Question
2191
Mengapa draft fan dijalankan sebelum pembakaran dimulai?
Why is the draft fan run before combustion starts?
Options
a
Untuk membuang gas sisa pembakaran dari ruang bakar
To remove residual combustible gases from the furnace
b
Untuk menaikkan level air drum
To raise the drum water level
c
Untuk memanaskan bahan bakar di settling tank
To heat the fuel in the settling tank
d
Untuk menurunkan tekanan udara atomisasi
To reduce atomizing air pressure
Grade
Ungraded
Last Update
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Question
2192
Bahan bakar apa yang lazim digunakan pada pembakaran awal steam boiler?
What fuel is commonly used for the initial firing of a steam boiler?
Options
a
MDO melalui burner pilot dengan pengapian elektroda
MDO through the pilot burner with electrode ignition
b
HFO dingin tanpa pemanasan
Cold HFO without heating
c
Minyak lumas bekas dari mesin induk
Used lubricating oil from the main engine
d
Air umpan yang diuapkan di burner
Feed water vaporized in the burner
Grade
Ungraded
Last Update
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Question
2193
Kapan pembakaran lanjutan dengan HFO dapat dilakukan?
When can continued firing with HFO be carried out?
Options
a
Setelah boiler stabil dan temperatur bahan bakar sesuai
After the boiler is stable and the fuel temperature is correct
b
Sebelum burner pilot dinyalakan
Before the pilot burner is ignited
c
Saat tekanan uap masih nol
When the steam pressure is still zero
d
Segera setelah draft fan dijalankan
Immediately after the draft fan is started
Grade
Ungraded
Last Update
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Question
2194
Mengapa prosedur pengoperasian boiler harus diikuti dengan benar?
Why must the boiler operating procedure be followed correctly?
Options
a
Untuk mencegah shutdown dan menjaga operasi tetap aman
To prevent shutdown and keep operation safe
b
Untuk memperbesar ukuran api tanpa batas
To increase flame size without limit
c
Untuk mempercepat kenaikan beban secara mendadak
To accelerate load increase suddenly
d
Untuk mengurangi kebutuhan air umpan
To reduce the need for feed water
Grade
Ungraded
Last Update
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Question
2195
Mengapa suhu bahan bakar harus sesuai manual pabrikan?
Why must the fuel temperature comply with the maker’s manual?
Options
a
Agar viskositas sesuai dan pembakaran menjadi baik
So that the viscosity is correct and combustion becomes proper
b
Agar bahan bakar cepat habis
So that the fuel is consumed more quickly
c
Agar air dalam drum mendidih lebih lambat
So that the water in the drum boils more slowly
d
Agar safety valve jarang bekerja
So that the safety valve operates less often
Grade
Ungraded
Last Update
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By -
Question
2196
Apa fungsi utama panel kontrol boiler?
What is the main function of the boiler control panel?
Options
a
Menyediakan sarana operasi, kontrol, interlock, dan pemantauan boiler
To provide the means for operation, control, interlock, and boiler monitoring
b
Mengatur haluan pelayaran kapal
To control the ship’s course
c
Mengatur pembagian muatan di palka
To control cargo distribution in the hold
d
Mengendalikan pendingin udara akomodasi
To control accommodation air-conditioning
Grade
Ungraded
Last Update
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By -
Question
2197
Mengapa sistem kontrol boiler dilengkapi jaringan alarm?
Why is the boiler control system equipped with an alarm network?
Options
a
Untuk memberi peringatan bila terjadi ketidaknormalan
To provide warning if any abnormal condition occurs
b
Untuk menjaga boiler tetap menyala tanpa operator
To keep the boiler running without an operator
c
Untuk menghilangkan kebutuhan inspeksi rutin
To eliminate the need for routine inspection
d
Untuk mengurangi tekanan uap secara permanen
To permanently reduce steam pressure
Grade
Ungraded
Last Update
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By -
Question
2198
Apa yang dilakukan sistem kontrol jika mendeteksi kondisi darurat pada boiler?
What does the control system do if it detects an emergency condition in the boiler?
Options
a
Boiler dimatikan secara otomatis
The boiler is shut down automatically
b
Boiler tetap berjalan dengan beban rendah
The boiler continues running at low load
c
Alarm dibisukan dan operasi dilanjutkan
The alarm is muted and operation continues
d
Kontrol dipindahkan ke anjungan kapal
Control is transferred to the bridge
Grade
Ungraded
Last Update
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Question
2199
Bagaimana sistem kontrol menghentikan pengoperasian boiler saat darurat?
How does the control system stop boiler operation in an emergency?
Options
a
Dengan memutus suplai bahan bakar ke burner
By cutting off the fuel supply to the burner
b
Dengan menaikkan level air drum
By raising the drum water level
c
Dengan membuka katup udara akomodasi
By opening the accommodation air valve
d
Dengan menutup katup air laut pendingin
By closing the seawater cooling valve
Grade
Ungraded
Last Update
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Question
2200
Apa tujuan utama panel kontrol pada boiler?
What is the main purpose of the boiler control panel?
Options
a
Menampilkan dan mengendalikan fungsi otomatis boiler
To display and control the boiler’s automatic functions
b
Menaikkan kecepatan kapal
To increase the ship’s speed
c
Mengatur operasi alat bongkar muat
To control cargo handling operations
d
Menentukan konsumsi bahan bakar mesin induk
To determine main engine fuel consumption
Grade
Ungraded
Last Update
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