Question
31
Contoh dari ketel pipa api adalah...
Examples of fire-tube boilers are...
Options
a
Ketel Schots dan ketel Cochran
Scotch boiler and Cochran boiler
b
Ketel B & W dan ketel Yarrow
B & W boiler and Yarrow boiler
c
Ketel Foster Wheeler dan ketel Yarrow
Foster Wheeler boiler and Yarrow boiler
d
Ketel LUVO dan ketel economizer
Air heater and economizer boiler
Grade
Medium
Last Update
29 Jul 2026 11:45
By Tanjung
Question
32
Pada ketel pipa air, posisi air dan gas pemanasnya adalah...
In a water-tube boiler, the position of the water and the heating gas is...
Options
a
Air berada di dalam pipa, gas pemanas berada di luar pipa
The water is inside the tubes, and the heating gas is outside the tubes
b
Air berada di luar pipa, gas pemanas mengalir di dalam pipa
The water is outside the tubes, and the heating gas flows inside the tubes
c
Gas pemanas berada di dalam air ketel
The heating gas is inside the boiler water
d
Air dan gas pemanas bercampur dalam satu ruang
The water and heating gas are mixed in one space
Grade
Easy
Last Update
29 Jul 2026 11:46
By Tanjung
Question
33
Contoh dari ketel pipa air adalah...
Examples of water-tube boilers are...
Options
a
Ketel B & W dan ketel Foster Wheeler
B & W boiler and Foster Wheeler boiler
b
Ketel Schots dan ketel Cochran
Scotch boiler and Cochran boiler
c
Ketel LUVO dan ketel economizer
Air heater and economizer boiler
d
Ketel cascade dan ketel hotwell
Cascade boiler and hotwell boiler
Grade
Medium
Last Update
29 Jul 2026 11:46
By Tanjung
Question
34
Apa tujuan dari pemakaian soot blower dalam ketel uap?
What is the purpose of using a soot blower in a steam boiler?
Options
a
Membersihkan jelaga yang menempel di dinding ketel dan dapur ketel
To clean soot adhering to the boiler walls and furnace
b
Menambah kadar air dalam uap
To increase the water content in the steam
c
Mengurangi jumlah bahan bakar yang digunakan
To reduce the amount of fuel used
d
Mendinginkan gas buang sebelum keluar
To cool the exhaust gas before discharge
Grade
Medium
Last Update
29 Jul 2026 11:46
By Tanjung
Question
35
Apa fungsi dari atomizer burner dalam perangkat pengopakan minyak?
What is the function of the atomizer burner in oil-firing equipment?
Options
a
Mengubah bahan bakar cair menjadi kabut untuk pembakaran yang efisien
To convert liquid fuel into a fine spray for efficient combustion
b
Mengontrol tekanan dalam ketel
To control the pressure in the boiler
c
Meningkatkan kadar air dalam uap
To increase the water content in the steam
d
Mengatur suhu gas buang
To regulate the exhaust gas temperature
Grade
Medium
Last Update
29 Jul 2026 11:48
By Tanjung
Question
36
Mengapa economizer digunakan dalam ketel uap?
Why is an economizer used in a steam boiler?
Options
a
Untuk meningkatkan efisiensi pemanasan dengan memanfaatkan panas gas buang
To improve heating efficiency by utilizing exhaust gas heat
b
Untuk menurunkan tekanan dalam ketel
To reduce the pressure in the boiler
c
Untuk mendinginkan uap sebelum keluar
To cool the steam before it leaves
d
Untuk mencampurkan bahan bakar dengan udara
To mix fuel with air
Grade
Medium
Last Update
29 Jul 2026 11:48
By Tanjung
Question
37
Hotwell atau cascade tank berperan dalam...
The hotwell or cascade tank plays a role in...
Options
a
Menghilangkan gas-gas yang terkandung dalam air pengisi ketel
Removing gases contained in the boiler feedwater
b
Mengatur suhu uap dalam boiler
Regulating the steam temperature in the boiler
c
Meningkatkan tekanan uap dalam ketel
Increasing the steam pressure in the boiler
d
Membersihkan jelaga dari permukaan ketel
Cleaning soot from the boiler surfaces
Grade
Medium
Last Update
29 Jul 2026 11:49
By Tanjung
Question
38
Apa yang terjadi jika udara tidak dipanaskan sebelum masuk ke ruang pembakaran?
What happens if the air is not heated before entering the combustion chamber?
Options
a
Pembakaran menjadi kurang sempurna
Combustion becomes less complete
b
Tekanan dalam ketel meningkat drastis
The pressure in the boiler increases drastically
c
Kadar air dalam uap meningkat
The water content in the steam increases
d
Suhu ketel turun drastis
The boiler temperature drops drastically
Grade
Medium
Last Update
29 Jul 2026 11:50
By Tanjung
Question
39
Fungsi dari feed water pump dalam ketel uap adalah...
The function of the feed water pump in a steam boiler is...
Options
a
Mengisi air ke dalam ketel
To feed water into the boiler
b
Mengatur tekanan gas buang
To regulate exhaust gas pressure
c
Mengontrol kadar uap dalam boiler
To control the amount of steam in the boiler
d
Membersihkan permukaan ketel dari jelaga
To clean soot from the boiler surfaces
Grade
Easy
Last Update
29 Jul 2026 11:50
By Tanjung
Question
40
Ketel uap memiliki berbagai jenis berdasarkan...
Steam boilers have various types based on...
Options
a
Konstruksi dan penggunaannya
Their construction and use
b
Warna dan ukuran fisik
Their color and physical size
c
Jenis bahan bakar yang digunakan
The type of fuel used
d
Lokasi pemasangan di kapal
The installation location on the ship
Grade
Medium
Last Update
29 Jul 2026 11:51
By Tanjung