Podcast
Questions and Answers
The minimum vertical distance from the floor or soil to the top edge of the foundation must be at least how many mm?
The minimum vertical distance from the floor or soil to the top edge of the foundation must be at least how many mm?
To avoid transmission, the foundation of vibrations should be isolated how many mm around its perimeter?
To avoid transmission, the foundation of vibrations should be isolated how many mm around its perimeter?
A draught of 1 mm of N/m² is equivalent to which of the following?
A draught of 1 mm of N/m² is equivalent to which of the following?
Forced draft fans create which of the following pressure ranges?
Forced draft fans create which of the following pressure ranges?
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Draught means a force required to draw what through the fuel hot bed?
Draught means a force required to draw what through the fuel hot bed?
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Which type of draft helps to control combustion and pollution products through the system?
Which type of draft helps to control combustion and pollution products through the system?
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For a diesel engine in _____ pouring a concrete foundation is essential.
For a diesel engine in _____ pouring a concrete foundation is essential.
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Study Notes
Foundation Requirements
- The minimum vertical distance between the foundation and the floor or soil must be at least 100 mm.
- To avoid transmission of vibrations, the foundation should be isolated from floor slabs or building footings by at least 15 mm around the perimeter.
Draught
- A draught of 1 mm of water is equivalent to 100 N/m².
Forced Draft Fans
- Forced draft fans create a positive pressure of 0.5 to 2.5 kPa.
Draught
- Draught is the force required to draw air through the fuel bed and aids in the combustion process.
- All gases resulting from combustion travel through the flue system, up the chimney and then to the atmosphere.
Fans For Combustion
- Fans that are used to draw combustion and pollution products through the furnace control the draft system.
- This is achieved by injecting air into the stack after combustion.
- Fan types include natural draft, induced draft, forced draft, and balanced draft.
Diesel Engine Foundations
- When pouring concrete for a diesel engine foundation, ensure the foundation is isolated from the floor. This is important for minimizing vibration transfer.
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Description
This quiz covers the essential requirements for diesel engine foundations, including minimum distance specifications and vibration isolation techniques. Additionally, it explores the role of draught and various fan types in combustion processes. Test your knowledge on these critical engineering concepts.
