Question
71
Fungsi utama dari economizer adalah...
The main function of the economizer is...
Options
a
Memanaskan air umpan sebelum masuk ke ketel dengan gas buang
To heat the feedwater before it enters the boiler using exhaust gas
b
Mengontrol suhu udara sebelum masuk ke furnace
To control the air temperature before it enters the furnace
c
Mengukur tekanan dalam drum uap
To measure the pressure in the steam drum
d
Menghilangkan oksigen dari air umpan boiler
To remove oxygen from boiler feedwater
Grade
Easy
Last Update
29 Jul 2026 13:38
By Tanjung
Question
72
Pemanas udara (LUVO) berfungsi untuk...
The air heater functions to...
Options
a
Meningkatkan suhu udara sebelum masuk ke ruang pembakaran
Increase the temperature of the air before it enters the combustion chamber
b
Menyimpan uap sebelum digunakan oleh turbin
Store steam before it is used by the turbine
c
Mengatur ketinggian air dalam boiler
Regulate the water level in the boiler
d
Mengontrol tekanan uap dalam drum boiler
Control steam pressure in the boiler drum
Grade
Easy
Last Update
29 Jul 2026 13:38
By Tanjung
Question
73
Perangkat pengopakan dengan minyak terdiri dari...
Oil-firing equipment consists of...
Options
a
Pompa bahan bakar, atomizer burner, fan, igniter
Fuel pump, atomizer burner, fan, igniter
b
Gelas duga, safety valve, economizer, scum valve
Water gauge glass, safety valve, economizer, scum valve
c
Manometer, nameplate, soot blower, LUVO
Pressure gauge, nameplate, soot blower, air heater
d
Furnace, water drum, superheater, blow-down valve
Furnace, water drum, superheater, blowdown valve
Grade
Medium
Last Update
29 Jul 2026 13:39
By Tanjung
Question
74
Soot blower berfungsi untuk...
The soot blower functions to...
Options
a
Membersihkan permukaan dinding ketel dari jelaga
Clean soot from the boiler wall surfaces
b
Mengatur tekanan dalam ketel
Regulate the pressure in the boiler
c
Mengontrol pengisian bahan bakar
Control the fuel supply
d
Menunjukkan tingkat ketinggian air dalam boiler
Indicate the water level in the boiler
Grade
Easy
Last Update
29 Jul 2026 13:39
By Tanjung
Question
75
Fungsi utama dari manometer pada ketel uap adalah...
The main function of the pressure gauge on a steam boiler is...
Options
a
Menunjukkan tekanan uap dalam drum boiler
To indicate the steam pressure in the boiler drum
b
Mengatur suhu dalam economizer
To regulate the temperature in the economizer
c
Membersihkan permukaan boiler dari kotoran
To clean dirt from the boiler surfaces
d
Membuang kelebihan air dalam drum air
To discharge excess water from the water drum
Grade
Easy
Last Update
29 Jul 2026 13:39
By Tanjung
Question
76
Untuk melindungi manometer dari kerusakan akibat tekanan uap, maka...
To protect the pressure gauge from damage due to steam pressure, it is...
Options
a
Dilengkapi dengan pipa U dan keran
Fitted with a U-tube and a cock
b
Diletakkan di luar ruang boiler
Placed outside the boiler room
c
Dipasang bersama dengan economizer
Installed together with the economizer
d
Diberikan pendingin tambahan
Provided with additional cooling
Grade
Medium
Last Update
29 Jul 2026 13:39
By Tanjung
Question
77
Pelat nama (nameplate) pada ketel uap digunakan untuk...
The nameplate on a steam boiler is used for...
Options
a
Identifikasi dan spesifikasi teknis ketel uap
Identification and technical specifications of the steam boiler
b
Menunjukkan suhu uap dalam drum boiler
Indicating the steam temperature in the boiler drum
c
Mengontrol jumlah udara dalam ruang bakar
Controlling the amount of air in the furnace
d
Mengukur tekanan di dalam water drum
Measuring the pressure in the water drum
Grade
Easy
Last Update
29 Jul 2026 13:39
By Tanjung
Question
78
Mengapa economizer meningkatkan efisiensi ketel uap?
Why does an economizer improve steam boiler efficiency?
Options
a
Karena memanfaatkan panas gas buang untuk memanaskan air umpan
Because it uses exhaust gas heat to heat feedwater
b
Karena membantu membersihkan permukaan boiler dari jelaga
Because it helps clean soot from the boiler surfaces
c
Karena mengatur jumlah udara yang masuk ke furnace
Because it regulates the amount of air entering the furnace
d
Karena membuang kelebihan tekanan dalam boiler
Because it relieves excess pressure in the boiler
Grade
Medium
Last Update
29 Jul 2026 13:39
By Tanjung
Question
79
Salah satu keuntungan menggunakan kontrol otomatis pada ketel uap adalah...
One advantage of using automatic control on a steam boiler is...
Options
a
Mengoptimalkan efisiensi pembakaran dan penggunaan bahan bakar
Optimizing combustion efficiency and fuel consumption
b
Memastikan bahwa kotoran dalam boiler tidak menumpuk
Ensuring that dirt does not accumulate in the boiler
c
Mengurangi suhu dalam ruang pembakaran
Reducing the temperature in the combustion chamber
d
Menghilangkan kebutuhan akan economizer
Eliminating the need for an economizer
Grade
Medium
Last Update
29 Jul 2026 13:39
By Tanjung
Question
80
Katup uap utama (main steam valve) digunakan untuk...
The main steam valve is used to...
Options
a
Menyalurkan uap ke pesawat-pesawat yang digerakkan tenaga uap
Supply steam to steam-driven machinery
b
Mengontrol tingkat air dalam drum boiler
Control the water level in the boiler drum
c
Mengatur jumlah bahan bakar yang masuk ke furnace
Regulate the amount of fuel entering the furnace
d
Mengukur tekanan di dalam economizer
Measure the pressure in the economizer
Grade
Easy
Last Update
29 Jul 2026 13:39
By Tanjung