10 Questions
What is the temperature at which condensation takes place known as?
Dew point
What is the main function of an economizer in a steam power plant?
Heats feed water before it enters the boiler
In a steam power plant, where does the feed water pump take its suction from?
Hot well
What is the function of a boiler in a steam power plant?
Generating steam
What happens when heat energy is removed from steam?
It condenses back into water
What is the purpose of the Main Stop Valve in a boiler?
To control the flow of steam into the main steam line
Where is the Air Cock typically installed on a boiler?
On the top of the boiler
What is the function of the Water Gage Glass in a boiler?
To show water level in the boiler
Why are Safety Valves essential in a boiler?
To prevent explosion by releasing excess pressure
What is the purpose of Surface Blow down Valve in a boiler?
To remove floating impurities in the boiler water
Study Notes
Condensation
- Condensation occurs at a specific temperature known as the dew point.
Economizer in Steam Power Plant
- The main function of an economizer is to preheat feed water by using waste heat from the flue gases, increasing the overall efficiency of the plant.
Feed Water Pump
- The feed water pump takes its suction from the hot well or the condenser hotwell.
Boiler Function
- The primary function of a boiler is to convert chemical energy from fuel into steam at high pressure and temperature.
Heat Removal from Steam
- When heat energy is removed from steam, it becomes liquid water, resulting in condensation.
Main Stop Valve
- The Main Stop Valve is used to isolate the boiler from the steam pipe when the boiler is shut down.
Air Cock Installation
- The Air Cock is typically installed on the top of the boiler to remove air from the boiler and prevent it from entering the steam pipe.
Water Gage Glass
- The Water Gage Glass indicates the water level in the boiler, allowing operators to monitor and control the water level.
Safety Valves
- Safety Valves are essential in boilers to prevent over-pressurization, which can lead to a boiler explosion.
Surface Blowdown Valve
- The purpose of the Surface Blowdown Valve is to remove suspended solids and minerals that accumulate on the surface of the boiler water, improving water quality and preventing corrosion.
Test your knowledge of steam generation and its usage onboard ships with this quiz. Learn about the process of transforming water into steam, the concept of condensation, and the functions of a boiler.
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