OHIO STATIONARY STEAM ENGINEER 2024-
2025 QUESTIONS WITH 100% CORRECT
ANSWER
Combustion efficiency may be increased by_____ the primary air - CORRECT ANSWER
Preheating
What is the purpose of cinder reinjection? - CORRECT ANSWER increase efficiency
2 forces of equal intensity acting in opposite directions is? - CORRECT ANSWER
tension
What is true about the dew poimt of flue gasses - CORRECT ANSWER dew point is
the temp at which the gasses will condense
What will not cause high stack temps? - CORRECT ANSWER plugged dry pipe
What is true about smoke - CORRECT ANSWER smoke consists of unburned
hydrocarbons
WHat is used to reduce SO2 emissions in coal fired boilers? - CORRECT ANSWER
Wet or dry scrubbers
In a solid fuel fired boiler, a gradual increase in flue gas exit temps over a course of a
shift inidicates the boiler operator needs to _______ - CORRECT ANSWER operate
soot blowers
,OHIO STATIONARY STEAM ENGINEER 2024-
2025 QUESTIONS WITH 100% CORRECT
ANSWER
What watertube bolier is the largest in size and steam-generating compacitity -
CORRECT ANSWER Utility watertube boiler
the blowdown on a safety valve can be altered by changing the setting of the _____ -
CORRECT ANSWER huddling ring
Copper and brass piping may be used for piping systems as long as the temp does not
exceed - CORRECT ANSWER 406 degrees
What is not measured in a 3 element feedwater system
-feedwater flow
-drum pressure
-steam flow
-drum level - CORRECT ANSWER drum pressure
If the flame in a gas-fired bolier is pulsating how can the problem be fixed? -
CORRECT ANSWER increase furnace draft
Grindability of coal is an issue to be considered when operating which kid of coal-
burining equipment? - CORRECT ANSWER ball-and-race pulvarizer
When using an induced draft fan, where will the strongest negative draft be found -
CORRECT ANSWER at the inlet of the ID fan
How do you bank a fuel oil-fired boiler? - CORRECT ANSWER turn off the fuel and
air supplies, the re-light the burner as necessary to maintain a predetermined minimum
steam pressure
What is true about the lube oil used in a steam turbine - CORRECT ANSWER it must
readily seperate oil and water
What supplies the oil to a large steam turbine during start-up - CORRECT ANSWER
aux oil pump
What device prevents the over-travel of the governor linkage that might be caused by
the weight of the governor components - CORRECT ANSWER Dashpot
When taking a boiler out of service what should you not do - CORRECT ANSWER
close the vent
what type of turbine oil purification system periodically removes a potion of the oil and
replaces it with fresh oil? - CORRECT ANSWER makeup oil system
what type of steam turbine system has steam take-offs prior to going into the
condenser? - CORRECT ANSWER extraction turbine
, OHIO STATIONARY STEAM ENGINEER 2024-
2025 QUESTIONS WITH 100% CORRECT
ANSWER
What is the pressure above which the exhaust side of a steam turbine and the connected
piping may be protected by either a safety valve or a rupture disc, or a combination of
the 2 - CORRECT ANSWER 15 psi
What grade fuel oil may be ignited by an electric spark from electrodes powered by an
ignition transformer? - CORRECT ANSWER #2
what is the cheapest, easiest form of water treatment? - CORRECT ANSWER
heating the water
A turbine exhausts steam @ 15 psi. This steam is used in a low-pressure application
such as a deareator. this type of turbine is called a: - CORRECT ANSWER back-
pressure turbine
At what temp should you add cooling water to a turbines bearings? - CORRECT
ANSWER 110-120 degrees
What is produced from the reaction between sodium sulfite and oxygen? - CORRECT
ANSWER sodium sulfate
What is the purpose of an attemperator - CORRECT ANSWER reduce temp of
superheated steam by adding a water mist
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