Question
51
Apa fungsi dari otomat penutup bahan bakar (Quick Stop Valve) pada ketel uap?
What is the function of the quick-closing fuel shut-off valve on a steam boiler?
Options
a
Memutus aliran bahan bakar dengan cepat dalam keadaan darurat
To cut off the fuel supply quickly in an emergency
b
Menunjukkan level air di dalam ketel
To indicate the water level inside the boiler
c
Mengukur tekanan uap di dalam ketel
To measure the steam pressure inside the boiler
d
Mengeluarkan endapan dari ketel
To discharge sediment from the boiler
Grade
Medium
Last Update
11 Aug 2026 14:44
By Gabriel
Question
52
Apa fungsi dari katup uap utama pada ketel uap?
What is the function of the main steam valve on a steam boiler?
Options
a
Mengontrol aliran uap dari ketel ke sistem
To control the flow of steam from the boiler to the system
b
Menunjukkan level air di dalam ketel
To indicate the water level inside the boiler
c
Mengukur tekanan uap di dalam ketel
To measure the steam pressure inside the boiler
d
Mencegah tekanan berlebih
To prevent overpressure
Grade
Medium
Last Update
11 Aug 2026 14:45
By Gabriel
Question
53
Apa fungsi dari katup air pengisian pada ketel uap?
What is the function of the feedwater valve on a steam boiler?
Options
a
Mengontrol aliran air masuk ke dalam ketel
To control the flow of water entering the boiler
b
Menunjukkan level air di dalam ketel
To indicate the water level inside the boiler
c
Mengukur tekanan uap di dalam ketel
To measure the steam pressure inside the boiler
d
Mengeluarkan endapan dari ketel
To discharge sediment from the boiler
Grade
Medium
Last Update
11 Aug 2026 14:45
By Gabriel
Question
54
Apa yang dimaksud dengan ketel pipa api?
What is meant by a fire-tube boiler?
Options
a
Ketel di mana gas panas melewati pipa-pipa yang dikelilingi oleh air
A boiler in which hot gases pass through tubes surrounded by water
b
Ketel di mana air melewati pipa-pipa yang dikelilingi oleh gas panas
A boiler in which water passes through tubes surrounded by hot gases
c
Ketel yang hanya menggunakan uap sebagai fluida kerja
A boiler that uses only steam as the working fluid
d
Ketel yang tidak memerlukan pipa untuk proses pemanasan
A boiler that does not require tubes for the heating process
Grade
Easy
Last Update
11 Aug 2026 14:45
By Gabriel
Question
55
Apa yang dimaksud dengan ketel pipa air?
What is meant by a water-tube boiler?
Options
a
Ketel di mana air melewati pipa-pipa yang dikelilingi oleh gas panas
A boiler in which water passes through tubes surrounded by hot gases
b
Ketel di mana gas panas melewati pipa-pipa yang dikelilingi oleh air
A boiler in which hot gases pass through tubes surrounded by water
c
Ketel yang menggunakan udara sebagai fluida kerja
A boiler that uses air as the working fluid
d
Ketel yang menggunakan bahan bakar padat
A boiler that uses solid fuel
Grade
Easy
Last Update
11 Aug 2026 14:46
By Gabriel
Question
56
Apa komponen utama dari ketel pipa api?
What are the main components of a fire-tube boiler?
Options
a
Drum, pipa api, ruang bakar, dan cerobong
Drum, fire tubes, furnace, and funnel
b
Drum, pipa air, ruang bakar, dan economizer
Drum, water tubes, furnace, and economizer
c
Superheater, economizer, pipa air, dan cerobong
Superheater, economizer, water tubes, and funnel
d
Drum, economizer, pipa air, dan superheater
Drum, economizer, water tubes, and superheater
Grade
Medium
Last Update
11 Aug 2026 14:46
By Gabriel
Question
57
Apa komponen utama dari ketel pipa air?
What are the main components of a water-tube boiler?
Options
a
Drum, pipa air, ruang bakar, dan economizer
Drum, water tubes, furnace, and economizer
b
Drum, pipa api, ruang bakar, dan cerobong
Drum, fire tubes, furnace, and funnel
c
Drum, economizer, pipa api, dan superheater
Drum, economizer, fire tubes, and superheater
d
Drum, ruang bakar, superheater, dan economizer
Drum, furnace, superheater, and economizer
Grade
Medium
Last Update
11 Aug 2026 14:47
By Gabriel
Question
58
Apa keuntungan utama dari ketel pipa air dibandingkan ketel pipa api?
What is the main advantage of a water-tube boiler compared with a fire-tube boiler?
Options
a
Efisiensi yang lebih tinggi dan kemampuan untuk menghasilkan uap pada tekanan tinggi
Higher efficiency and the ability to produce steam at high pressure
b
Konstruksi lebih sederhana dan biaya lebih rendah
Simpler construction and lower cost
c
Ukuran lebih kecil dan mobilitas lebih tinggi
Smaller size and higher mobility
d
Pemeliharaan lebih mudah dan murah
Easier and cheaper maintenance
Grade
Medium
Last Update
11 Aug 2026 14:47
By Gabriel
Question
59
Apa fungsi dari ruang bakar dalam ketel pipa api?
What is the function of the furnace in a fire-tube boiler?
Options
a
Tempat pembakaran bahan bakar untuk menghasilkan gas panas
The place where fuel is burned to produce hot gas
b
Tempat pemanasan air untuk menghasilkan uap
The place where water is heated to produce steam
c
Tempat penyimpanan uap sebelum dialirkan ke sistem
The place where steam is stored before being sent to the system
d
Tempat pengumpulan air kondensat
The place where condensate water is collected
Grade
Easy
Last Update
11 Aug 2026 14:48
By Gabriel
Question
60
Apa fungsi dari economizer dalam ketel pipa air?
What is the function of the economizer in a water-tube boiler?
Options
a
Memanaskan air umpan sebelum masuk ke drum untuk meningkatkan efisiensi
To heat the feedwater before it enters the drum in order to improve efficiency
b
Meningkatkan suhu uap setelah keluar dari drum
To increase the steam temperature after it leaves the drum
c
Mengurangi suhu gas buang sebelum dilepas ke atmosfer
To reduce the temperature of exhaust gas before it is released to the atmosphere
d
Mengontrol tekanan uap di dalam drum
To control the steam pressure inside the drum
Grade
Easy
Last Update
11 Aug 2026 14:48
By Gabriel