Question
2401
Fungsi sekat kedap cairan longitudinal pada tangki fully refrigerated adalah:
What is the function of longitudinal liquid-tight bulkheads in fully refrigerated tanks?
Options
a
Mengurangi efek permukaan bebas
To reduce free surface effect
b
Mempercepat boil-off gas
To accelerate boil-off gas
c
Menambah kadar air dalam muatan
To increase water content in the cargo
d
Menggantikan pompa muatan
To replace cargo pumps
Grade
Ungraded
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Question
2402
Jenis tangki yang umum digunakan untuk muatan LPG pada kapal fully refrigerated adalah:
What type of tank is commonly used for LPG cargo on fully refrigerated ships?
Options
a
Tangki prismatik tipe A
Prismatic type A tanks
b
Tangki membran murni
Pure membrane tanks
c
Tangki integral tanpa insulasi
Integral tanks without insulation
d
Tangki ballast samping
Side ballast tanks
Grade
Ungraded
Last Update
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Question
2403
Mengapa baja 9 persen nikel, aluminium, atau baja tahan karat digunakan untuk LNG?
Why are 9 percent nickel steel, aluminium, or stainless steel used for LNG?
Options
a
Karena memiliki ketangguhan yang baik pada suhu sangat rendah
Because they have good toughness at very low temperature
b
Karena selalu lebih murah dari baja karbon
Because they are always cheaper than carbon steel
c
Karena tidak memerlukan prosedur pengelasan
Because they do not require welding procedures
d
Karena menambah tekanan uap muatan
Because they increase cargo vapour pressure
Grade
Ungraded
Last Update
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Question
2404
Mengapa kapal semi-pressurized atau semi-refrigerated sering dilengkapi reliquefaction plant?
Why are semi-pressurized or semi-refrigerated ships often fitted with a reliquefaction plant?
Options
a
Untuk menjaga tekanan muatan tetap dalam batas kerja
To keep cargo pressure within working limits
b
Untuk memanaskan muatan sebelum bongkar
To heat the cargo before discharge
c
Untuk menghilangkan kebutuhan kompresor
To eliminate the need for compressors
d
Untuk menambah kadar oksigen dalam muatan
To increase oxygen content in the cargo
Grade
Ungraded
Last Update
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Question
2405
Pada kapal LPG kecil, tangki bertekanan penuh umumnya berbentuk:
On small LPG carriers, fully pressurized tanks are generally:
Options
a
Silinder horizontal
Horizontal cylinders
b
Prisma vertikal
Vertical prisms
c
Membran datar
Flat membranes
d
Setengah bola
Half spheres
Grade
Ungraded
Last Update
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Question
2406
Tangki bilobe dipilih pada beberapa desain kapal LPG untuk:
Bilobe tanks are selected in some LPG ship designs to:
Options
a
Meningkatkan pemanfaatan ruang di bawah geladak
Improve the use of under-deck space
b
Menghilangkan kebutuhan insulasi
Eliminate the need for insulation
c
Mengurangi seluruh kebutuhan penyangga
Remove the need for supports entirely
d
Menambah tekanan desain tanpa kompresor
Increase design pressure without compressors
Grade
Ungraded
Last Update
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Question
2407
Tangki prismatik tipe A didesain agar efek berikut dapat dikurangi:
Prismatic type A tanks are designed to reduce which effect?
Options
a
Efek permukaan bebas
Free surface effect
b
Efek magnet kompas
Magnetic compass effect
c
Efek squat saat olah gerak
Squat effect during manoeuvring
d
Efek angin pada anjungan
Wind effect on the bridge
Grade
Ungraded
Last Update
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Question
2408
Mengapa tangki tipe C sering dipilih untuk kapal LPG kecil dan menengah?
Why are type C tanks often selected for small and medium LPG carriers?
Options
a
Karena mampu menahan tekanan muatan yang lebih tinggi
Because they can withstand higher cargo pressure
b
Karena selalu lebih ringan dari semua tipe lain
Because they are always lighter than all other types
c
Karena tidak memerlukan penyangga sama sekali
Because they require no supports at all
d
Karena dapat menjadi bagian struktur lambung
Because they can form part of the hull structure
Grade
Ungraded
Last Update
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Question
2409
Apa yang dimaksud dengan boil-off gas?
What is boil-off gas?
Options
a
Uap yang terbentuk akibat masuknya panas ke muatan cair kriogenik
Vapour formed due to heat ingress into cryogenic liquid cargo
b
Gas buang dari kamar mesin utama
Exhaust gas from the main engine
c
Uap air dari tangki ballast
Water vapour from ballast tanks
d
Udara tekan dari kompresor dek
Compressed air from deck compressors
Grade
Ungraded
Last Update
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Question
2410
Fungsi utama reliquefaction plant pada kapal LPG adalah:
What is the main function of the reliquefaction plant on an LPG carrier?
Options
a
Mengembunkan kembali uap muatan menjadi cair
To condense cargo vapour back into liquid
b
Membakar semua uap muatan di insinerator
To burn all cargo vapour in the incinerator
c
Mengisi ballast ke tangki muatan
To fill ballast into the cargo tank
d
Menaikkan suhu tangki sebelum pemuatan
To increase tank temperature before loading
Grade
Ungraded
Last Update
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