Question
51
Apa yang dimaksud dengan 'efek knocking' pada mesin diesel?
What is meant by the knocking effect in a diesel engine?
Options
a
Suara berisik saat pembakaran terjadi di luar waktu yang seharusnya
A noisy sound when combustion occurs outside the proper timing
b
Masalah pada sistem pengapian mesin
A problem in the engine ignition system
c
Suara gemuruh yang dihasilkan oleh mesin diesel
A rumbling sound produced by the diesel engine
d
Gejala mesin bergetar secara tidak normal
A symptom of abnormal engine vibration
Grade
Ungraded
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Question
52
Bagaimana mesin diesel kecepatan menengah biasanya didinginkan?
How are medium-speed diesel engines usually cooled?
Options
a
Dengan air
By water
b
Dengan minyak pelumas
By lubricating oil
c
Tidak perlu sistem pendinginan
No cooling system is needed
d
Dengan udara alami
By natural air
Grade
Ungraded
Last Update
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Question
53
Salah satu keunggulan mesin diesel kecepatan menengah adalah...
One advantage of a medium-speed diesel engine is...
Options
a
Kemampuan beroperasi pada berbagai jenis bahan bakar
The ability to operate on various types of fuel
b
Konsumsi bahan bakar yang tinggi
High fuel consumption
c
Performa yang rendah
Low performance
d
Efisiensi bahan bakar yang rendah
Low fuel efficiency
Grade
Ungraded
Last Update
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Question
54
Apa yang dimaksud dengan 'sistem injeksi langsung' pada mesin diesel?
What is meant by direct injection system in a diesel engine?
Options
a
Bahan bakar diinjeksikan langsung ke dalam silinder
Fuel is injected directly into the cylinder
b
Bahan bakar diinjeksikan ke dalam saluran knalpot
Fuel is injected into the exhaust passage
c
Bahan bakar diinjeksikan ke dalam tangki bahan bakar
Fuel is injected into the fuel tank
d
Bahan bakar diinjeksikan ke dalam saluran udara sebelum masuk ke silinder
Fuel is injected into the air passage before entering the cylinder
Grade
Ungraded
Last Update
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Question
55
Bagian mana yang bertanggung jawab untuk mengeluarkan gas hasil pembakaran dari silinder pada mesin diesel?
Which part is responsible for discharging combustion gas from the cylinder in a diesel engine?
Options
a
Katup gas buang
Exhaust valve
b
Piston
Piston
c
Injektor bahan bakar
Fuel injector
d
Katup masuk
Inlet valve
Grade
Ungraded
Last Update
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Question
56
Bagian mana yang bertanggung jawab untuk mengatur waktu pembukaan dan penutupan katup pada mesin diesel?
Which part is responsible for controlling the timing of valve opening and closing in a diesel engine?
Options
a
Cam shaft
Camshaft
b
Injektor bahan bakar
Fuel injector
c
Katup masuk
Inlet valve
d
Katup gas buang
Exhaust valve
Grade
Ungraded
Last Update
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Question
57
Bagaimana sistem penyalaan pada mesin diesel berbeda dengan mesin bensin?
How does the ignition system in a diesel engine differ from that in a gasoline engine?
Options
a
Mesin diesel menggunakan tekanan dan panas akibat kompresi untuk menyala
A diesel engine uses compression pressure and heat for ignition
b
Mesin diesel menggunakan sistem injeksi listrik untuk menyala
A diesel engine uses an electric injection system for ignition
c
Tidak ada perbedaan, keduanya menggunakan sistem penyalaan yang sama
There is no difference, both use the same ignition system
d
Mesin diesel menggunakan busi untuk menyala
A diesel engine uses spark plugs for ignition
Grade
Ungraded
Last Update
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Question
58
Pertanyaan: Mesin putaran menengah di kapal umumnya memiliki daya hingga berapa kW?
Question: Medium-speed engines on ships generally have an output of up to how many kW?
Options
a
20.000 kW
20,000 kW
b
10.000 kW
10,000 kW
c
5.000 kW
5,000 kW
d
15.000 kW
15,000 kW
Grade
Ungraded
Last Update
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Question
59
Bahan bakar mana yang termasuk dalam kategori High Speed Diesel (HSD)?
Which fuel is included in the High Speed Diesel (HSD) category?
Options
a
Solar
Diesel oil
b
LNG
LNG
c
MDO
MDO
d
MFO
MFO
Grade
Ungraded
Last Update
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Question
60
Apa kepanjangan dari MDO dalam konteks bahan bakar mesin diesel laut?
What does MDO stand for in the context of marine diesel engine fuel?
Options
a
Marine Diesel Oil
Marine Diesel Oil
b
Medium Duty Oil
Medium Duty Oil
c
Marine Duty Oil
Marine Duty Oil
d
Medium Diesel Oil
Medium Diesel Oil
Grade
Ungraded
Last Update
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