3rd CLASS STATIONARY STEAM ENGINEER
LICENSE EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTION|ALREADY
GRADED A+|NEWEST|JUST RELEASED
|GUARANTEED PASS!!
sewer lines are protected from pressure and temperature by the _______ when blowing
down a boiler
blowdown tank
the upper connection to a gauge glasses closed. If the boiler has a normal water level, the
level on the gauge glass will show _______ glass
full
combustion controls on a boiler are used to _____
control the air fuel ratio
ceiling strips that warned of excessive radial tolerance are found on_____
steam turbines
pre-purge, air to fuel ratio, and post Purge of the burner are functions of the _______
combustion controls
a water column______
reduces fluctuations of water in the gauge glass
1|Page
,the low water fuel cutoff can be tested by _____
allowing the water level to drop
boilers that are equipped with air heaters and economizers usually have_____ draft fans
forced and induced
baffles are used in the Steam and water drum of water tube boilers to _____
prevent water carry over with the steam
a closed feedwater heater is always installed_______
on the discharge side of the feed water pump
the purpose of a burner pressure control is to _____
start and stop the burner firing cycle
a gas pressure regulator is used to control the ______
gas pressure at the burner
if the chimney temperature is 250 degrees Fahrenheit higher than the Steam and water
temperature, the boiler is _______
not operating efficiently
the most controllable heat loss in a boiler is from the loss of heat in______
gases of combustion
on the feed water line, the valve closest to the boiler shell is a _____ valve
stop
four basic systems found on boilers are ______<
steam, feed water, fuel, and draft
if a low-water condition occurs, the operator should first _______
2|Page
, secure the burners
a pressure control on a boiler is used to. _______
control the operating range of the boiler
sup blowers are most commonly found ______
on water tube boilers
a duplex reciprocating feed water pump operates on the principle that the _______
steam piston area must be 2 to 2 1/2 times larger than the water piston
when testing the safety valve by hand, it is the accepted practice to have. _________
at least 75% popping pressure before testing
oxygen in a boiler drum causes. ________
pitting
__________ steam turbines allow condensate to be reclaimed for use in the system
condensing
with water at a temperature of 212°f, 1 bhp is equivalent to the evaporation of 34.5 lb of
water every ________ hour(s)
1
in a closed feedwater heater, the _________
Steam and water do not mix
sensible heat is heat that ______
changes the temperature of a substance but not its state
when performing a hydrostatic test on a boiler, the safety valve must be. ________
removed from the boiler and the opening blank or gagged
3|Page
LICENSE EXAM 2026/2027 WITH ACTUAL
CORRECT QUESTIONS AND VERIFIED
DETAILED ANSWERS |FREQUENTLY TESTED
QUESTIONS AND SOLUTION|ALREADY
GRADED A+|NEWEST|JUST RELEASED
|GUARANTEED PASS!!
sewer lines are protected from pressure and temperature by the _______ when blowing
down a boiler
blowdown tank
the upper connection to a gauge glasses closed. If the boiler has a normal water level, the
level on the gauge glass will show _______ glass
full
combustion controls on a boiler are used to _____
control the air fuel ratio
ceiling strips that warned of excessive radial tolerance are found on_____
steam turbines
pre-purge, air to fuel ratio, and post Purge of the burner are functions of the _______
combustion controls
a water column______
reduces fluctuations of water in the gauge glass
1|Page
,the low water fuel cutoff can be tested by _____
allowing the water level to drop
boilers that are equipped with air heaters and economizers usually have_____ draft fans
forced and induced
baffles are used in the Steam and water drum of water tube boilers to _____
prevent water carry over with the steam
a closed feedwater heater is always installed_______
on the discharge side of the feed water pump
the purpose of a burner pressure control is to _____
start and stop the burner firing cycle
a gas pressure regulator is used to control the ______
gas pressure at the burner
if the chimney temperature is 250 degrees Fahrenheit higher than the Steam and water
temperature, the boiler is _______
not operating efficiently
the most controllable heat loss in a boiler is from the loss of heat in______
gases of combustion
on the feed water line, the valve closest to the boiler shell is a _____ valve
stop
four basic systems found on boilers are ______<
steam, feed water, fuel, and draft
if a low-water condition occurs, the operator should first _______
2|Page
, secure the burners
a pressure control on a boiler is used to. _______
control the operating range of the boiler
sup blowers are most commonly found ______
on water tube boilers
a duplex reciprocating feed water pump operates on the principle that the _______
steam piston area must be 2 to 2 1/2 times larger than the water piston
when testing the safety valve by hand, it is the accepted practice to have. _________
at least 75% popping pressure before testing
oxygen in a boiler drum causes. ________
pitting
__________ steam turbines allow condensate to be reclaimed for use in the system
condensing
with water at a temperature of 212°f, 1 bhp is equivalent to the evaporation of 34.5 lb of
water every ________ hour(s)
1
in a closed feedwater heater, the _________
Steam and water do not mix
sensible heat is heat that ______
changes the temperature of a substance but not its state
when performing a hydrostatic test on a boiler, the safety valve must be. ________
removed from the boiler and the opening blank or gagged
3|Page
