10 Questions
What is the first step in starting a small non-condensing steam turbine driving a feedwater pump?
Clear any lockouts or tagouts on the pump being started
Why is it important to check the area surrounding the pump for rags, tools, or other materials before starting the pump?
To avoid hampering the operation of the pump
When starting a centrifugal pump, in what position should the discharge valve be?
Closed
What is the purpose of opening the pump warm-up line when starting a small non-condensing steam turbine driving a feedwater pump?
To circulate hot boiler feed through the pump to warm it up
Who should give the direction for starting or stopping pumps and turbines?
Shift engineer or control room operator
What should be done first before starting the turbine?
Clear any lockouts or tagouts on the turbine being started.
What is the correct step for warming up the turbine after ensuring the steam header is at operating pressure?
Slowly warm up the steam line to the turbine and then close the manual drain and trap bypasses.
What should be checked while the turbine is on a slow roll?
The cooling system is at proper temperature ranges.
What should be done after manually testing the overspeed trip during turbine startup?
Close the steam inlet to the turbine.
What is a general instruction for stopping a small steam turbine driving a feedwater pump?
Gradually reduce feedwater pump load and then turn off cooling water to the pump and turbine lube oil systems.
Learn about the general instructions for starting a small non-condensing steam turbine used for driving a boiler feedwater pump, including the safety precautions and the necessity of consulting site-specific and manufacturer instructions. This quiz is essential for understanding the proper procedures for competent and qualified operators under the direction of the shift engineer or control room operator.
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