What is Corrosion, and What is Erosion ?
2. List Three functions
that a Deaerator serves.
3. In relation to the 3
forms of heat transfer; How is heat transferred
in the furnace water walls? How is heat transferred
in a closed heat exchanger ?
4. List 2 types of
positive displacement pumps. List 3 types of
non-positive displacement pumps.
5. Describe in detail the
Bourdon tube principle.
6. Describe in detail the
operation of a Deaerating feed water heater.
7. Describe in detail the
differences between a Safety Valve and a Relief Valve.
8. You are instructed to
remove a 150,000 lb, per hour boiler from service for inspection that
is in battery with others still online, list the procedure for removing it
from service and the precautions that you would take before opening
the waterside, list the valves that you would isolate.
9. What is pH, explain
What is a good pH for
10. When is a surface blow
off useful ?
11. Explain what is meant by
the terms, Wire Effect ?Water Hammer ?
12. What is a parallel flow
Economizer? Why do we use
Economizers? Where is the location
of an Economizer ?
13. In relation to water
tube boilers, What are bags on the
tubes? What causes them ?
14. A column of water has a
pressure of 1 psi at the bottom, What is the height of
the column ? Express answer in feet.
15. Boilers can be either
laid up dry or wet, Describe in detail the
procedure to perform a wet lay up.
16. Explain in detail the
operation of a huddling chamber, and blowback ring on a
17. What are 2 reasons why
we treat boiler water ?
18. Discuss the importance
of the safety valve, in relation to the other systems in the boiler room.
19. A build up of carbon
deposits on the furnace mouth is caused by_______________.
A.) too much excess
B.) dirty fuel sprayer
C.) boiler cycling on
D.) faulty gas pilot.
20. A sudden drop in
pressure without a corresponding drop in temperature,
can lead to
A.) increased feed
B.) a boiler explosion.
C.) excessive stack
D.) poor steaming
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