Question
51
Material yang umum digunakan untuk cylinder head adalah?
What material is commonly used for the cylinder head?
Options
a
Besi cor paduan atau baja cor
Alloy cast iron or cast steel
b
Kayu berlapis serat
Wood with fiber layers
c
Karet sintetis
Synthetic rubber
d
Tembaga murni tipis
Thin pure copper
Grade
Ungraded
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Question
52
Apa fungsi katup masuk pada mesin diesel empat langkah?
What is the function of the inlet valve in a four-stroke diesel engine?
Options
a
Membuka jalan masuk udara ke dalam silinder
To open the passage for air entering the cylinder
b
Membuang gas buang ke manifold
To discharge exhaust gases to the manifold
c
Mengatur tekanan minyak lumas di crankcase
To regulate lubricating oil pressure in the crankcase
d
Menyuplai bahan bakar ke pompa transfer
To supply fuel to the transfer pump
Grade
Ungraded
Last Update
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Question
53
Apa fungsi katup buang?
What is the function of the exhaust valve?
Options
a
Mengeluarkan gas hasil pembakaran dari silinder
To discharge combustion gases from the cylinder
b
Memasukkan udara bilas ke service tank
To admit scavenging air into the service tank
c
Mengatur timing injeksi bahan bakar
To regulate fuel injection timing
d
Mendinginkan kepala piston
To cool the piston crown
Grade
Ungraded
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Question
54
Bagaimana cylinder head dipasang pada blok mesin?
How is the cylinder head attached to the engine block?
Options
a
Dengan stud atau baut pengikat yang dikencangkan sesuai torsi
With studs or bolts tightened to the specified torque
b
Dengan paku keling permanen
With permanent rivets
c
Dengan lem tahan panas
With heat-resistant glue
d
Dengan sabuk penggerak
With a driving belt
Grade
Ungraded
Last Update
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Question
55
Apa fungsi gasket antara cylinder head dan blok mesin?
What is the function of the gasket between the cylinder head and the engine block?
Options
a
Mencegah kebocoran gas, pendingin, dan oli pada sambungan
To prevent leakage of gas, coolant, and oil at the joint
b
Menahan piston agar tidak naik terlalu tinggi
To prevent the piston from rising too high
c
Mengatur putaran governor
To regulate governor speed
d
Menyaring bahan bakar sebelum injeksi
To filter fuel before injection
Grade
Ungraded
Last Update
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Question
56
Apa fungsi utama cylinder block?
What is the main function of the cylinder block?
Options
a
Menjadi struktur utama mesin tempat silinder dan komponen utama terpasang
To be the main engine structure where the cylinders and major components are mounted
b
Mengabutkan bahan bakar ke ruang bakar
To atomize fuel into the combustion chamber
c
Mendinginkan udara bilas sebelum masuk silinder
To cool scavenging air before it enters the cylinder
d
Menggerakkan alternator secara langsung
To drive the alternator directly
Grade
Ungraded
Last Update
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Question
57
Bahan yang umum digunakan untuk cylinder block adalah?
What material is commonly used for the cylinder block?
Options
a
Besi cor atau baja cor
Cast iron or cast steel
b
Plastik termal
Thermal plastic
c
Kayu laminasi
Laminated wood
d
Kuningan tipis
Thin brass
Grade
Ungraded
Last Update
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Question
58
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
59
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
60
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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