1.) What are 4 principle impulse stages?
2.) What are 4 ways to purify turbine lube oil?
3.) What must one do prior to having any welding on a boiler?
4.) Can an unqualified welder do welding on a boiler?
5.) You are the chief of a small boiler room with Cleaver Brooks fire tube boilers that are running how can you tell if you have a tube leak?
6.) You remove the boiler from service how do you tell which tube was leaking. Besides doing a hydrostatic test?
7.) Explain in detail how to remove the faulty tube?
8.) Explain in detail how to replace the tube?
9.) What is the minimum and maximum projection past the tube sheet?
10.) Explain in detail how to conduct a boiler efficiency test?
11.) What can you do with a Second Class Engineers license?
12.) Where is that found in MGL Ch.146
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