3rd Engineer Written Test
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3rd Engineer Written Test

  5/26/04

 

1. How do you find the area of a piston?


2. What is the heating surface of a 4 diameter tube 14 ft long?


3. What material are condenser tubes made of :  If fresh water passes through them?  If salt water passes through them?


4 How is heat transferred in a boiler?


5. Define absolute pressure.


6. Why are there soot blowers in a coal fired boiler?

 


7. What can you do with this license? 3rd Engineer.


8. Name the two types of safety valves.


9. Can you have an internal pipe connection on a safety valve?


10. What is grooving in a boiler?


11. What is cold end corrosion and how does it affect a boiler air heater, economizer and stack?


12. How does a Fyrite flue gas analyzer work and what does it tell you?


13. Turn these improper fractions into mixed numbers. 32/8, 19/2, 46/9, 45/8


14. In your opinion, what is the effect of material buildupon the watersides and firesides of the heating surface of a boiler.


15. Explain a reaction turbine

 


16. A 100 psi boiler is operating with 300F stack temps, is this boiler operating properly?


17. What contributes to the quality of water pumped by a centrifugal pump? Name at least three.


18. What is a simple test for corrosives?


19. Explain how a surface condenser operates, and how it effects turbine operations.


20. What is a quick way to find heating surface of a boiler?

 

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