OHIO STATIONARY STEAM ENGINEER EXAM
2026/2027 WITH ACTUAL CORRECT QUESTIONS
AND VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTION|ALREADY GRADED
A+|NEWEST|JUST RELEASED |GUARANTEED
PASS!!
Combustion efficiency may be increased by_____ the primary air
Preheating
What is the purpose of cinder reinjection?
increase efficiency
2 forces of equal intensity acting in opposite directions is?
tension
What is true about the dew point of flue gasses
dew point is the temp at which the gasses will condense
What will not cause high stack temps?
plugged dry pipe
What is true about smoke
smoke consists of unburned hydrocarbons
What is used to reduce SO2 emissions in coal fired boilers?
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 _______
1|Page
,operate soot blowers
What watertube boiler is the largest in size and steam-generating compacitity
Utility watertube boiler
the blowdown on a safety valve can be altered by changing the setting of the _____
huddling ring
Copper and brass piping may be used for piping systems as long as the temp does not
exceed
406 degrees
What is not measured in a 3 element feedwater system
-feedwater flow
-drum pressure
-steam flow
-drum level
drum pressure
If the flame in a gas-fired bolier is pulsating how can the problem be fixed?
increase furnace draft
Grindability of coal is an issue to be considered when operating which kid of coal-burining
equipment?
ball-and-race pulvarizer
When using an induced draft fan, where will the strongest negative draft be found
at the inlet of the ID fan
How do you bank a fuel oil-fired boiler?
2|Page
,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
it must readily seperate oil and water
What supplies the oil to a large steam turbine during start-up
aux oil pump
What device prevents the over-travel of the governor linkage that might be caused by the
weight of the governor components
Dashpot
When taking a boiler out of service what should you not do
close the vent
what type of turbine oil purification system periodically removes a potion of the oil and
replaces it with fresh oil?
makeup oil system
what type of steam turbine system has steam take-offs prior to going into the condenser?
extraction turbine
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
15 psi
What grade fuel oil may be ignited by an electric spark from electrodes powered by an
ignition transformer?
#2
what is the cheapest, easiest form of water treatment?
3|Page
, 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:
back-pressure turbine
At what temp should you add cooling water to a turbines bearings?
110-120 degrees
What is produced from the reaction between sodium sulfite and oxygen?
sodium sulfate
What is the purpose of an attemperator
reduce temp of superheated steam by adding a water mist
What are the 2 main methods by which steam is prevented from leaking out around the
turbine shaft where the shaft exits the casing?
labyrinth seals and carbon rings
If the water in a boiler is foaming, the water level indication in the gauge glass will be:
erratic
Cast iron or ductile iron pipe is used for:
underground water supply and drainage
What is the maximum allowable level of dissolved solids in the steam being supplied to a
steam turbine?
.1 ppm
If a boiler requires a second safety valve, the highest pressure setting on the additional
valve should not exceed the MAWP by more than
3%
4|Page
2026/2027 WITH ACTUAL CORRECT QUESTIONS
AND VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTION|ALREADY GRADED
A+|NEWEST|JUST RELEASED |GUARANTEED
PASS!!
Combustion efficiency may be increased by_____ the primary air
Preheating
What is the purpose of cinder reinjection?
increase efficiency
2 forces of equal intensity acting in opposite directions is?
tension
What is true about the dew point of flue gasses
dew point is the temp at which the gasses will condense
What will not cause high stack temps?
plugged dry pipe
What is true about smoke
smoke consists of unburned hydrocarbons
What is used to reduce SO2 emissions in coal fired boilers?
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 _______
1|Page
,operate soot blowers
What watertube boiler is the largest in size and steam-generating compacitity
Utility watertube boiler
the blowdown on a safety valve can be altered by changing the setting of the _____
huddling ring
Copper and brass piping may be used for piping systems as long as the temp does not
exceed
406 degrees
What is not measured in a 3 element feedwater system
-feedwater flow
-drum pressure
-steam flow
-drum level
drum pressure
If the flame in a gas-fired bolier is pulsating how can the problem be fixed?
increase furnace draft
Grindability of coal is an issue to be considered when operating which kid of coal-burining
equipment?
ball-and-race pulvarizer
When using an induced draft fan, where will the strongest negative draft be found
at the inlet of the ID fan
How do you bank a fuel oil-fired boiler?
2|Page
,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
it must readily seperate oil and water
What supplies the oil to a large steam turbine during start-up
aux oil pump
What device prevents the over-travel of the governor linkage that might be caused by the
weight of the governor components
Dashpot
When taking a boiler out of service what should you not do
close the vent
what type of turbine oil purification system periodically removes a potion of the oil and
replaces it with fresh oil?
makeup oil system
what type of steam turbine system has steam take-offs prior to going into the condenser?
extraction turbine
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
15 psi
What grade fuel oil may be ignited by an electric spark from electrodes powered by an
ignition transformer?
#2
what is the cheapest, easiest form of water treatment?
3|Page
, 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:
back-pressure turbine
At what temp should you add cooling water to a turbines bearings?
110-120 degrees
What is produced from the reaction between sodium sulfite and oxygen?
sodium sulfate
What is the purpose of an attemperator
reduce temp of superheated steam by adding a water mist
What are the 2 main methods by which steam is prevented from leaking out around the
turbine shaft where the shaft exits the casing?
labyrinth seals and carbon rings
If the water in a boiler is foaming, the water level indication in the gauge glass will be:
erratic
Cast iron or ductile iron pipe is used for:
underground water supply and drainage
What is the maximum allowable level of dissolved solids in the steam being supplied to a
steam turbine?
.1 ppm
If a boiler requires a second safety valve, the highest pressure setting on the additional
valve should not exceed the MAWP by more than
3%
4|Page
