Question
3141
Pelumasan yang baik dapat membantu mengurangi kebisingan dengan cara…
The main purpose of separating cold rooms according to the type of food on board is to…
Options
a
Mengurangi gesekan antara komponen mesin yang bergerak
Match storage temperatures and prevent cross-contamination.
b
Menambah gesekan antar komponen mesin
Facilitate ballast addition to the double bottom.
c
Mengurangi penggunaan minyak pelumas dalam sistem
Reduce the need for portable fire extinguishers.
d
Membiarkan mesin bekerja tanpa perawatan pelumasan
Raise the temperature of all provision rooms at the same time.
Grade
Ungraded
Last Update
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Question
3142
Salah satu manfaat utama pelumasan yang tepat adalah…
When the ship is carrying frozen cargo, cargo space temperature should…
Options
a
Memperpanjang umur pakai komponen permesinan kapal
Follow the cargo instructions and be maintained steadily throughout the voyage.
b
Meningkatkan risiko korosi pada komponen mesin
Be made the same as outside air temperature to save energy.
c
Mengurangi efisiensi sistem permesinan
Be raised at night and lowered in daytime without technical basis.
d
Membuat mesin bekerja lebih kasar
Be allowed to vary with engine room temperature.
Grade
Ungraded
Last Update
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Question
3143
Selain mengurangi gesekan, minyak pelumas juga berperan dalam…
Routine inspection of the cold room door gasket is important because leakage at the door can…
Options
a
Menyegel celah kecil antara permukaan logam yang bergerak
Increase the entry of heat and moisture into the refrigerated space.
b
Menyebabkan kebocoran minyak dalam sistem
Directly reduce compressor oil pressure.
c
Mengurangi stabilitas suhu mesin
Cause the liquid receiver to go into vacuum.
d
Meningkatkan jumlah panas yang dihasilkan oleh gesekan
Cause seawater to enter the evaporator.
Grade
Ungraded
Last Update
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Question
3144
Jika sistem pelumasan tidak bekerja dengan baik, dampak yang paling mungkin terjadi adalah…
If the refrigerated space is too humid, one possible consequence is…
Options
a
Peningkatan keausan komponen mesin dan risiko kerusakan lebih cepat
Frost formation will occur more quickly on the evaporator and products.
b
Mesin menjadi lebih tahan lama tanpa perlu pelumasan tambahan
Discharge pressure will fall to absolute zero.
c
Suhu mesin lebih stabil tanpa minyak pelumas
The refrigerant will turn into lubricating oil.
d
Mengurangi konsumsi energi mesin tanpa konsekuensi negatif
The condenser will no longer require cooling.
Grade
Ungraded
Last Update
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Question
3145
Mengapa penting untuk menjaga pelumasan yang tepat dan teratur dalam permesinan kapal?
In the operation of a shipboard refrigeration plant, watchkeeping personnel must respond immediately when a safety alarm sounds because…
Options
a
Untuk memastikan kinerja optimal dan umur pakai mesin yang panjang
The alarm may indicate a condition that can damage the system or the cargo.
b
Untuk mengurangi kebutuhan pemeliharaan mesin
The alarm only serves as a watch handover reminder.
c
Supaya mesin tetap beroperasi tanpa minyak pelumas
The alarm is unrelated to machinery safety.
d
Agar mesin lebih cepat mengalami keausan
The alarm will disappear by itself without any inspection.
Grade
Ungraded
Last Update
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Question
3146
Berikut ini upaya perbaikan pada cold storage yang paling tepat adalah...
The most appropriate corrective action for a cold storage unit is...
Options
a
Mengganti filter dryer
Replacing the filter dryer
b
Membersihkan kisi evaporator
Cleaning the evaporator fins
c
Merapikan kabel panel
Tidying the panel wiring
d
Mengencangkan baut dudukan motor
Tightening the motor mounting bolts
Grade
Ungraded
Last Update
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Question
3147
Salah satu fungsi utama Fan Coil Unit (FCU) pada sistem tata udara kapal adalah...
One of the main functions of a Fan Coil Unit (FCU) in a shipboard air-conditioning system is to...
Options
a
Menciptakan kondisi udara yang nyaman, bersih, dan segar di ruang akomodasi
Create comfortable, clean, and fresh air conditions in accommodation spaces
b
Menurunkan suhu pelumas mesin induk secara langsung
Directly reduce the lubricating oil temperature of the main engine
c
Membuang gas buang dari ruang mesin ke atmosfer
Remove exhaust gas from the engine room to the atmosphere
d
Meningkatkan tekanan udara pada tabung angin
Increase air pressure in the air bottle
Grade
Ungraded
Last Update
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Question
3148
Urutan langkah yang tepat dalam mengoperasikan cold storage adalah...
The correct sequence of steps for operating a cold storage unit is...
Options
a
Memeriksa volume minyak pelumas, memeriksa instalasi listrik, memeriksa ketegangan sabuk, memeriksa kondisi lingkungan mesin, lalu menekan saklar ON
Checking the lubricating oil level, checking the electrical installation, checking belt tension, checking the surrounding machine condition, then pressing the ON switch
b
Menekan saklar ON, memeriksa instalasi listrik, memeriksa ketegangan sabuk, memeriksa volume minyak pelumas, lalu memeriksa kondisi lingkungan mesin
Pressing the ON switch, checking the electrical installation, checking belt tension, checking the lubricating oil level, then checking the surrounding machine condition
c
Memeriksa instalasi listrik, menekan saklar ON, memeriksa volume minyak pelumas, memeriksa ketegangan sabuk, lalu memeriksa kondisi lingkungan mesin
Checking the electrical installation, pressing the ON switch, checking the lubricating oil level, checking belt tension, then checking the surrounding machine condition
d
Memeriksa ketegangan sabuk, memeriksa kondisi lingkungan mesin, memeriksa instalasi listrik, memeriksa volume minyak pelumas, lalu menekan saklar ON
Checking belt tension, checking the surrounding machine condition, checking the electrical installation, checking the lubricating oil level, then pressing the ON switch
Grade
Ungraded
Last Update
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Question
3149
Pada lemari pendingin, tempat yang paling tepat untuk menyimpan sayur-sayuran adalah...
In a refrigerator, the most appropriate place to store vegetables is...
Options
a
Kotak paling bawah
The bottom compartment
b
Rak paling atas
The top shelf
c
Kotak pembeku
The freezer compartment
d
Rak pintu bagian atas
The upper door shelf
Grade
Ungraded
Last Update
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Question
3150
Jika daging membeku kuat di ruang pembeku hingga sulit diambil, tindakan paling aman adalah...
If meat becomes firmly frozen in the freezer compartment and is difficult to remove, the safest action is to...
Options
a
Mematikan lemari pendingin terlebih dahulu agar es mencair
Turn off the refrigerator first so the ice can melt
b
Menarik daging sekuat tenaga sampai terlepas
Pull the meat out with great force
c
Memukul daging agar terlepas dari permukaan
Hit the meat so it comes loose
d
Mencungkil daging dengan benda tajam
Pry the meat out with a sharp object
Grade
Ungraded
Last Update
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