Question
751
Apa tujuan utama prosedur pemulihan daya setelah blackout?
What is the main purpose of power recovery procedures after a blackout?
Options
a
Mengembalikan sistem penting secara aman, teratur, dan terkendali.
To restore essential systems safely, orderly, and under control.
b
Menyalakan semua peralatan secepat mungkin tanpa prioritas.
To start all equipment as quickly as possible without priority.
c
Mengembalikan kenyamanan akomodasi sebelum sistem teknik.
To restore accommodation comfort before technical systems.
d
Menguji alarm tanpa memulihkan beban utama.
To test alarms without restoring the main loads.
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Question
752
Apa fungsi utama purifier bahan bakar?
What is the main function of a fuel oil purifier?
Options
a
Memisahkan air dan kotoran dari bahan bakar sebelum digunakan mesin.
To separate water and dirt from fuel before it is used by the engine.
b
Menaikkan viskositas bahan bakar agar pembakaran lambat.
To increase fuel viscosity so combustion becomes slower.
c
Mendinginkan bahan bakar sebelum injeksi.
To cool the fuel before injection.
d
Mengukur konsumsi bahan bakar harian.
To measure daily fuel consumption.
Grade
Ungraded
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Question
753
Apa fungsi utama purifier oli pelumas?
What is the main function of a lubricating oil purifier?
Options
a
Membersihkan oli pelumas dari air dan partikel kontaminan.
To clean lubricating oil of water and contaminant particles.
b
Menambah aditif oli secara otomatis.
To add oil additives automatically.
c
Menurunkan tekanan oli ke bantalan utama.
To reduce oil pressure to the main bearings.
d
Mengganti fungsi filter oli sepenuhnya.
To completely replace the function of the oil filter.
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Question
754
Mengapa bahan bakar biasanya dipanaskan sebelum masuk purifier?
Why is fuel usually heated before entering the purifier?
Options
a
Agar viskositas turun dan proses pemisahan menjadi lebih efektif.
To reduce viscosity and make separation more effective.
b
Agar warna bahan bakar menjadi lebih terang.
To make the fuel color lighter.
c
Agar pompa transfer dapat dihentikan.
To allow the transfer pump to be stopped.
d
Agar kadar sulfur bahan bakar berkurang.
To reduce the sulfur content of the fuel.
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Ungraded
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Question
755
Apa fungsi gravity disc pada purifier?
What is the function of the gravity disc in a purifier?
Options
a
Menentukan posisi interface antara minyak dan air di dalam bowl.
To determine the interface position between oil and water inside the bowl.
b
Menambah putaran bowl saat start.
To increase bowl speed during start-up.
c
Mengatur tekanan pompa feed.
To regulate feed pump pressure.
d
Mengontrol temperatur pemanas bahan bakar.
To control fuel heater temperature.
Grade
Ungraded
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Question
756
Apa akibat penggunaan gravity disc yang tidak sesuai?
What is the effect of using an incorrect gravity disc?
Options
a
Pemisahan menjadi tidak efektif dan minyak dapat ikut terbuang atau air terbawa keluar.
Separation becomes ineffective and oil may be lost or water may carry over.
b
Putaran bowl akan selalu meningkat di atas normal.
The bowl speed will always rise above normal.
c
Motor listrik akan otomatis berhenti.
The electric motor will stop automatically.
d
Sludge space akan kosong sepenuhnya.
The sludge space will become completely empty.
Grade
Ungraded
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Question
757
Kapan bowl purifier harus dibersihkan?
When should a purifier bowl be cleaned?
Options
a
Sesuai jam kerja, kondisi operasi, atau saat kinerja pemisahan menurun.
According to running hours, operating condition, or when separation performance decreases.
b
Hanya saat kapal akan docking.
Only when the vessel is going to dry dock.
c
Setelah setiap kali bahan bakar dipindahkan tangki.
After every transfer of fuel between tanks.
d
Saat tekanan udara start turun.
When starting air pressure drops.
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Ungraded
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Question
758
Apa penyebab umum alarm getaran tinggi pada purifier?
What is a common cause of a high vibration alarm on a purifier?
Options
a
Ketidakseimbangan bowl akibat sludge menumpuk atau perakitan tidak benar.
Bowl imbalance due to sludge accumulation or incorrect assembly.
b
Frekuensi generator terlalu tinggi di anjungan.
Generator frequency being too high on the bridge.
c
Level air boiler terlalu rendah.
Low boiler water level.
d
Tangki harian bahan bakar terlalu penuh.
The daily fuel tank being too full.
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Question
759
Apa tindakan pertama jika purifier bergetar berlebihan saat operasi?
What is the first action if the purifier vibrates excessively during operation?
Options
a
Mengurangi risiko dengan menghentikan unit sesuai prosedur dan melakukan pemeriksaan.
Reduce the risk by stopping the unit in accordance with procedure and carrying out an inspection.
b
Menambah feed rate agar putaran stabil.
Increase the feed rate so the speed stabilizes.
c
Menaikkan temperatur pemanas semaksimal mungkin.
Raise the heater temperature to the maximum.
d
Membuka cover purifier saat bowl masih berputar.
Open the purifier cover while the bowl is still rotating.
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Ungraded
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Question
760
Mengapa water seal penting pada purifier?
Why is the water seal important in a purifier?
Options
a
Karena water seal membantu pembentukan batas pemisahan yang benar di dalam bowl.
Because the water seal helps establish the correct separation boundary inside the bowl.
b
Karena water seal menaikkan tekanan udara start.
Because the water seal increases starting air pressure.
c
Karena water seal melumasi bantalan motor listrik.
Because the water seal lubricates the motor bearings.
d
Karena water seal menggantikan fungsi gravity disc.
Because the water seal replaces the function of the gravity disc.
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Ungraded
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