Modular cast iron boiler water flow is:
a. Continuous through all modules
b. Connected in series
c. Intermittent, occurring only while the unit is firing
d. Always vertically upwards
e. Done without the use of headers or manifolds
Answer: A
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Power Engineering Chapter 90
- The cast-iron sectional boiler is generally used for steam and hot water heating systems in
- Cast-iron boiler capacity
- To prevent flue gases from escaping in a cast iron sectional boiler, the spaces between the sections are sealed with high temperature
- The sections of cast iron boilers are mainly designed to obtain maximum
- Cast-iron boiler sections maximize heat transfer by
- A disadvantage of a cast iron boiler is:
- Boiler water legs:
- One advantage of cast iron boilers is:
- The ratio of heat released to heat transferred to boiler water is known as:
- The steam and water spaces of a cast iron sectional boiler are connected by:
- In a vertical sectional boiler, the sections are placed:
- The fins cast on the flat surface of the sections of a cast iron sectional boiler are used for the purpose of increasing the:
- Heating boilers attain maximum efficiency only when they are operated:
- In a cast iron modular heating boiler, the operation of the burner of each module is controlled by a _____ that starts or stops modules in sequence as load demand increases or decreases.
- Most low capacity cast iron boilers:
- The sections of a cast iron sectional boiler are held together by: