Steam Production Flashcards
1
Q
Is the increase in water level as more steam bubbles form in the water due to an increase in steam generation as more heat is added?
A
Yes
2
Q
What two actions will lower steam pressure
A
- Decrease combustion rate & 2. Increase outflow of steam
3
Q
Why is it necessary to continuously add feedwater to the boiler during operation?
A
To compensate for evaporation & maintain the normal operating level in the boiler
4
Q
Where does combustion take place in a fire tube boiler?
A
inside the burner
5
Q
The movement of rising steam bubbles in water is known as?
A
Convection
6
Q
What happens to the boiler water level if the heat input to the boiler is suddenly cut off?
A
The water level will fall due to shrink
7
Q
What are vents required for?
A
to allow air to be expelled during start up
8
Q
A
