# Latihan SiSTEM Starter

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Latihan ini bisa digunakan untuk mengukur tingkat penguasaan materi setelah belajar dengan media pembelajaran ini. Silahkan untuk memulai

• 1.

• A.

Perlengkapan sistem

• B.

Penggerak mula

• C.

Penghasil arus

• D.

Penghasil magnet

• E.

Penghasil tegangan

B. Penggerak mula
Explanation
The correct answer is "penggerak mula". The starter system in a combustion engine motor is responsible for initiating the engine's rotation. It provides the initial mechanical force needed to crank the engine and start the combustion process. This is achieved through the use of a starter motor, which is connected to the engine's flywheel or flexplate. When the starter motor is engaged, it turns the flywheel or flexplate, causing the engine's pistons to move and the combustion process to begin. Therefore, the starter system acts as the "penggerak mula" or the initial driving force to start the motor.

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• 2.

### Prinsip dasar motor starter adalah ... .

• A.

Kumparan yang yang dialiri arus maka inti kumparan terbangkit magnet

• B.

Inti magnet menghasilkan arus

• C.

Medan magnet memotong kumparan dihasilkan arus listrik

• D.

Kumparan menghasilkan tegangan listrik

• E.

Inti magnet menghasilkan tegangan

A. Kumparan yang yang dialiri arus maka inti kumparan terbangkit magnet
Explanation
The basic principle of a motor starter is that when a coil is energized with current, it generates a magnetic field. This magnetic field then induces an electric current when it cuts across a coil. Therefore, the correct answer states that when a coil is energized with current, the core of the coil becomes magnetized.

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• 3.

### Untuk menghubungkan  gigi pinion dan over runing  cluth ke gigi fly wheel adalah ... .

• A.

Driver lever

• B.

Ignition switch

• C.

Armature

• D.

Solenoid

• E.

Magnetic switch

A. Driver lever
Explanation
The correct answer is "driver lever". The driver lever is used to connect the pinion gear and overrunning clutch to the flywheel gear. It is a mechanical component that helps transfer power from the engine to the transmission system.

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• 4.

### Kumparan  yang berfungsi untuk mempertahankan plunger pada saat stareter bekerja adalah ... .

• A.

Field coil

• B.

Pull in coil

• C.

Over running clutch

• D.

Armature coil

• E.

Hold in coil

E. Hold in coil
Explanation
The hold in coil is responsible for keeping the plunger in place while the starter is working. It prevents the plunger from moving or disengaging during operation, ensuring that the starter functions properly.

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• 5.

### Pada saat seleniod bekerja maka driver lever akan menggerakan ... .

• A.

Armature coil dan pole coil

• B.

Pole in coil dan hold in coil

• C.

Plunger dan field coil

• D.

Pinion gear dan overunning clutch

• E.

Pinion gear dan yoke core

D. Pinion gear dan overunning clutch
Explanation
When the solenoid is activated, it causes the pinion gear to move and engage with the overrunning clutch. This allows the pinion gear to turn the engine's flywheel and start the engine. The overrunning clutch prevents the pinion gear from spinning freely once the engine is started, ensuring that the pinion gear disengages from the flywheel and does not cause any damage.

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• 6.

### Komponen yang menjadi magnet apabila feild  coil dialiri arus adalah ... .

• A.

Hold core

• B.

Armature core

• C.

Pole core

• D.

Yoke core

• E.

Plunger

C. Pole core
Explanation
When a field coil is supplied with current, the component that becomes magnetized is the pole core. The pole core is typically made of ferromagnetic material and is designed to concentrate and direct the magnetic field produced by the field coil. This magnetization is essential for the proper functioning of electromagnetic devices such as motors and generators. The other options listed, such as the hold core, armature core, yoke core, and plunger, are not specifically designed to become magnetized by the field coil.

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• 7.

### Limit pemakaian komutator dari keausan adalah ... .

• A.

0,2 mm

• B.

0,6 mm

• C.

0,3 mm

• D.

0,5 mm

• E.

0,4 mm

C. 0,3 mm
Explanation
The correct answer is 0,3 mm. This is because the limit of commutator wear is 0,3 mm.

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• 8.

### Untuk memeriksa selinoid menggunakan baterai,maka rangkaian kabel yang paling benar adalah  ... .

• A.

Terminal positif baterai keterminal 30 dan C, sedang terminal 50 keterminal negatif baterai

• B.

Terminal positif baterai ke terminal 30, sedang terminal C dan 50 ke masa

• C.

Terminal positif baterai ke terminal 50 sedang terminal negatif ke terminal C dan masa

• D.

Terminal positif baterai ke terminal 50 sedang terminal negatif ke terminal 30 dan C

• E.

Terminal positif baterai ke terminal 50 sedang terminal negatif ke terminal 30

B. Terminal positif baterai ke terminal 30, sedang terminal C dan 50 ke masa
Explanation
The correct answer states that the positive terminal of the battery is connected to terminal 30, while terminal C and 50 are connected to the ground. This configuration allows for the testing of the solenoid using the battery, as it completes the circuit and allows for the flow of current through the solenoid.

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• 9.

### Pull in coil dan hold in coil yang dialiri arus akan mempengaruhi kerja dari ... .

• A.

Plunger

• B.

Gigi pinion

• C.

Overrunning clutch

• D.

Solenoid

• E.

Driver lever

A. Plunger
Explanation
When current flows through the pull-in coil and hold-in coil, it creates a magnetic field that affects the movement of the plunger. The plunger is a component that moves in response to the magnetic field and is responsible for controlling the operation of various mechanisms in a system. Therefore, the correct answer is plunger.

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• 10.

### Besar Arus pengujian pada motor starter untuk mesin sedang sebesar ... .

• A.

65-90Ampere

• B.

50-75Ampere

• C.

65-150 Ampere

• D.

50-90Ampere

• E.

90-150 Ampere

A. 65-90Ampere
Explanation
The correct answer is 65-90Ampere. This range represents the current that is required to test the motor starter for a medium-sized machine. It is important to ensure that the current falls within this range to ensure proper functioning of the motor starter and to prevent any damage to the machine.

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• Nov 19, 2012
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