Question
2841
Tujuan utama pemisahan ruang pendingin berdasarkan jenis bahan makanan di kapal adalah…
The main purpose of separating cold rooms according to the type of food on board is to…
Options
a
Menyesuaikan suhu penyimpanan dan mencegah kontaminasi silang.
Match storage temperatures and prevent cross-contamination.
b
Memudahkan penambahan ballast ke double bottom.
Facilitate ballast addition to the double bottom.
c
Mengurangi kebutuhan alat pemadam kebakaran portabel.
Reduce the need for portable fire extinguishers.
d
Menaikkan suhu seluruh ruang provisi secara bersamaan.
Raise the temperature of all provision rooms at the same time.
Grade
Ungraded
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Question
2842
Saat kapal memuat muatan beku, pengaturan suhu ruang muat sebaiknya…
When the ship is carrying frozen cargo, cargo space temperature should…
Options
a
Sesuai instruksi muatan dan dijaga stabil selama pelayaran.
Follow the cargo instructions and be maintained steadily throughout the voyage.
b
Disamakan dengan suhu udara luar agar hemat energi.
Be made the same as outside air temperature to save energy.
c
Dinaikkan saat malam hari dan diturunkan siang hari tanpa dasar teknis.
Be raised at night and lowered in daytime without technical basis.
d
Dibiarkan berubah mengikuti suhu kamar mesin.
Be allowed to vary with engine room temperature.
Grade
Ungraded
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Question
2843
Pemeriksaan rutin gasket pintu ruang dingin penting karena kebocoran pada pintu dapat…
Routine inspection of the cold room door gasket is important because leakage at the door can…
Options
a
Menambah masuknya panas dan kelembapan ke ruang pendingin.
Increase the entry of heat and moisture into the refrigerated space.
b
Menurunkan tekanan oli kompresor secara langsung.
Directly reduce compressor oil pressure.
c
Membuat receiver cair menjadi vakum.
Cause the liquid receiver to go into vacuum.
d
Menyebabkan air laut masuk ke evaporator.
Cause seawater to enter the evaporator.
Grade
Ungraded
Last Update
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Question
2844
Apabila ruang pendingin terlalu lembap, salah satu akibat yang mungkin timbul adalah…
If the refrigerated space is too humid, one possible consequence is…
Options
a
Pembentukan bunga es lebih cepat pada evaporator dan produk.
Frost formation will occur more quickly on the evaporator and products.
b
Tekanan buang turun ke nol absolut.
Discharge pressure will fall to absolute zero.
c
Refrigeran berubah menjadi oli pelumas.
The refrigerant will turn into lubricating oil.
d
Kondensor tidak memerlukan pendinginan lagi.
The condenser will no longer require cooling.
Grade
Ungraded
Last Update
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Question
2845
Dalam pengoperasian instalasi refrigerasi kapal, personel jaga harus segera menindaklanjuti bila terdengar alarm pengaman karena…
In the operation of a shipboard refrigeration plant, watchkeeping personnel must respond immediately when a safety alarm sounds because…
Options
a
Alarm tersebut dapat menandakan kondisi yang berpotensi merusak sistem atau muatan.
The alarm may indicate a condition that can damage the system or the cargo.
b
Alarm hanya berfungsi sebagai pengingat pergantian jaga.
The alarm only serves as a watch handover reminder.
c
Alarm tidak berhubungan dengan keselamatan permesinan.
The alarm is unrelated to machinery safety.
d
Alarm akan hilang sendiri tanpa perlu pemeriksaan.
The alarm will disappear by itself without any inspection.
Grade
Ungraded
Last Update
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Question
2846
Uap basah dapat ditentukan secara lengkap jika diketahui ...
Wet steam can be completely specified if the following are known ...
Options
a
tekanan dan fraksi kekeringan
pressure and dryness fraction
b
tekanan saja
pressure only
c
temperatur saja
temperature only
d
fraksi kekeringan saja
dryness fraction only
Grade
Ungraded
Last Update
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Question
2847
Pada Mollier chart, garis tekanan konstan umumnya ...
On the Mollier chart, constant-pressure lines generally ...
Options
a
menyebar dari kiri ke kanan
diverge from left to right
b
menyebar dari kanan ke kiri
diverge from right to left
c
naik lalu turun secara simetris
rise and then fall symmetrically
d
selalu sejajar dengan garis entropi
always remain parallel to entropy lines
Grade
Ungraded
Last Update
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Question
2848
Pada titik kritis air-uap, kalor laten penguapan bernilai ...
At the critical point of water-steam, the latent heat of vaporization is ...
Options
a
nol
zero
b
maksimum
maximum
c
minimum tetapi tidak nol
minimum but not zero
d
bergantung hanya pada volume spesifik
dependent only on specific volume
Grade
Ungraded
Last Update
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Question
2849
Sifat air dan uap menjadi identik pada tekanan sekitar ...
The properties of water and steam become identical at a pressure of about ...
Options
a
225,6 kg/cm²
225.6 kg/cm²
b
0,1 kg/cm²
0.1 kg/cm²
c
1 kg/cm²
1 kg/cm²
d
100 kg/cm²
100 kg/cm²
Grade
Ungraded
Last Update
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Question
2850
Secara teoritis, ekspansi uap ideal di turbin berlangsung dengan entropi yang ...
Theoretically, ideal steam expansion in a turbine takes place with entropy ...
Options
a
tetap
remaining constant
b
meningkat perlahan
increasing gradually
c
menurun tajam
decreasing sharply
d
berubah acak sesuai beban
changing randomly with load
Grade
Ungraded
Last Update
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