Question
1291
Mengapa area yang terhalang struktur internal perlu diperhitungkan dalam desain COW?
Why must areas obstructed by internal structures be taken into account in COW design?
Options
a
Karena bayangan semprotan dapat menyebabkan sebagian permukaan tidak tercuci memadai.
Because spray shadowing may cause some surfaces to be inadequately cleaned.
b
Karena struktur internal selalu menurunkan kapasitas tangki slop.
Because internal structures always reduce slop tank capacity.
c
Karena struktur internal menambah kadar air dalam minyak mentah.
Because internal structures increase the water content in crude oil.
d
Karena struktur internal membuat inert gas tidak dapat masuk ke tangki.
Because internal structures prevent inert gas from entering the tank.
Grade
Ungraded
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Question
1292
Apa manfaat penggunaan prosedur tetap untuk pembukaan dan penutupan katup saat COW?
What is the benefit of using fixed procedures for opening and closing valves during COW?
Options
a
Mengurangi risiko salah alir, tekanan berlebih, dan kesalahan operasi.
It reduces the risk of misrouting, overpressure, and operational errors.
b
Mempercepat kenaikan kadar oksigen di dalam tangki.
It speeds up the increase of oxygen level in the tank.
c
Menghilangkan kebutuhan komunikasi antarbagian.
It eliminates the need for communication between departments.
d
Membuat pompa stripping tidak lagi diperlukan.
It makes stripping pumps no longer necessary.
Grade
Ungraded
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Question
1293
Mengapa portable tank cleaning machine harus diperiksa sambungan dan pengikatnya sebelum dipakai?
Why must a portable tank cleaning machine have its connections and fastenings checked before use?
Options
a
Untuk mencegah lepasnya alat atau kebocoran minyak selama operasi bertekanan.
To prevent the equipment from coming loose or oil leaking during pressurized operation.
b
Untuk meningkatkan suhu minyak mentah di dalam pipa.
To increase the temperature of crude oil in the pipeline.
c
Untuk memudahkan alat berputar tanpa suplai minyak.
To make the machine rotate more easily without oil supply.
d
Untuk mengurangi kebutuhan pencatatan di logbook.
To reduce the need for entries in the logbook.
Grade
Ungraded
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Question
1294
Apa tujuan utama pengaturan sektor pada mesin pencuci yang dapat diprogram?
What is the main purpose of sector setting on a programmable washing machine?
Options
a
Mengarahkan semprotan ke area yang memerlukan pembersihan lebih efektif sesuai bentuk tangki.
To direct the spray to areas requiring more effective cleaning according to tank shape.
b
Membatasi operasi hanya pada tangki slop.
To limit operations only to slop tanks.
c
Mengurangi kebutuhan inert gas menjadi nol.
To reduce the need for inert gas to zero.
d
Meningkatkan kecepatan kapal saat pelayaran ballast.
To increase ship speed during ballast voyages.
Grade
Ungraded
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Question
1295
Mengapa seorang mualim jaga perlu memahami manual COW meskipun operasi dikendalikan dari CCR?
Why does an officer of the watch need to understand the COW manual even though the operation is controlled from the CCR?
Options
a
Karena pengawasan keselamatan, koordinasi dek, dan respons terhadap kondisi abnormal tetap menjadi tanggung jawab operasional kapal.
Because safety supervision, deck coordination, and response to abnormal conditions remain part of the ship’s operational responsibility.
b
Karena hanya mualim jaga yang boleh menyalakan pompa dari ruang mesin.
Because only the officer of the watch is allowed to start pumps from the engine room.
c
Karena manual COW hanya berisi informasi navigasi di pelabuhan.
Because the COW manual only contains navigation information in port.
d
Karena CCR tidak terlibat sama sekali dalam operasi muatan.
Because the CCR is not involved at all in cargo operations.
