Page 1 of 54
OHIO STATIONARY STEAM ENGINEER
CERTIFICATION 2026 EXAM COMPLETE (288)
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT
ANSWERS|GUARANTEED PASS.
STEAM ENGINEER
Prepare confidently with this Ohio Stationary Steam Engineer
Certification Exam, designed to assess essential knowledge of
boiler operation and steam plant systems. It focuses on safety
procedures, equipment maintenance, and Ohio regulatory
requirements for stationary engineering. The exam strengthens
technical competency and operational decision-making in
industrial environments. Suitable for stationary engineer
certification candidates and industrial maintenance
professionals.
What are you measuring in a 3 element control system? ✓ ✓
...... ANSWER ....... feedwater flow, steam flow, drum level
What type of regulator is best for a boiler with wide pressure
and load swings? ✓ ✓ ...... ANSWER ....... 3 element
, Page 2 of 54
When using a 3 element feedwater regulating system, which
is the analog input? ✓ ✓ ...... ANSWER ....... drum level
How often should a makeup feedwater regulating system in
a LP boiler be blown down? ✓ ✓ ...... ANSWER ....... once
per week
A centrifugal pump is characterized by its: ✓ ✓ ......
ANSWER ....... diffusion rings
When starting a centrifugal pump the valve should be set
with the ✓ ✓ ...... ANSWER ....... suction open, discharge
closed
Lube oils should not give off volatile vapors at: ✓ ✓ ......
ANSWER ....... 325-350 degrees
A type of pump that uses the velocity of steam against a
mass of water is a : ✓ ✓ ...... ANSWER ....... injector
, Page 3 of 54
Calcium and magnesium are removed by what external
water treatment process that can be regenerated using
sodium chloride? ✓ ✓ ...... ANSWER ....... zeolite
softener
What is the best way to get good water treatment results? ✓
✓ ...... ANSWER ....... combination of internal and external
treatment
How can temporary hardness be removed from water?
-By heating water
-By softening the water
-by treating the water with sodium sulfite
either 1 or 2 ✓ ✓ ...... ANSWER ....... either 1 or 2
What pH value shows alkalinity? ✓ ✓ ...... ANSWER .......
9
A boiler has been under stress for an extended period of time
with high alakalinity concentration maintained in the water.
, Page 4 of 54
This can cause? ✓ ✓ ...... ANSWER ....... caustic
embrittlement
What condition caused by improper water treatment may be
remedied by maintaining proper alkalinity? ✓ ✓ ......
ANSWER ....... foaming.carryover
What test is used to measure hardness? ✓ ✓ ...... ANSWER
....... SOAP TEST
What water test uses a color comparison? ✓ ✓ ......
ANSWER ....... phosphate
When must a boiler have 2 bottom blowdown valves? ✓ ✓
...... ANSWER ....... if the pressure is higher than 100 psi
What is the maximum pressure for which a seatless type
blowdown valve can be used? ✓ ✓ ...... ANSWER .......
450 psi
OHIO STATIONARY STEAM ENGINEER
CERTIFICATION 2026 EXAM COMPLETE (288)
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT
ANSWERS|GUARANTEED PASS.
STEAM ENGINEER
Prepare confidently with this Ohio Stationary Steam Engineer
Certification Exam, designed to assess essential knowledge of
boiler operation and steam plant systems. It focuses on safety
procedures, equipment maintenance, and Ohio regulatory
requirements for stationary engineering. The exam strengthens
technical competency and operational decision-making in
industrial environments. Suitable for stationary engineer
certification candidates and industrial maintenance
professionals.
What are you measuring in a 3 element control system? ✓ ✓
...... ANSWER ....... feedwater flow, steam flow, drum level
What type of regulator is best for a boiler with wide pressure
and load swings? ✓ ✓ ...... ANSWER ....... 3 element
, Page 2 of 54
When using a 3 element feedwater regulating system, which
is the analog input? ✓ ✓ ...... ANSWER ....... drum level
How often should a makeup feedwater regulating system in
a LP boiler be blown down? ✓ ✓ ...... ANSWER ....... once
per week
A centrifugal pump is characterized by its: ✓ ✓ ......
ANSWER ....... diffusion rings
When starting a centrifugal pump the valve should be set
with the ✓ ✓ ...... ANSWER ....... suction open, discharge
closed
Lube oils should not give off volatile vapors at: ✓ ✓ ......
ANSWER ....... 325-350 degrees
A type of pump that uses the velocity of steam against a
mass of water is a : ✓ ✓ ...... ANSWER ....... injector
, Page 3 of 54
Calcium and magnesium are removed by what external
water treatment process that can be regenerated using
sodium chloride? ✓ ✓ ...... ANSWER ....... zeolite
softener
What is the best way to get good water treatment results? ✓
✓ ...... ANSWER ....... combination of internal and external
treatment
How can temporary hardness be removed from water?
-By heating water
-By softening the water
-by treating the water with sodium sulfite
either 1 or 2 ✓ ✓ ...... ANSWER ....... either 1 or 2
What pH value shows alkalinity? ✓ ✓ ...... ANSWER .......
9
A boiler has been under stress for an extended period of time
with high alakalinity concentration maintained in the water.
, Page 4 of 54
This can cause? ✓ ✓ ...... ANSWER ....... caustic
embrittlement
What condition caused by improper water treatment may be
remedied by maintaining proper alkalinity? ✓ ✓ ......
ANSWER ....... foaming.carryover
What test is used to measure hardness? ✓ ✓ ...... ANSWER
....... SOAP TEST
What water test uses a color comparison? ✓ ✓ ......
ANSWER ....... phosphate
When must a boiler have 2 bottom blowdown valves? ✓ ✓
...... ANSWER ....... if the pressure is higher than 100 psi
What is the maximum pressure for which a seatless type
blowdown valve can be used? ✓ ✓ ...... ANSWER .......
450 psi
