Define Factor of
Evaporation. Give the formula.
What are 3 ways to
find the relieving capacity of a safety valve
What do these
chemicals do for water?
What does bleed
steam do for turbine efficiency when bleeds are used as feed water
Oil weighs 6.91
lb/gal with 39’ API specific gravity. What’s lb/ft3 ? How
many barrels are there in 100 tons? (Note 1 gal of water weighs 8.33
A question that asks
about throttle valves and nozzles …. I think it was looking for
throttling losses and why is it better to control steam flow with
condensers discharge directly into
Condensate and feed
A boiler produces
148,000 lb/hr of steam per lb of coal consumed. The feed water temp is
212’F. BTU value of the coal is 14,645 BTU/lb. What is the boiler
What are 4 causes
for a turbine to appear dynamically unbalanced when it actually is?
Is pressure or
temperature more Injurious to a boiler?
When can you close
the generator breaker on a turbine on turning gear? Why?
List 4 trips on a
modern gas turbine.
Describe a wet
boiler lay up?
What is the main
purpose of a hole bored in the center of a turbine shaft?
A question that
asks how you check a weld after post heat treatment?
heating value for 85% carbon, 5% hydrogen, 5% oxygen, and 1% sulfur.
If condenser tubes
are rolled at each end how does expansion occur?
Bellows tube sheet
Impulse or reaction
turbine? Which one weighs less and is smaller per mechanical horsepower
What is the
principal operation of an air ejector?
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