Question
2751
Salah satu manfaat utama refrigerasi terhadap persediaan makanan di kapal adalah…
One of the main benefits of refrigeration for food supplies on board is…
Options
a
Mencegah kerusakan bahan makanan sehingga tetap layak konsumsi.
Preventing food spoilage so that it remains fit for consumption.
b
Mempercepat pemasakan makanan di galley.
Speeding up cooking in the galley.
c
Mengurangi kebutuhan air tawar untuk memasak.
Reducing the need for fresh water for cooking.
d
Meningkatkan daya tahan cat pada ruang provisi.
Improving the durability of paint in the provision room.
Grade
Ungraded
Last Update
-
By -
Question
2752
Pada kapal yang mengangkut muatan beku, kegagalan sistem refrigerasi dapat menyebabkan…
On a ship carrying frozen cargo, failure of the refrigeration system may cause…
Options
a
Penurunan mutu muatan dan potensi klaim kerusakan cargo.
Deterioration of cargo quality and possible cargo damage claims.
b
Turunnya tinggi metasentra kapal secara langsung.
A direct reduction in the ship’s metacentric height.
c
Meningkatnya putaran propeller secara otomatis.
An automatic increase in propeller speed.
d
Berubahnya haluan pelayaran tanpa perintah.
A change in the ship’s course without command.
Grade
Ungraded
Last Update
-
By -
Question
2753
Dalam proses produksi di kapal penangkap ikan, sistem refrigerasi digunakan untuk…
In the production process on a fishing vessel, the refrigeration system is used for…
Options
a
Pendinginan atau pembekuan produk agar kualitas hasil tangkapan terjaga.
Cooling or freezing products so that the quality of the catch is maintained.
b
Meningkatkan suhu ruang mesin agar mesin mudah dihidupkan.
Raising engine room temperature to make engines easier to start.
c
Mempercepat sirkulasi air ballast ke tangki.
Speeding up ballast water circulation to the tanks.
d
Menurunkan viskositas bahan bakar sebelum pemurnian.
Reducing fuel viscosity before purification.
Grade
Ungraded
Last Update
-
By -
Question
2754
Dalam siklus kompresi uap, kompresor berfungsi untuk…
In a vapour-compression cycle, the compressor functions to…
Options
a
Menghisap uap refrigeran bertekanan rendah dari evaporator lalu menaikkan tekanannya.
Draw low-pressure refrigerant vapour from the evaporator and raise its pressure.
b
Mengubah refrigeran cair menjadi padat sebelum masuk kondensor.
Change liquid refrigerant into solid before entering the condenser.
c
Menurunkan tekanan refrigeran sebelum masuk evaporator.
Reduce refrigerant pressure before entering the evaporator.
d
Mengumpulkan minyak pelumas dari receiver cair.
Collect lubricating oil from the liquid receiver.
Grade
Ungraded
Last Update
-
By -
Question
2755
Pada evaporator, refrigeran menyerap panas dan mengalami…
In the evaporator, the refrigerant absorbs heat and undergoes…
Options
a
Penguapan dari cairan bertekanan rendah menjadi uap.
Evaporation from a low-pressure liquid into vapour.
b
Pengembunan dari uap menjadi cairan.
Condensation from vapour into liquid.
c
Kompresi dari tekanan tinggi menjadi rendah.
Compression from high pressure to low pressure.
d
Pemanasan lanjut sampai menjadi padat.
Further heating until it becomes solid.
Grade
Ungraded
Last Update
-
By -
Question
2756
Fungsi utama kondensor dalam sistem refrigerasi adalah…
The main function of the condenser in a refrigeration system is to…
Options
a
Membuang panas dari refrigeran sehingga uap berubah menjadi cair.
Reject heat from the refrigerant so that the vapour changes into liquid.
b
Menyerap panas dari ruang pendingin agar suhu turun.
Absorb heat from the refrigerated space so that the temperature falls.
c
Menaikkan tekanan refrigeran sebelum dikompresi.
Raise refrigerant pressure before compression.
d
Mencampur oli pelumas dengan refrigeran.
Mix lubricating oil with the refrigerant.
Grade
Ungraded
Last Update
-
By -
Question
2757
Setelah melewati katup ekspansi, kondisi refrigeran umumnya menjadi…
After passing through the expansion valve, the refrigerant generally becomes…
Options
a
Cairan bertekanan rendah dengan sebagian mulai menguap.
A low-pressure liquid with part of it starting to evaporate.
b
Uap bertekanan tinggi dan bersuhu tinggi.
High-pressure, high-temperature vapour.
c
Cairan bertekanan tinggi dan bersuhu tinggi.
High-pressure, high-temperature liquid.
d
Gas jenuh bertekanan tinggi menuju kondensor.
High-pressure saturated gas flowing to the condenser.
Grade
Ungraded
Last Update
-
By -
Question
2758
Pada bagian sistem refrigerasi yang melepaskan panas ke media pendingin adalah…
The part of the refrigeration system that releases heat to the cooling medium is the…
Options
a
Kondensor.
Condenser.
b
Evaporator.
Evaporator.
c
Katup solenoid.
Solenoid valve.
d
Filter drier.
Filter drier.
Grade
Ungraded
Last Update
-
By -
Question
2759
Tekanan refrigeran paling tinggi dalam siklus kompresi uap terdapat pada sisi…
The highest refrigerant pressure in a vapour-compression cycle is found on the…
Options
a
Keluar kompresor sampai sebelum katup ekspansi.
Compressor discharge side up to the expansion valve.
b
Keluar evaporator sampai masuk kompresor.
Evaporator outlet to compressor inlet side.
c
Setelah katup ekspansi sampai masuk evaporator.
Section after the expansion valve to evaporator inlet.
d
Saluran defrost sampai pipa pembuangan kondensat.
Defrost line to condensate drain line.
Grade
Ungraded
Last Update
-
By -
Question
2760
Tujuan penurunan tekanan pada katup ekspansi adalah…
The purpose of pressure reduction at the expansion valve is to…
Options
a
Menurunkan titik didih refrigeran agar dapat menguap di evaporator.
Lower the refrigerant boiling point so that it can evaporate in the evaporator.
b
Menaikkan titik embun refrigeran agar cepat mengembun di evaporator.
Raise the refrigerant dew point so that it condenses quickly in the evaporator.
c
Menambah jumlah oli pelumas yang ikut bersirkulasi.
Increase the amount of lubricating oil circulating in the system.
d
Mengurangi kapasitas kondensor dalam membuang panas.
Reduce condenser heat-rejection capacity.
Grade
Ungraded
Last Update
-
By -