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OHIO STATIONARY STEAM ENGINEER EXAM LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
A flame scanner containing a lead sulfide cell is sensitive to -
ANSWER-Infrared radiation
When may a bottom blow down line be as small as 3/4"? -
ANSWER-if the boiler has fewer than 100 sqft of heating surface
A sudden increase in the temp of the flue gases entering the stack
from the breeching would likely indicate: - ANSWER-a broken flue
gas baffle
What is a superheater vent used for? - ANSWER-establish flow
through the superheater
Which of the following will help prevent furnace explosion?
-Ensuring a safe boiler water level at all times
-Setting the vaporstat to the highest allowable pressure setting
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-Maintaining safety valves in good condition
-Purging the furnace after flame failure - ANSWER-Purging the
furnace after flame failure
Boilers laid up dry, have what material placed inside to absorb
moisture? - ANSWER-Quicklime or silica gel
What condition is caused by the presence of oxygen in the boiler?
- ANSWER-pitting
For what is the ringlemann test used? - ANSWER-measure
smoke density leaving the stack
If a flame failure occurs, how much time may pass before the
flame scanner detects the loss of flame and causes a boiler S/D -
ANSWER-4 seconds
Under what condition is it common for a combustion air preheater
to be bypassed? - ANSWER-whe the boiler is being started, or
operating under a light load
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A therm of natural gas is_____ - ANSWER-100,000 BTU
reguarless of the exact volume
How are the tubes usually secured in the construction of a
firetube boiler? - ANSWER-expanded with a madrel and then
beaded
What is used to heat feedwater passing through an economizer? -
ANSWER-gasses of combustion exiting the boiler
What type of pump is generally used for delivering chemical
treatment solutions into a steam boiler - ANSWER-metering pump
What is the flash point of fuel oil - ANSWER-The lowest temp at
which fuel produces enough vapors to cause flash of flame when
exposed to an ignition source
When performing an evaportaion test on a low water fuel cutoff
control, which of the following must be done by the operator?
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-Slowly close the non-return valve until the safety valve
discharges
-drain the float chamber on the low water fuel cutoff control
S/D and cool the boiler before performing the test
-secure the feedwater going to the boiler - ANSWER--secure the
feedwater going to the boiler
What is measured to determine how much excess air is being
used for combustion? - ANSWER-the % of O2 in the flue gases
What change in steam pressure in the boiler occurs when the
bottom blowdown valves are opened? - ANSWER-there is no
change
What is commonly used to increase the quality of the steam
leaving the boiler? - ANSWER-dry pipe
What vale presents the least resistance to flow of steam? -
ANSWER-gate valve
OHIO STATIONARY STEAM ENGINEER EXAM LATEST 2026-2027
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
A flame scanner containing a lead sulfide cell is sensitive to -
ANSWER-Infrared radiation
When may a bottom blow down line be as small as 3/4"? -
ANSWER-if the boiler has fewer than 100 sqft of heating surface
A sudden increase in the temp of the flue gases entering the stack
from the breeching would likely indicate: - ANSWER-a broken flue
gas baffle
What is a superheater vent used for? - ANSWER-establish flow
through the superheater
Which of the following will help prevent furnace explosion?
-Ensuring a safe boiler water level at all times
-Setting the vaporstat to the highest allowable pressure setting
,2|Page
-Maintaining safety valves in good condition
-Purging the furnace after flame failure - ANSWER-Purging the
furnace after flame failure
Boilers laid up dry, have what material placed inside to absorb
moisture? - ANSWER-Quicklime or silica gel
What condition is caused by the presence of oxygen in the boiler?
- ANSWER-pitting
For what is the ringlemann test used? - ANSWER-measure
smoke density leaving the stack
If a flame failure occurs, how much time may pass before the
flame scanner detects the loss of flame and causes a boiler S/D -
ANSWER-4 seconds
Under what condition is it common for a combustion air preheater
to be bypassed? - ANSWER-whe the boiler is being started, or
operating under a light load
,3|Page
A therm of natural gas is_____ - ANSWER-100,000 BTU
reguarless of the exact volume
How are the tubes usually secured in the construction of a
firetube boiler? - ANSWER-expanded with a madrel and then
beaded
What is used to heat feedwater passing through an economizer? -
ANSWER-gasses of combustion exiting the boiler
What type of pump is generally used for delivering chemical
treatment solutions into a steam boiler - ANSWER-metering pump
What is the flash point of fuel oil - ANSWER-The lowest temp at
which fuel produces enough vapors to cause flash of flame when
exposed to an ignition source
When performing an evaportaion test on a low water fuel cutoff
control, which of the following must be done by the operator?
, 4|Page
-Slowly close the non-return valve until the safety valve
discharges
-drain the float chamber on the low water fuel cutoff control
S/D and cool the boiler before performing the test
-secure the feedwater going to the boiler - ANSWER--secure the
feedwater going to the boiler
What is measured to determine how much excess air is being
used for combustion? - ANSWER-the % of O2 in the flue gases
What change in steam pressure in the boiler occurs when the
bottom blowdown valves are opened? - ANSWER-there is no
change
What is commonly used to increase the quality of the steam
leaving the boiler? - ANSWER-dry pipe
What vale presents the least resistance to flow of steam? -
ANSWER-gate valve
