Question
1281
Apa fungsi cooling jacket pada cylinder block?
What is the function of the cooling jacket in the cylinder block?
Options
a
Menyalurkan cairan pendingin untuk menyerap panas dari dinding silinder
To carry coolant that absorbs heat from the cylinder walls
b
Menampung bahan bakar sebelum dipompa
To store fuel before pumping
c
Menyalurkan udara start ke ruang bakar
To deliver starting air to the combustion chamber
d
Mengumpulkan gas buang dari manifold
To collect exhaust gas from the manifold
Grade
Ungraded
Last Update
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Question
1282
Apa fungsi ruang crankcase pada mesin?
What is the function of the crankcase in the engine?
Options
a
Menjadi rumah poros engkol dan menampung minyak lumas
To house the crankshaft and hold lubricating oil
b
Menjadi ruang pembakaran utama
To serve as the main combustion chamber
c
Menjadi tempat penyimpanan bahan bakar harian
To serve as the daily fuel storage space
d
Menjadi saluran air laut pendingin
To serve as the seawater cooling passage
Grade
Ungraded
Last Update
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Question
1283
Apa fungsi utama cylinder liner?
What is the main function of the cylinder liner?
Options
a
Melindungi dinding silinder dan menyediakan permukaan gesek yang dapat diganti
To protect the cylinder wall and provide a replaceable wearing surface
b
Menaikkan tekanan udara di turbocharger
To increase air pressure in the turbocharger
c
Menyaring minyak lumas sebelum masuk bantalan
To filter lubricating oil before it enters the bearings
d
Mengatur putaran poros baling-baling
To regulate propeller shaft speed
Grade
Ungraded
Last Update
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Question
1284
Tanda yang mungkin muncul jika cylinder liner retak adalah?
What sign may appear if the cylinder liner cracks?
Options
a
Kehilangan kompresi atau kebocoran pendingin ke dalam silinder
Loss of compression or coolant leakage into the cylinder
b
Konsumsi bahan bakar turun drastis tanpa sebab lain
Fuel consumption drops drastically without another cause
c
Temperatur gas buang semua silinder menjadi sama persis
Exhaust gas temperature of all cylinders becomes exactly the same
d
Tekanan udara start meningkat terus saat mesin berhenti
Starting air pressure keeps increasing while the engine is stopped
Grade
Ungraded
Last Update
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Question
1285
Keuntungan penggunaan cylinder liner yang dapat diganti adalah?
What is the advantage of using a replaceable cylinder liner?
Options
a
Perawatan dan overhaul lebih mudah tanpa mengganti seluruh blok
Maintenance and overhaul are easier without replacing the whole block
b
Putaran mesin menjadi selalu lebih tinggi
Engine speed always becomes higher
c
Tidak memerlukan sistem pelumasan
No lubrication system is required
d
Kebutuhan pendinginan menjadi hilang
Cooling requirements disappear
Grade
Ungraded
Last Update
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Question
1286
Bagaimana cara umum memeriksa keausan cylinder liner?
How is cylinder liner wear commonly checked?
Options
a
Mengukur diameter dan ovalitas liner pada beberapa posisi
By measuring liner diameter and ovality at several positions
b
Melihat warna cat blok mesin dari luar
By looking at the paint color of the engine block from outside
c
Mengukur tinggi cerobong gas buang
By measuring the height of the exhaust funnel
d
Menimbang service tank sebelum jaga
By weighing the service tank before watchkeeping
Grade
Ungraded
Last Update
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Question
1287
Apa fungsi utama piston?
What is the main function of the piston?
Options
a
Menerima tekanan pembakaran dan meneruskannya ke connecting rod
To receive combustion pressure and transmit it to the connecting rod
b
Menyemprotkan bahan bakar ke ruang bakar
To spray fuel into the combustion chamber
c
Membuka dan menutup katup buang
To open and close the exhaust valve
d
Mengatur tekanan minyak lumas di sump tank
To regulate lubricating oil pressure in the sump tank
Grade
Ungraded
Last Update
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Question
1288
Apa fungsi compression ring pada piston?
What is the function of the compression ring on the piston?
Options
a
Menahan kebocoran gas pembakaran dan menjaga kompresi
To prevent combustion gas leakage and maintain compression
b
Menyaring bahan bakar sebelum injeksi
To filter fuel before injection
c
Menggerakkan camshaft dari crankshaft
To drive the camshaft from the crankshaft
d
Membuang sludge ke tangki limbah
To discharge sludge into the waste tank
Grade
Ungraded
Last Update
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By -
Question
1289
Apa fungsi oil ring pada piston?
What is the function of the oil ring on the piston?
Options
a
Mengontrol jumlah minyak lumas pada dinding liner
To control the amount of lubricating oil on the liner wall
b
Menaikkan temperatur ruang bakar
To increase combustion chamber temperature
c
Menyuplai udara bilas ke bawah piston
To supply scavenging air beneath the piston
d
Menahan putaran flywheel saat start
To restrain flywheel rotation during starting
Grade
Ungraded
Last Update
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Question
1290
Apa fungsi piston pin atau gudgeon pin?
What is the function of the piston pin or gudgeon pin?
Options
a
Menghubungkan piston dengan connecting rod
To connect the piston to the connecting rod
b
Menghubungkan crankshaft dengan flywheel
To connect the crankshaft to the flywheel
c
Menghubungkan katup buang dengan camshaft
To connect the exhaust valve to the camshaft
d
Menghubungkan injektor dengan pipa tekanan tinggi
To connect the injector to the high-pressure pipe
Grade
Ungraded
Last Update
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