Question
71
Jika fluks magnet meningkat maka arus induksi akan...
If magnetic flux increases, the induced current will...
Options
a
Menentang perubahan fluks
Oppose the change in flux
b
Mendukung perubahan fluks
Support the change in flux
c
Hilang
Disappear
d
Tetap
Remain unchanged
Grade
Ungraded
Last Update
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Question
72
Induktansi adalah kemampuan suatu kumparan untuk...
Inductance is the ability of a coil to...
Options
a
Menyimpan energi dalam medan magnet
Store energy in a magnetic field
b
Menghasilkan cahaya
Produce light
c
Menghasilkan panas
Produce heat
d
Menurunkan frekuensi
Reduce frequency
Grade
Ungraded
Last Update
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Question
73
Fungsi utama motor AC di kapal adalah...
The main function of an AC motor on board is to...
Options
a
Mengubah energi listrik AC menjadi energi mekanik
Convert AC electrical energy into mechanical energy
b
Menghasilkan DC
Produce DC voltage
c
Menurunkan tegangan
Reduce voltage
d
Mengisi baterai
Charge a battery
Grade
Ungraded
Last Update
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Question
74
Motor AC banyak digunakan untuk menggerakkan...
AC motors are widely used on board to drive...
Options
a
Pompa, blower, dan kompresor
Pumps, blowers, and compressors
b
Lampu
Lamps
c
Fuse
Fuses
d
Relay
Relays
Grade
Ungraded
Last Update
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Question
75
Prinsip kerja motor AC berdasarkan...
The operating principle of an AC motor is based on a...
Options
a
Medan magnet berputar
Rotating magnetic field
b
Reaksi kimia
Chemical reaction
c
Gaya gravitasi
Gravitational force
d
Pemanasan
Heating effect
Grade
Ungraded
Last Update
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Question
76
Keuntungan motor AC di kapal adalah...
An advantage of AC motors on board is...
Options
a
Perawatan sederhana
Relatively simple maintenance
b
Menggunakan sikat karbon
The need for carbon brushes
c
Memerlukan komutator
The need for a commutator
d
Tidak memerlukan sumber listrik
Operation without an electrical supply
Grade
Ungraded
Last Update
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Question
77
Motor DC bekerja dengan mengubah...
A DC motor operates by converting...
Options
a
Energi listrik DC menjadi energi mekanik
DC electrical energy into mechanical energy
b
Energi panas menjadi listrik
Heat energy into electrical energy
c
Energi mekanik menjadi DC
Mechanical energy into DC power
d
Energi cahaya menjadi listrik
Light energy into electrical energy
Grade
Ungraded
Last Update
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Question
78
Komponen yang membedakan motor DC dengan motor AC adalah...
The components that distinguish a conventional DC motor from an AC motor are the...
Options
a
Komutator dan sikat karbon
Commutator and carbon brushes
b
Transformator
Transformer
c
Rotor sangkar
Squirrel-cage rotor
d
Kapasitor
Capacitor
Grade
Ungraded
Last Update
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Question
79
Motor DC banyak digunakan pada kapal untuk...
DC motors are commonly used on board for systems that require...
Options
a
Sistem yang memerlukan pengaturan kecepatan yang mudah
Easy speed control
b
Lampu navigasi
Navigation lighting
c
Panel distribusi
Distribution panels
d
Generator sinkron
Synchronous generators
Grade
Ungraded
Last Update
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Question
80
Kecepatan motor DC dapat diatur dengan...
The speed of a DC motor can be controlled by...
Options
a
Mengubah tegangan atau arus medan
Changing the armature voltage or field current
b
Mengubah warna kabel
Changing cable color
c
Menambah hambatan mekanik
Increasing mechanical resistance
d
Mengubah ukuran baut
Changing bolt size
Grade
Ungraded
Last Update
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