Question
11
Bagaimana sistem injeksi langsung pada mesin diesel berbeda dari sistem injeksi tidak langsung?
How does a direct injection system in a diesel engine differ from an indirect injection system?
Options
a
Bahan bakar disemprotkan langsung ke dalam ruang bakar
Fuel is sprayed directly into the combustion chamber
b
Tidak menggunakan bahan bakar diesel
It does not use diesel fuel
c
Tidak ada perbedaan
There is no difference
d
Injektor tidak terlibat
The injector is not involved
Grade
Ungraded
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Question
12
Alat apa yang digunakan untuk mengukur tekanan udara pada mesin diesel?
What instrument is used to measure air pressure in a diesel engine?
Options
a
Manometer
Manometer
b
Tachometer
Tachometer
c
Amperemeter
Ammeter
d
Voltmeter
Voltmeter
Grade
Ungraded
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Question
13
Pada kecepatan menengah, mesin diesel biasanya bekerja pada rentang putaran mesin sekitar:
At medium speed, a diesel engine usually operates within an engine speed range of:
Options
a
1000-2000 RPM
1000-2000 RPM
b
2000-3000 RPM
2000-3000 RPM
c
100-500 RPM
100-500 RPM
d
500-1000 RPM
500-1000 RPM
Grade
Ungraded
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Question
14
Bagaimana mekanisme kerja sistem pendingin pada mesin diesel?
How does the cooling system work in a diesel engine?
Options
a
Menggunakan cairan pendingin untuk mengatur suhu
It uses coolant to regulate temperature
b
Menggunakan minyak pelumas untuk mendinginkan mesin
It uses lubricating oil to cool the engine
c
Menggunakan udara untuk mendinginkan mesin
It uses air to cool the engine
d
Menggunakan bahan bakar untuk mengatur suhu
It uses fuel to regulate temperature
Grade
Ungraded
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Question
15
Apa yang dimaksud dengan "overheating" pada mesin diesel?
What is meant by overheating in a diesel engine?
Options
a
Mesin bekerja pada suhu yang terlalu tinggi
The engine operates at an excessively high temperature
b
Mesin tidak bekerja sama sekali
The engine does not operate at all
c
Mesin bekerja pada suhu normal
The engine operates at a normal temperature
d
Mesin bekerja pada suhu yang terlalu rendah
The engine operates at an excessively low temperature
Grade
Ungraded
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Question
16
Apa manfaat dari sistem intercooler pada mesin diesel yang dilengkapi dengan turbocharger?
What is the benefit of an intercooler system in a turbocharged diesel engine?
Options
a
Menjaga suhu mesin tetap rendah
To keep the engine temperature low
b
Meningkatkan daya mesin
To increase engine power
c
Mengurangi konsumsi bahan bakar
To reduce fuel consumption
d
Meningkatkan tekanan udara masuk ke mesin
To increase the pressure of the intake air
Grade
Ungraded
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Question
17
Apa yang dimaksud dengan "torque" pada mesin diesel?
What is meant by torque in a diesel engine?
Options
a
Tenaga maksimum mesin
Maximum engine power
b
Jumlah bahan bakar yang dikonsumsi mesin
The amount of fuel consumed by the engine
c
Jumlah udara yang masuk ke dalam mesin
The amount of air entering the engine
d
Kecepatan maksimum mesin
Maximum engine speed
Grade
Ungraded
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Question
18
Pada sistem injeksi bahan bakar elektronik pada mesin diesel, apa yang mengontrol waktu dan jumlah bahan bakar yang disemprotkan?
In an electronically controlled fuel injection system on a diesel engine, what controls the timing and quantity of fuel injection?
Options
a
ECU (Engine Control Unit)
ECU (Engine Control Unit)
b
Turbocharger
Turbocharger
c
Katup gas buang
Exhaust valve
d
Karburator
Carburetor
Grade
Ungraded
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Question
19
Apa yang menyebabkan suara karakteristik "ketukan" pada mesin diesel?
What causes the characteristic knocking sound in a diesel engine?
Options
a
Penyalaan bahan bakar yang terlalu lambat
Fuel ignition that occurs too slowly
b
Peredaman suara yang buruk
Poor sound insulation
c
Penyalaan bahan bakar yang tepat
Proper fuel ignition
d
Kinerja turbocharger yang buruk
Poor turbocharger performance
Grade
Ungraded
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Question
20
Pada mesin diesel, apa yang dimaksud dengan "black smoke" pada gas buang?
What is meant by black smoke in diesel engine exhaust gas?
Options
a
Gas buang berwarna hitam karena bahan bakar terlalu banyak
Black exhaust gas caused by too much fuel
b
Gas buang berwarna hitam karena oli pelumas terbakar
Black exhaust gas caused by burning lubricating oil
c
Gas buang berwarna hitam karena udara terlalu banyak
Black exhaust gas caused by too much air
d
Gas buang berwarna hitam karena bahan bakar terlalu sedikit
Black exhaust gas caused by too little fuel
Grade
Ungraded
Last Update
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