Grade
Ungraded
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Question
1296
Apa tindakan yang paling tepat jika selama COW tekanan sistem turun jauh dari nilai kerja yang ditetapkan?
What is the most appropriate action if system pressure drops far below the set working value during COW?
Options
a
Menghentikan atau menyesuaikan operasi lalu menyelidiki penyebabnya sebelum melanjutkan.
Stop or adjust the operation and investigate the cause before continuing.
b
Membuka semua katup sekaligus agar tekanan naik sendiri.
Open all valves at once so that pressure rises by itself.
c
Menaikkan kadar oksigen tangki untuk mempercepat aliran.
Increase tank oxygen content to accelerate flow.
d
Mengabaikannya selama mesin pencuci masih berputar.
Ignore it as long as the washing machine is still rotating.
Grade
Ungraded
Last Update
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Question
1297
Mengapa kebersihan dasar tangki sangat penting setelah COW dan stripping?
Why is cleanliness of the tank bottom very important after COW and stripping?
Options
a
Karena residu yang tertinggal dapat memengaruhi muatan berikutnya dan menambah risiko pencemaran.
Because remaining residues may affect the next cargo and increase the risk of pollution.
b
Karena dasar tangki selalu menjadi sumber inert gas utama.
Because the tank bottom is always the main source of inert gas.
c
Karena residu dasar tangki meningkatkan kecepatan kapal.
Because bottom residues increase ship speed.
d
Karena kebersihan dasar tangki hanya berpengaruh pada tangki ballast.
Because tank bottom cleanliness only affects ballast tanks.
Grade
Ungraded
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Question
1298
Apa tujuan utama pelatihan COW bagi perwira dek tingkat third officer?
What is the main purpose of COW training for a deck officer at the third officer level?
Options
a
Agar memahami prinsip, bahaya, pengawasan, dan kepatuhan operasi pencucian tangki minyak mentah.
To understand the principles, hazards, supervision, and compliance requirements of crude oil tank washing operations.
b
Agar dapat menggantikan seluruh fungsi kepala kamar mesin.
To replace all the functions of the chief engineer.
c
Agar dapat menghapus kewajiban dokumentasi MARPOL.
To eliminate the obligation for MARPOL documentation.
d
Agar hanya fokus pada perawatan alat navigasi selama bongkar muatan.
To focus only on maintaining navigational equipment during cargo discharge.
Grade
Ungraded
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Question
1299
Apa yang harus dipastikan terhadap alat ukur oksigen sebelum digunakan untuk mendukung operasi COW?
What must be ensured regarding the oxygen measuring instrument before using it to support COW operations?
Options
a
Alat telah diperiksa fungsinya dan siap memberikan pembacaan yang andal.
The instrument has been function-checked and is ready to provide reliable readings.
b
Alat cukup dibersihkan dari luar tanpa perlu uji fungsi.
The instrument only needs external cleaning without any functional test.
c
Alat hanya boleh digunakan setelah semua tangki dibuka.
The instrument may only be used after all tanks are opened.
d
Alat tidak diperlukan jika pompa kargo bekerja normal.
The instrument is unnecessary if the cargo pump is working normally.
Grade
Ungraded
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Question
1300
Mengapa posisi pemasangan mesin pencuci tetap harus sesuai gambar rencana yang disetujui?
Why must the installation position of fixed washing machines follow the approved plan drawings?
Options
a
Karena cakupan semprotan dan efektivitas pencucian bergantung pada lokasi pemasangan yang benar.
Because spray coverage and cleaning effectiveness depend on correct installation location.
b
Karena posisi alat hanya memengaruhi warna penandaan pipa.
Because the position of the machine only affects pipe marking color.
c
Karena semua posisi pemasangan memberi hasil yang sama.
Because all installation positions give the same result.
d
Karena lokasi alat tidak berpengaruh jika tekanan pompa tinggi.
Because location does not matter if pump pressure is high.
Grade
Ungraded
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