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What does a makeup control valve do?____
Maintain a constant water level in the feedwater heater
The ____ is the water level designated as being the proper water level for safe boiler operation
Normal Operating Water Level (NOWL)
The purpose of a feedwater Regulator is to ____
Maintain a constant water level in the boiler
Feedwater regulators control the feedwater pump to maintain the water level ____
at the NOWL
The sequence of three numbers found on the nameplate mounted on a reciprocating feedwater pump refers to the ____
Diameter of the steam piston, diameter of the water piston, and length of the pump stroke
____ are usually used to create the draft needed to overcome the resistance caused by economizer tubes
Induced draft fans (and sometimes a balanced draft system)
An economizer uses the heat energy from the gases of combustion leaving the boiler to heat the ____
Feedwater
What type of pump is a Turbine feedwater pump? ____
Positive-displacement pumps
A turbine feedwater pump must be equipped with a(n) ____ on the discharge line to protect the pump from excessive pressure
Relief Valve
Water that is too hot in the open feedwater heater can cause ____
The feedwater pump to become steambound
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