Question
1531
Bagaimana cara membersihkan skala (scale) dalam ketel uap?
How is scale removed from a steam boiler?
Options
a
Menggunakan alat pembersih skala
By using scale cleaning tools
b
Mengontrol tekanan uap dengan cermat
By carefully controlling steam pressure
c
Mengganti seluruh air dalam ketel
By replacing all the water in the boiler
d
Menggunakan deterjen biasa
By using ordinary detergent
Grade
Ungraded
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Question
1532
Apa yang dimaksud dengan "economizer" dalam ketel uap?
What is meant by “economizer” in a steam boiler?
Options
a
Bagian ketel yang memanaskan air umpan dengan menggunakan gas buang
The part of the boiler that heats feedwater by using exhaust gas
b
Alat untuk menghemat bahan bakar
A device to save fuel
c
Bagian ketel yang menghasilkan listrik
The part of the boiler that generates electricity
d
Alat untuk meningkatkan tekanan uap
A device to increase steam pressure
Grade
Ungraded
Last Update
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Question
1533
Mengapa penting untuk memantau emisi gas buang dari ketel uap?
Why is it important to monitor exhaust gas emissions from a steam boiler?
Options
a
Mencegah polusi udara dan memastikan efisiensi pembakaran
To prevent air pollution and ensure combustion efficiency
b
Meningkatkan tekanan uap
To increase steam pressure
c
Agar uap lebih panas
To make the steam hotter
d
Untuk memastikan air umpan bersih
To ensure the feedwater is clean
Grade
Ungraded
Last Update
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Question
1534
Apa yang dimaksud dengan "water treatment" dalam ketel uap?
What is meant by “water treatment” in a steam boiler?
Options
a
Pengolahan air untuk mengurangi risiko kerak dan korosi
Water treatment to reduce the risk of scale and corrosion
b
Proses menghasilkan uap dari air
The process of producing steam from water
c
Proses memasukkan air ke dalam ketel
The process of feeding water into the boiler
d
Penggunaan air laut langsung sebagai bahan bakar
The use of seawater directly as fuel
Grade
Ungraded
Last Update
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Question
1535
Apa yang dimaksud dengan "feedwater" dalam ketel uap?
What is meant by “feedwater” in a steam boiler?
Options
a
Air yang dimasukkan ke dalam ketel untuk menggantikan air yang hilang
Water fed into the boiler to replace water that has been lost
b
Proses membersihkan ketel
The process of cleaning the boiler
c
Uap yang dihasilkan oleh ketel
Steam produced by the boiler
d
Air yang digunakan untuk memadamkan api
Water used to extinguish fire
Grade
Ungraded
Last Update
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Question
1536
Apa fungsi dari "safety valve" pada ketel uap?
What is the function of the safety valve on a steam boiler?
Options
a
Mengeluarkan uap berlebih untuk mencegah ledakan
To release excess steam and prevent explosion
b
Mengendalikan level air dalam ketel
To control the water level in the boiler
c
Mengatur tekanan udara di dalam ketel
To regulate the air pressure in the boiler
d
Menghasilkan uap tambahan
To generate additional steam
Grade
Ungraded
Last Update
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Question
1537
Mengapa ketel uap dilengkapi dengan berbagai alat pengendali dan pengaman?
Why is a steam boiler fitted with various control and safety devices?
Options
a
Menjaga keselamatan operasi dan mencegah kerusakan
To maintain safe operation and prevent damage
b
Agar mesin dapat bekerja lebih cepat
So that the machinery can run faster
c
Untuk mengurangi suhu dalam ketel
To reduce the temperature inside the boiler
d
Meningkatkan efisiensi pembakaran
To improve combustion efficiency
Grade
Ungraded
Last Update
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Question
1538
Bagaimana proses "combustion" (pembakaran) berlangsung dalam ketel uap?
How does combustion take place in a steam boiler?
Options
a
Kombinasi udara dan bahan bakar yang menghasilkan panas dan gas buang
By combining air and fuel to produce heat and exhaust gas
b
Proses mengatur tekanan uap
By regulating steam pressure
c
Reaksi kimia antara air dan bahan bakar
By a chemical reaction between water and fuel
d
Pemanasan langsung air menjadi uap
By directly heating water into steam
Grade
Ungraded
Last Update
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Question
1539
Fungsi utama dari ketel uap di kapal tanker kimia adalah untuk:
The main function of a steam boiler on a chemical tanker is to:
Options
a
Menghasilkan uap untuk pemanasan dan tenaga
Generate steam for heating and power
b
Memproduksi air tawar
Produce fresh water
c
Menghasilkan bahan bakar
Produce fuel
d
Membersihkan tangki penyimpanan
Clean storage tanks
Grade
Ungraded
Last Update
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Question
1540
Bahan bakar yang umum digunakan dalam ketel uap kapal tanker kimia adalah:
The fuel commonly used in a steam boiler on a chemical tanker is:
Options
a
Gas alam
Natural gas
b
Minyak mentah
Crude oil
c
Tenaga surya
Solar power
d
Batu bara
Coal
Grade
Ungraded
Last Update
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