Question
2181
Apa ciri utama light crude oil?
What is the main characteristic of light crude oil?
Options
a
Viskositas relatif rendah dan fraksi ringan lebih banyak
Relatively low viscosity with a higher proportion of light fractions
b
Viskositas sangat tinggi dan mengandung residu berat dominan
Very high viscosity with heavy residue dominating
c
Selalu memiliki titik tuang paling tinggi
It always has the highest pour point
d
Selalu tidak mudah menguap
It is always non-volatile
Grade
Ungraded
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Question
2182
Jenis crude oil apa yang umum menghasilkan base oil pelumas berkualitas dan lilin?
Which type of crude oil commonly yields high-quality lubricating base oil and wax?
Options
a
Paraffinic crude oil
Paraffinic crude oil
b
Naphthenic crude oil
Naphthenic crude oil
c
Sour condensate
Sour condensate
d
Asphaltic residue
Asphaltic residue
Grade
Ungraded
Last Update
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Question
2183
Apa ciri utama aromatic crude atau fraksi kaya aromatik?
What is the main characteristic of aromatic crude or aromatic-rich fractions?
Options
a
Mengandung senyawa aromatik lebih tinggi dan bernilai sebagai bahan pelarut atau bahan antara kimia
They contain more aromatic compounds and are valuable as solvents or chemical intermediates
b
Selalu bebas sulfur dan bebas bau
They are always sulphur-free and odourless
c
Tidak dapat terbakar di udara
They cannot burn in air
d
Selalu memiliki viskositas paling tinggi dari semua crude
They always have the highest viscosity of all crude oils
Grade
Ungraded
Last Update
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Question
2184
Apa pengaruh kandungan wax yang tinggi pada minyak terhadap pour point?
What effect does high wax content generally have on an oil’s pour point?
Options
a
Pour point cenderung lebih tinggi
The pour point tends to be higher
b
Pour point cenderung menjadi nol
The pour point tends to become zero
c
Pour point tidak dipengaruhi sama sekali
The pour point is not affected at all
d
Pour point selalu lebih rendah dari flash point
The pour point is always lower than the flash point
Grade
Ungraded
Last Update
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Question
2185
Apa keuntungan utama muatan dengan RVP rendah?
What is the main advantage of cargo with low RVP?
Options
a
Kehilangan akibat penguapan dan pembentukan uap cenderung lebih kecil
Losses by evaporation and vapour formation tend to be lower
b
Muatan menjadi lebih mudah terbakar
The cargo becomes easier to ignite
c
Tekanan tangki selalu meningkat sangat cepat
Tank pressure always rises very rapidly
d
Muatan lebih mudah bereaksi dengan air
The cargo reacts more easily with water
Grade
Ungraded
Last Update
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Question
2186
Bagaimana hubungan RVP dengan temperatur?
How does RVP relate to temperature?
Options
a
RVP cenderung meningkat ketika temperatur naik
RVP tends to increase as temperature rises
b
RVP cenderung turun ketika temperatur naik
RVP tends to decrease as temperature rises
c
RVP selalu tetap pada setiap temperatur
RVP is always constant at every temperature
d
RVP hanya dipengaruhi oleh ukuran tangki
RVP is affected only by tank size
Grade
Ungraded
Last Update
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Question
2187
Jika vapour density suatu muatan lebih besar dari 1 terhadap udara, apa artinya?
If a cargo vapour density is greater than 1 relative to air, what does it mean?
Options
a
Uap muatan lebih berat dari udara dan cenderung berkumpul di bagian rendah
The cargo vapour is heavier than air and tends to collect in low areas
b
Uap muatan lebih ringan dari udara dan langsung naik ke atas
The cargo vapour is lighter than air and rises immediately
c
Uap muatan pasti tidak mudah terbakar
The cargo vapour is definitely not flammable
d
Uap muatan tidak dapat terdeteksi alat ukur gas
The cargo vapour cannot be detected by gas measuring instruments
Grade
Ungraded
Last Update
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Question
2188
Muatan dengan flash point kurang dari 60°C umumnya dikategorikan sebagai?
Cargo with a flash point below 60°C is generally categorized as?
Options
a
Volatile atau mudah menghasilkan uap mudah menyala
Volatile or liable to produce easily ignitable vapours
b
Non-volatile dan tidak berisiko terbakar
Non-volatile and not a fire risk
c
Drying oil
Drying oil
d
Muatan inert
Inert cargo
Grade
Ungraded
Last Update
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Question
2189
Muatan dengan flash point di atas 60°C umumnya dikategorikan sebagai?
Cargo with a flash point above 60°C is generally categorized as?
Options
a
Non-volatile
Non-volatile
b
Highly volatile
Highly volatile
c
Gas terkompresi
Compressed gas
d
Muatan kriogenik
Cryogenic cargo
Grade
Ungraded
Last Update
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Question
2190
Apa perhatian utama terhadap white oil atau petrokimia bertitik didih rendah dan tekanan uap tinggi selama pelayaran?
What is the main concern with white oils or petrochemicals having low boiling point and high vapour pressure during a voyage?
Options
a
Tekanan dalam tangki dapat meningkat sehingga sistem venting harus bekerja baik
Tank pressure may rise, so the venting system must function properly
b
Muatan pasti membeku di suhu siang hari
The cargo will certainly freeze in daytime temperatures
c
Muatan selalu menjadi tidak beracun saat tekanan naik
The cargo always becomes non-toxic as pressure rises
d
Muatan tidak memerlukan pengukuran temperatur
The cargo does not require temperature measurement
Grade
Ungraded
Last Update
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