Question
2381
Apa fungsi safety valve pada tabung udara start?
What is the function of the safety valve on the starting air receiver?
Options
a
Melindungi tabung dari tekanan berlebih
To protect the receiver from overpressure
b
Menambah kapasitas udara start
To increase starting air capacity
c
Mengeringkan udara start secara otomatis
To dry the starting air automatically
d
Mengatur arah putaran mesin induk
To control the direction of main engine rotation
Grade
Ungraded
Last Update
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Question
2382
Mengapa jalur udara start dan tabung udara perlu didrain sebelum pengoperasian?
Why do the starting air line and air receiver need to be drained before operation?
Options
a
Agar air dan kondensat tidak masuk ke silinder atau katup start
So that water and condensate do not enter the cylinder or starting valve
b
Agar bahan bakar lebih mudah terbakar
So that the fuel burns more easily
c
Agar putaran mesin induk meningkat
So that the main engine speed increases
d
Agar suhu udara start menjadi lebih tinggi
So that the temperature of the starting air becomes higher
Grade
Ungraded
Last Update
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Question
2383
Apa fungsi main starting valve dalam sistem starting air?
What is the function of the main starting valve in the starting air system?
Options
a
Membuka dan menutup suplai udara start utama ke manifold start
To open and close the main starting air supply to the starting manifold
b
Mengatur temperatur air pendingin piston
To regulate piston cooling water temperature
c
Menghubungkan pompa bilga ke tabung udara
To connect the bilge pump to the air receiver
d
Mencampur udara start dengan bahan bakar
To mix starting air with fuel
Grade
Ungraded
Last Update
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Question
2384
Apa tujuan interlock turning gear pada mesin induk?
What is the purpose of the turning gear interlock on the main engine?
Options
a
Mencegah mesin di-start saat turning gear masih terpasang
To prevent the engine from being started while the turning gear is still engaged
b
Menjaga tekanan minyak lumas tetap tinggi
To keep lubricating oil pressure high
c
Meningkatkan putaran poros engkol saat manuver
To increase crankshaft speed during maneuvering
d
Memudahkan pembukaan katup buang
To facilitate opening the exhaust valve
Grade
Ungraded
Last Update
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By -
Question
2385
Pada beberapa kapal, sistem udara start juga dapat dipakai untuk keperluan apa?
On some ships, the starting air system may also be used for what purpose?
Options
a
Start mesin bantu berukuran besar
Starting large auxiliary engines
b
Menaikkan temperatur bahan bakar berat
Increasing the temperature of heavy fuel oil
c
Menggerakkan purifier minyak lumas
Driving the lubricating oil purifier
d
Mendinginkan turbocharger saat olah gerak
Cooling the turbocharger during maneuvering
Grade
Ungraded
Last Update
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Question
2386
Apa fungsi utama Fresh Water Jacket Cooling Pump?
What is the main function of the Fresh Water Jacket Cooling Pump?
Options
a
Mensirkulasikan air tawar pendingin melalui jacket silinder
To circulate fresh cooling water through the cylinder jacket
b
Mensirkulasikan bahan bakar dari settling tank ke service tank
To circulate fuel from the settling tank to the service tank
c
Mensirkulasikan udara bilas ke ruang bakar
To circulate scavenge air to the combustion space
d
Mensirkulasikan air laut ke tabung udara start
To circulate seawater to the starting air receiver
Grade
Ungraded
Last Update
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By -
Question
2387
Apa fungsi Jacket Water Cooler?
What is the function of the Jacket Water Cooler?
Options
a
Mendinginkan air tawar pendingin jacket dengan media air laut
To cool jacket fresh water by means of seawater
b
Mendinginkan bahan bakar berat sebelum purifier
To cool heavy fuel oil before the purifier
c
Memanaskan udara bilas sebelum masuk silinder
To heat scavenge air before it enters the cylinder
d
Mendinginkan gas buang di exhaust manifold
To cool exhaust gas in the exhaust manifold
Grade
Ungraded
Last Update
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By -
Question
2388
Apa peran air laut dalam sistem pendingin tertutup mesin induk?
What is the role of seawater in the closed cooling system of the main engine?
Options
a
Sebagai media sekunder untuk menyerap panas di cooler
As a secondary medium to absorb heat in the coolers
b
Sebagai media utama di dalam jacket silinder
As the primary medium inside the cylinder jacket
c
Sebagai pengganti minyak lumas di bantalan
As a replacement for lubricating oil in the bearings
d
Sebagai fluida kerja di dalam silinder
As the working fluid inside the cylinder
Grade
Ungraded
Last Update
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By -
Question
2389
Apa fungsi Jacket Water Header Tank?
What is the function of the Jacket Water Header Tank?
Options
a
Menjadi cadangan air pendingin, tempat ekspansi, dan titik penambahan air
To provide cooling water reserve, expansion space, and a point for water replenishment
b
Menjadi tempat penampungan bahan bakar harian
To serve as a daily fuel storage tank
c
Menjadi tempat pemisahan minyak dan air
To separate oil and water
d
Menjadi tempat penyimpanan udara start
To store starting air
Grade
Ungraded
Last Update
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By -
Question
2390
Apa fungsi steam heating coil pada sistem pendingin air tawar?
What is the function of the steam heating coil in the fresh water cooling system?
Options
a
Memanaskan air pendingin saat pemanasan awal mesin
To heat the cooling water during initial engine warming
b
Mendinginkan air pendingin saat mesin penuh beban
To cool the cooling water when the engine is at full load
c
Memanaskan minyak lumas di purifier
To heat lubricating oil in the purifier
d
Menjaga tekanan udara start tetap stabil
To maintain stable starting air pressure
Grade
Ungraded
Last Update
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