12 Questions
What is the main function of a Steam Generator or Steam Boiler?
Generate steam at a predetermined pressure and temperature
In which type of boiler does water circulate within tubes and heat is applied from outside the tubes to generate steam?
Water Tube Boiler
What is a Power Boiler defined as?
A closed vessel that generates steam at a pressure of more than 1.055 kg/cm² gage by direct heat application
What defines a Portable Boiler?
It is an internally fired boiler primarily intended for temporary locations
What are the characteristics of a Miniature Boiler?
Exceeds 405 mm inner diameter and 1.85 mm water heating surface
What distinguishes a Locomotive Boiler from other types of boilers?
It is mounted on a self-propelled track locomotive and provides motivating power for travel on rails
What is the main difference between a water tube boiler and a fire tube boiler?
Water circulates within tubes in a water tube boiler, while in a fire tube boiler hot gaseous products of combustion pass through tubes.
What is the defining characteristic of a Power Boiler?
Generates steam at a pressure of more than 1.055 kg/cm² gage.
Which type of boiler is primarily intended for temporary location and is obviously portable?
Portable Boiler
What defines a Miniature Boiler?
Inside diameter that does not exceed 405 mm.
In which type of boiler does heat is applied from outside the tubes to generate steam?
Water Tube Boiler
What type of boiler is mounted on a self-propelled track locomotive and used to furnish motivating power travelling on rails?
Locomotive Boiler
Study Notes
Boiler Types and Characteristics
- The main function of a Steam Generator or Steam Boiler is to generate steam.
Water Tube Boiler
- In a Water Tube Boiler, water circulates within tubes and heat is applied from outside the tubes to generate steam.
Power Boiler
- A Power Boiler is defined as a boiler that supplies steam to a turbine or engine for the purpose of generating electricity or mechanical power.
Portable Boiler
- A Portable Boiler is a boiler that is primarily intended for temporary location and is obviously portable.
Miniature Boiler
- A Miniature Boiler is defined as a boiler that has a heating surface of 16 square feet (1.5 square meters) or less.
Locomotive Boiler
- A Locomotive Boiler is a boiler that is mounted on a self-propelled track locomotive and used to furnish motivating power travelling on rails.
Fire Tube Boiler vs Water Tube Boiler
- The main difference between a Water Tube Boiler and a Fire Tube Boiler is that in a Water Tube Boiler, water circulates within tubes and heat is applied from outside the tubes to generate steam, whereas in a Fire Tube Boiler, the opposite occurs.
Learn about the differences between a steam generator and steam boiler, as well as the classification of boilers into water tube and fire tube types. Explore how each type functions to produce steam at specific pressure and temperature.
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