Question
11
Apa yang dimaksud dengan economizer (ECO) dalam ketel uap?
What is meant by an economizer in a steam boiler?
Options
a
Alat yang meningkatkan efisiensi pemanasan air ketel
A device that improves the efficiency of heating boiler feedwater
b
Katup pengaman yang mengatur tekanan uap
A safety valve that regulates steam pressure
c
Sensor yang mengukur kadar air dalam uap
A sensor that measures the water content in steam
d
Pemanas tambahan untuk meningkatkan suhu uap
An additional heater to increase steam temperature
Grade
Easy
Last Update
29 Jul 2026 11:28
By Tanjung
Question
12
Apa fungsi dari katup uap utama pada ketel uap?
What is the function of the main steam valve on a steam boiler?
Options
a
Menyalurkan uap ke pesawat-pesawat yang digerakkan tenaga uap
To supply steam to steam-driven machinery
b
Mengatur tekanan air dalam ketel
To regulate the water pressure in the boiler
c
Memastikan bahan bakar terbakar dengan efisien
To ensure fuel burns efficiently
d
Menurunkan suhu uap dalam boiler
To reduce the steam temperature in the boiler
Grade
Easy
Last Update
29 Jul 2026 11:29
By Tanjung
Question
13
Uap harus dapat dihasilkan dengan jumlah pemakaian bahan bakar yang...
Steam must be produced with fuel consumption that is...
Options
a
Serendah mungkin
As low as possible
b
Sebanyak mungkin
As much as possible
c
Tanpa batasan
Unlimited
d
Tidak diperhitungkan
Not taken into account
Grade
Easy
Last Update
29 Jul 2026 11:29
By Tanjung
Question
14
Katup air pengisian pada ketel uap berfungsi untuk...
The feed water valve on a steam boiler functions to...
Options
a
Mengatur masuknya air ke dalam ketel
Regulate the entry of water into the boiler
b
Mengontrol kadar air dalam uap
Control the water content in the steam
c
Menurunkan suhu uap dalam ketel
Reduce the steam temperature in the boiler
d
Mengurangi tekanan dalam drum boiler
Reduce the pressure in the boiler drum
Grade
Easy
Last Update
29 Jul 2026 11:30
By Tanjung
Question
15
Pemanas udara (LUVO) digunakan untuk...
The air heater is used to...
Options
a
Memanaskan udara segar dari luar sebelum masuk ke dalam ruang pembakaran.
Improve fuel combustion efficiency
b
Mengontrol suhu uap dalam ketel
Control the steam temperature in the boiler
c
Membuang kotoran dari boiler
Remove impurities from the boiler
d
Menstabilkan tekanan uap
Stabilize steam pressure
Grade
Medium
Last Update
06 Aug 2026 11:25
By Gabriel
Question
16
Apa fungsi dari otomat penutup bahan bakar (Quick Stop Valve)?
What is the function of the quick stop valve?
Options
a
Menghentikan aliran bahan bakar secara otomatis
To stop the flow of fuel automatically
b
Mengontrol tekanan dalam ketel uap
To control the pressure in the steam boiler
c
Menurunkan kadar air dalam uap
To reduce the water content in the steam
d
Mengatur suhu pemanas lanjut
To regulate the temperature of the superheater
Grade
Easy
Last Update
29 Jul 2026 11:35
By Tanjung
Question
17
Apa manfaat dari pelat nama (nameplate) pada ketel uap?
What is the benefit of the nameplate on a steam boiler?
Options
a
Untuk identifikasi dan spesifikasi teknis ketel uap
For identification and technical specifications of the steam boiler
b
Sebagai indikator tekanan dalam ketel
As a pressure indicator in the boiler
c
Untuk mengontrol kadar air dalam boiler
To control the water content in the boiler
d
Sebagai pemanas tambahan
As an additional heater
Grade
Easy
Last Update
29 Jul 2026 11:38
By Tanjung
Question
18
Ketel uap dengan tekanan rendah harus dilengkapi dengan...
A low-pressure steam boiler must be fitted with...
Options
a
Dua buah katup keamanan
Two safety valves
b
Tiga buah katup pengaman
Three safety valves
c
Satu katup pengaman saja
Only one safety valve
d
Tidak memerlukan katup pengaman
No safety valve is required
Grade
Easy
Last Update
29 Jul 2026 11:39
By Tanjung
Question
19
Saat kapal olah gerak, tekanan uap dalam ketel harus...
When the ship is maneuvering, the steam pressure in the boiler must...
Options
a
Stabil dan tidak banyak berubah
Remain stable and not change much
b
Berubah secara drastis
Change drastically
c
Berkurang secara otomatis
Decrease automatically
d
Meningkat tajam tanpa kendali
Increase sharply without control
Grade
Medium
Last Update
29 Jul 2026 11:39
By Tanjung
Question
20
Salah satu tujuan dari sistem pembakaran bahan bakar dalam ketel adalah...
One of the objectives of the fuel combustion system in a boiler is...
Options
a
Menghasilkan pembakaran yang sempurna
To produce complete combustion
b
Meningkatkan kadar air dalam uap
To increase the water content in the steam
c
Menurunkan suhu uap dalam boiler
To reduce the steam temperature in the boiler
d
Membutuhkan lebih banyak bahan bakar
To require more fuel
Grade
Medium
Last Update
29 Jul 2026 11:40
By Tanjung