2nd Engineer Writeen 10/19/99
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WWW.MASSENGINEERS.COM

2nd Class Engineer Written Test 10/19/1999


 

1. What can u do w/a 2nd engineer license?

2. What is the difference. between inner crystalline & trans crystalline cracks in boiler

metal?  What causes these kinds of cracking?  explain fully

3. List 5 destructive test for welds. list 5 non-destructive tests

4. A horse power of a boiler has a MAWP of 800 psi. what is the minimum pressure rating required by

code for the source of water to the boiler?

5. When are backing rings required by code and can they be left in place or removed?

6. What is the difference between a once through and a super critical steam generator?  What are the temperature  and pressure that define a super critical steam generator?

7. Name 3 advantages and disadvantages of using a High Temperature Water heating boiler?

8. Explain where you would use the following non destructive exams?

  •  radiography
  •  magnetic particle test
  •  eddy current test
  •  ultra sonic test

9. What is an oscilloscope and where would you use it?

10. Name 6 factors to consider for heat treatment procedures?

11. How are allowances for expansion in steam piping commonly achieved?  Name 3 ways?

12. 5 ways of controlling super heat temperature?

13. A  boiler has 400 psi on it. it's 2.5"diam. What is the force on the valve disc? show all work!

14. A question on federal and local air emissions.

15. How do you determine the relieving capacity of a separately fired super heater?

16. Determine the stress of 4 bolts problem??

17. What is oil whip?  What causes it?  Explain fully.

18. Delong's formula problem.  Coal sample taken with all percents given.

19. Equivalent evaporation problem?

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