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1^st Class Engineer Written Test 05/27/2003

1. Name 3 methods use to remove particulates in a coal fired boiler
2. Explain what a zeolite softer is and it’s operation
3. Describe a stiff shaft, and flexible shaft turbine
4. What is the purpose of flux on a welding rod
5. In an impulse turbine is there a pressure drop in the wheel, where does it occur
6. How do you check the over speed controls on a turbine
7. You are ordering a new blow off tank for a boiler with 700 psi MAWP steam and water drum 42” diameter, 24’ long, What code is used to determine the proper size of the blow down tank
8. How do you calculate the efficiency of an engine
9. List 6 common reasons for vibration in a turbine
10. Where would you expect to find damage from excessive vibration
11. Lube oil conditioner system 4 types describe all 4
12. Give reasons for a temperature increase in cooling water in a condenser
13. Why do we use an air pump or air ejector with a condenser
14. List there ways to seal a turbine
15. List two methods used to balance a turbine and explain one in detail
16. What is Boyles law, What is Charles law
17. Besides the lower maintenance costs give some reasons for the use of superheated steam in a plant
18. PH increases 9-11 how much is the increase?

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