Name three ways that expansion and
contraction of rotor and casing are handled at the H.P. End of the turbine?
over speeding of a turbine that has a reheater prevented after the turbine has
heating system is changed from a 2” diameter header to a 6” diameter header.
How much more steam can the header handle?
reaction turbine, which clearances are more crucial axial or radial?
the first step to setting up a water treatment program?
the effect of dissolved oxygen on boiler feedwater and how is it removed?
Sodium Sulfite? Sodium Hydroxide? And Sodium Chloride?
false, Definition of a synchroscope? (Discusses phase angle and voltage).
surface condenser, how can you tell if vacuum loss is due to air infiltration
or a dirty condenser?
having a condenser improve turbine efficiency?
the operation of an air ejector?
combined cycle gas turbine plant, what major maintenance repair is done to fix
combined cycle gas turbine plant, what major operation procedures can be done
to prevent compressor fouling?
boiler in your plant has a tag on it that states it has 65 sq. ft. heating
surface and operates at 345 #/hr, it has an “s” stamp and a national board
number. The installer attaches a new tag that says the heating surface is 50
sq. ft. and has a Btu input of 300,000 + Btu/hr (not sure of exact number). As
chief of this plant, what is real hp and how do you know which tag is correct?
turbine trips not generator trips.
causes of turbine vibration?
across a thrust bearing that is reading 145°F
where normally it has been 130°F.
what do you do?
the operation of a Kingsbury thrust bearing (drawing is optional).
ways to determine safety valve capacity?
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