operate efficiently and effectively.
5.
Pemeriksaan komponen rem cakram menggunakan dial indicator adalah untuk mengetahui?
Correct Answer
A. Run out / keolengan cakram
Explanation
The examination of the disc brake components using a dial indicator is done to determine the run out or wobbling of the disc. This helps in identifying any irregularities or misalignment in the disc, which can cause vibrations and affect the braking performance. By measuring the run out, the technician can assess if the disc needs to be repaired or replaced to ensure smooth and effective braking.
6.
Pada saat mengganti sepatu rem, maka pekerjaan pertama yang dilakukan adalah
Correct Answer
A. Melonggarkan baut roda
Explanation
The first step in changing the brake shoes is to loosen the wheel bolts. This allows for easier removal of the wheel and access to the brake system. By loosening the wheel bolts, the wheel can be safely removed, allowing for further inspection and replacement of the brake shoes.
7.
Disc brake adalah nama lain dari
Correct Answer
A. Rem cakram
Explanation
Disc brake adalah nama lain untuk rem cakram. Rem cakram adalah sistem pengereman pada kendaraan yang menggunakan cakram yang dipasang di roda. Ketika rem ditekan, rem cakram akan bekerja dengan cara mendorong bantalan rem ke cakram untuk menghasilkan gaya gesekan dan memperlambat putaran roda. Rem cakram umumnya digunakan pada kendaraan roda empat dan roda dua dengan kapasitas mesin yang lebih besar.
8.
Komponen rem yang berfungsi mengubah gerak pedal rem ke dalam tekanan hidrolik adalah
Correct Answer
A. Master selinder
Explanation
The correct answer is the master cylinder. The master cylinder is a component of the braking system that converts the motion of the brake pedal into hydraulic pressure. When the brake pedal is pressed, the master cylinder pushes brake fluid through the brake lines to the wheel cylinders or calipers, which then apply the brakes to the wheels. The master cylinder is responsible for initiating the braking process and ensuring that the correct amount of hydraulic pressure is applied to the brakes.
9.
Tempat memasang rem tromol adalah
Correct Answer
B. Backing plate
Explanation
The correct answer is "Backing plate." The backing plate is the part where the drum brake assembly is mounted. It is a metal plate that provides support and stability to the drum brake components. The drum brake shoes are attached to the backing plate, and when the brake pedal is pressed, the shoes are forced against the inner surface of the drum to create friction and slow down or stop the vehicle. Without the backing plate, the drum brake assembly would not be able to function properly.
10.
Berikut ini yang merupakan rem pada mobil adalah, kecuali....
Correct Answer
C. Rem pembantu
Explanation
The correct answer is "Rem pembantu" because it is the only option that does not refer to a type of brake in a car. "Rem kaki" refers to the foot brake, "Rem parkir" refers to the parking brake, and "Rem tangan" refers to the handbrake. However, "Rem pembantu" does not correspond to any specific brake in a car.
11.
Rem yang digunakan untuk mengontrol kecepatan dan menghentikan kendaraan, biasanya ada jenis hidrolik dan pneumatik adalah
Correct Answer
A. Rem kaki
Explanation
The correct answer is "Rem kaki". Rem kaki is a type of brake that is used to control the speed and stop a vehicle. It is operated by foot and is commonly found in hydraulic and pneumatic systems. This type of brake is essential for ensuring the safety and control of the vehicle during operation.
12.
Berikut ini yang merupakan bagian-bagian dari tromol rem hidrolik, kecuali
Correct Answer
C. Piringan
Explanation
The given options represent different parts of a hydraulic brake drum, except for the "Piringan" which translates to "disc" in English. A hydraulic brake drum typically consists of a pedal brake, brake shoes, and brake lining. However, the "Piringan" refers to a disc brake, which is a different type of braking system that uses a disc instead of a drum. Therefore, the correct answer is "Piringan" as it does not belong to the parts of a hydraulic brake drum.
13.
Bagian rem yang berfungsi untuk meneruskan tekanan dari pedal menjadi tekanan hidrolik minyak rem untuk menggerakkan sepatu rem (pada tromol) atau menekan piringan rem (pada model rem piringan) adalah
Correct Answer
A. Master silinder
Explanation
The master cylinder is the correct answer because it is responsible for transmitting the pressure from the pedal to the hydraulic brake fluid. This pressure is then used to activate the brake shoes on drum brakes or press the brake pads against the brake rotor on disc brakes. The master cylinder plays a crucial role in the braking system by converting the mechanical force from the pedal into hydraulic pressure, allowing the brakes to function properly.
14.
