A Boiler with 700 PSI MAWP steam and water drum 42” diameter 24’ long
order a blow-down tank with the MAWP and gallon capacity needed following the
National Board rules for blow-down tanks.
List four turbine control devices and how they are connected.
Convert 26” of vacuum to PSI
Conduct an over-speed trip test on a large turbine driven pump.
Two boilers with 14% CO2 8% O2 and 0 % CO both
burning the same amount and
type of fuel. Would they have the same efficiency?
You notice a gradual vacuum loss, what would cause it and what actions
would you take?
Steam passes through a pressure reducing station what happens to the
following. 1Point each, A. Temperature
Pressure C. Enthalpy D. Superheat E.
What are the holes for in an impulse turbine?
Order a new safety valve for a new boiler (Must be complete for any
What precautions must be taken before a man can enter a boiler to do
A boiler with a heat input must have what?
Describe a vertical and horizontal shaft regenerative air heater, and
explain operational problems with both.
How do you know if the welder, welding on your boiler is doing so
List at least 5 heat losses in a boiler.
How do you repair a bag in a boiler?
How is the Hydrogen prevented from leaking out along the generator shaft
of a Hydrogen cooled generator?
What is exfoliation? And where in a boiler do you find it?
List two ways a turbine is balanced, Explain one.
What is power factor, can it be adjusted?
There are several factors that determine a boilers output list and
describe these factors.
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