BOILER OPERATIONS
What is the procedure to warm up the boiler from cold?
What is the procedure to start-up a solid-fuel boiler?
What is the procedure to start-up a liquid-fuel boiler?
How do you stop a liquid-fuel boiler?
How do you stop a solid-fuel boiler (which is supplying superheated steam to a turbine)?
What are the major steps of boiler commissioning?
To commission a new boiler, what check would you make on the boiler?
What is drying out and how do you carryout drying out on a new boiler?
Why should you boil out a new boiler and how do you do it?
What are the procedures to force dry up or cure refractory?
What is the purpose of steam test?
What are the procedures to carryout steam test (accumulation test)?
What are the functions of blowdown?
What are precautions to be observed during blowdown?
Can you blowdown the header (water tube boiler) during operation?
Why is it important to blow down the header when the boiler is taken offline?
In opening a boiler stop valve and admitting steam to a pipeline, what precautions should be taken? Is opening a drain cock a safeguard against water hammer?
What is the cause of water hammer and the effect it has on steam piping and valves?
How can it affects the steam plant and suggest method of preventing water hammer.
What is the procedure to start-up a solid-fuel boiler?
What is the procedure to start-up a liquid-fuel boiler?
How do you stop a liquid-fuel boiler?
How do you stop a solid-fuel boiler (which is supplying superheated steam to a turbine)?
What are the major steps of boiler commissioning?
To commission a new boiler, what check would you make on the boiler?
What is drying out and how do you carryout drying out on a new boiler?
Why should you boil out a new boiler and how do you do it?
What are the procedures to force dry up or cure refractory?
What is the purpose of steam test?
What are the procedures to carryout steam test (accumulation test)?
What are the functions of blowdown?
What are precautions to be observed during blowdown?
Can you blowdown the header (water tube boiler) during operation?
Why is it important to blow down the header when the boiler is taken offline?
In opening a boiler stop valve and admitting steam to a pipeline, what precautions should be taken? Is opening a drain cock a safeguard against water hammer?
What is the cause of water hammer and the effect it has on steam piping and valves?
How can it affects the steam plant and suggest method of preventing water hammer.
How acid cleaning can descale hard water scales from the waterside of the boiler?
What are the advantages of inhibited acid cleaning compared to mechanical cleaning of boilers?
What are the precautionary measures need to be taken during acid cleaning?
Can you use chemical clean (acid cleaning) for boilers with riveted joints?
Outline the procedures for acid cleaning of a boiler with hard scales.
Recommend the frequency of inhibited acid cleaning that should be carried out.
What are the acids normally used in inhibited acid cleaning?
What is the function of inhibitors in acid cleaning and what is the most common acid inhibitor?
What is the function of alkaline solution in acid cleaning and what is the most common alkaline solution?
What is “dynamic shrink and swell” phenomena and how does it affect a boiler?
What is a single element water-level control? What would happen to a boiler with a single-element control during a sudden high steam demand?
What is three-element control system?
Is it a good practice to keep the boiler at “HOT STANDBY” and immediately high fire the boiler during emergency steam demand?
What are the precautions boiler operators must observe when starting up a deaerator from cold?
When to use dry storage and how do you do it?
When to use wet storage and how do you do it?
Does boiler blowdown have an impact on environment?
What is nitrogen blanket? How do you carryout nitrogen blanket?
Name two principal types of equipment used to remove particulates from the flue gas of palm oil mill boiler.
Describe the operation of bag filter dust collector.
Describe the operation of single / multi-cyclone dust collector.
What is Ringlemann Chart?
Does boiler blowdown have an impact on environment?
What are the advantages of inhibited acid cleaning compared to mechanical cleaning of boilers?
What are the precautionary measures need to be taken during acid cleaning?
Can you use chemical clean (acid cleaning) for boilers with riveted joints?
Outline the procedures for acid cleaning of a boiler with hard scales.
Recommend the frequency of inhibited acid cleaning that should be carried out.
What are the acids normally used in inhibited acid cleaning?
What is the function of inhibitors in acid cleaning and what is the most common acid inhibitor?
What is the function of alkaline solution in acid cleaning and what is the most common alkaline solution?
What is “dynamic shrink and swell” phenomena and how does it affect a boiler?
What is a single element water-level control? What would happen to a boiler with a single-element control during a sudden high steam demand?
What is three-element control system?
Is it a good practice to keep the boiler at “HOT STANDBY” and immediately high fire the boiler during emergency steam demand?
What are the precautions boiler operators must observe when starting up a deaerator from cold?
When to use dry storage and how do you do it?
When to use wet storage and how do you do it?
Does boiler blowdown have an impact on environment?
What is nitrogen blanket? How do you carryout nitrogen blanket?
Name two principal types of equipment used to remove particulates from the flue gas of palm oil mill boiler.
Describe the operation of bag filter dust collector.
Describe the operation of single / multi-cyclone dust collector.
What is Ringlemann Chart?
Does boiler blowdown have an impact on environment?
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