1. What is stress in
metal?
2. What is the HP
required for a feed water pump that is 80% efficient
supplying
a boiler with 200 psi?
3. What environmental
impurities in steam and water that can cause stress
corrosion
cracking in a steam turbine?
4. What is the
axial clearance of a thrust bearing and why?
5. What other
loadings besides internal loading pressure in a boiler are there?
6. Name at
least five boiler losses.
7 How do
you start a condensing turbine?
8. Explain how
a speed governor works with an extraction turbine?
9. What are the
major losses in steam turbine?
10. Explain how labyrinth
packing works and draw a picture.
11. Explain an impulse
turbine.
12. If a welder is
qualified to repair a tube does make him
qualified
for other welds?
13. Give some reasons why
you as an engineer would be concerned
about heat transfer being impeded in a boiler.
14. When should an air tank
be inspected according to the commonwealth.
15. Give some reasons why
you would use a reheater.
16. What is the flash point
of oil?
17. As an engineer why
would it be important to monitor the various
pressure
stages on a turbine?
18. Find the volume of
hydrogen in a tank.
19. With two boilers both
at 100 hp one operating at 50 psi and the other
at 100 psi would both safety valves be the same size?
20.
Describe what is on a Mollier chart.
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the original content may be different.
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