Yang termasuk komponen-komponen dalam rem tromol adalah
Correct Answer
B. Silinder roda, kanvas, sepatu rem
Explanation
The correct answer is Silinder roda, kanvas, sepatu rem. The components mentioned in this answer are all parts of a drum brake system. The silinder roda (wheel cylinder) is responsible for applying pressure to the brake shoes, which are the sepatu rem. The kanvas (lining) is the material that makes contact with the drum to create friction and slow down the vehicle. Therefore, this answer accurately lists the components of a drum brake system.
15.
Terdiri dari apa sajakah silinder roda itu
Correct Answer
C. Body dan piston
Explanation
The correct answer is "Body dan piston." Silinder roda terdiri dari dua bagian utama, yaitu body dan piston. Body merupakan bagian luar silinder yang berfungsi sebagai tempat piston bergerak naik turun. Sedangkan piston adalah bagian dalam silinder yang berfungsi untuk menekan cairan rem saat pedal rem ditekan.
16.
Energi yang dihasilkan oleh sistem rem ialah
Correct Answer
A. Gerak menjadi gesek
Explanation
The correct answer is "Gerak menjadi gesek." When a vehicle's brakes are applied, the brake pads create friction against the rotors, which causes the wheels to slow down and eventually stop. This friction between the brake pads and the rotors converts the kinetic energy of the moving vehicle into heat energy. Therefore, the energy produced by the braking system is converted into friction, which is the motion of rubbing or sliding against each other.
17.
Alat yang digunakan untuk mengukur diameter dalam tromol adalah
Correct Answer
B. Vernier caliper
Explanation
A vernier caliper is a precision measuring instrument used to measure the diameter of objects, including the diameter inside a drum or tromol. It consists of a main scale and a sliding vernier scale that allows for more accurate measurements. By aligning the jaws of the vernier caliper with the inner diameter of the tromol and reading the measurement on the scales, the diameter can be determined with greater precision.
18.
Disebut apakah tempat piston rem bergerak
Correct Answer
A. Silinder caliper
Explanation
The correct answer is Silinder caliper. The caliper is the part of the braking system that houses the piston. When the brake pedal is pressed, hydraulic pressure is applied to the piston in the caliper, causing it to move and apply pressure to the brake pads. This pressure then causes the brake pads to clamp down on the rotor, creating friction and slowing down the vehicle. Therefore, the caliper is the place where the piston in the brake system moves.
19.
DOT berapakah yang lazim digunakan untuk penggunaan minyak rem
Correct Answer
A. DOT 3
Explanation
DOT 3 is commonly used for brake fluid. It has a higher boiling point compared to DOT 4, making it suitable for vehicles with standard braking systems. DOT 3 brake fluid is compatible with most vehicles and provides good braking performance. DOT 03 and DOT 04 are not commonly used or recognized specifications for brake fluid.
20.
Gambar tersebut menunjukkan rem tromol tipe?
Correct Answer
A. Leading and Trealing
Explanation
The given image shows a drum brake, and the question asks for the type of drum brake. The correct answer is "Leading and Trailing." Leading and Trailing refers to the configuration of the brake shoes in a drum brake system. In this configuration, there are two brake shoes, one leading shoe and one trailing shoe, on each side of the drum. The leading shoe is positioned at the front of the drum and is activated first when the brakes are applied, while the trailing shoe is positioned at the back and is activated second. This configuration provides efficient braking performance.
21.
Gambar tersebut menunjukkan rem tromol tipe?
Correct Answer
B. Two Leading
Explanation
The given image shows a type of drum brake called "Two Leading." In this type of brake, there are two brake shoes that are both leading, meaning they are both pushed against the drum when the brakes are applied. This design provides better braking performance and more even wear on the brake shoes.
22.
Gambar tersebut menunjukkan rem tromol tipe?
Correct Answer
C. Uni Servo
Explanation
The given image shows a type of drum brake called Uni Servo. This type of brake uses a single shoe that is pressed against the drum by the rotation of the wheel. The shoe is designed in such a way that it creates a self-energizing effect, increasing the braking force. Uni Servo brakes are commonly used in vehicles for their effective braking performance.
23.
Gambar tersebut menunjukkan rem tromol tipe?
Correct Answer
D. Duo Servo
Explanation
The given question asks about the type of drum brake shown in the picture. The correct answer is "Duo Servo." This type of drum brake is characterized by two leading shoes and is commonly used in automotive braking systems. The leading shoes are positioned at the front of the drum and are responsible for the initial contact with the drum when the brakes are applied. The duo servo design provides efficient braking performance and better control over braking force distribution.