Stationary Engineering Exam|| Most Recent Exam
2026-2027 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already
Graded A+ | Newest Exam | Just Released!!
What is "blowback" when referring to a safety valve? -
ANSWER -The difference in psi between when a safety valve
pops open and then closes with a definite drop in pressure.
Name two ways to test a safety valve. - ANSWER -By
Hand - Manual
By Pressure -
Accumulation
How many safety valves are required on a boiler with more
than 500 ft.² of
heating surface? - ANSWER -2
or more
What device inside the steam pressure gauge enables it to
work? Who invented
it and when? - ANSWER -
Bourdon Tube
Eugene
Bourdon
,In
1849
What are the two types of siphons and what is their purpose?
What are they
filled with? - ANSWER -Pigtail
and U-tube
Keeps live steam out of the
gauge
Filled with
water
What is the location of the water column? - ANSWER -Piped
such that the top of the bottom gauge glass nut is 2 to 3 inches
above the top row of tubes on a
fire tube boiler and 3 inches on a
water tube.
Which blowdown valve is located nearest the boiler? -
ANSWER -The quick
blowdown
valve
The four reasons for using bottom blowdown valves. -
ANSWER -Reduce high
water
level
Control chemical
concentrations
, Remove sludge and
sediment
Dumping the
boiler
The ASME requires which boiler to have a fusible plug? Melting
temp? What is
the center made out of? - ANSWER -
Coal Fired
450°F
Banca
Tin
What is the purpose of the boiler vent? - ANSWER -To allow air
into a boiler when dumping. To allow air out of a boiler when
filling with water or steaming a cold boiler
What is the purpose of the pressure control? - ANSWER -Starts
and stops the
burner based on steam pressure
demand
Water in the Steamline can lead to what? - ANSWER -Water
hammer and
possible pipe
rupture
If the water level is too low in a boiler what is the possible
result? - ANSWER -
2026-2027 Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) Already
Graded A+ | Newest Exam | Just Released!!
What is "blowback" when referring to a safety valve? -
ANSWER -The difference in psi between when a safety valve
pops open and then closes with a definite drop in pressure.
Name two ways to test a safety valve. - ANSWER -By
Hand - Manual
By Pressure -
Accumulation
How many safety valves are required on a boiler with more
than 500 ft.² of
heating surface? - ANSWER -2
or more
What device inside the steam pressure gauge enables it to
work? Who invented
it and when? - ANSWER -
Bourdon Tube
Eugene
Bourdon
,In
1849
What are the two types of siphons and what is their purpose?
What are they
filled with? - ANSWER -Pigtail
and U-tube
Keeps live steam out of the
gauge
Filled with
water
What is the location of the water column? - ANSWER -Piped
such that the top of the bottom gauge glass nut is 2 to 3 inches
above the top row of tubes on a
fire tube boiler and 3 inches on a
water tube.
Which blowdown valve is located nearest the boiler? -
ANSWER -The quick
blowdown
valve
The four reasons for using bottom blowdown valves. -
ANSWER -Reduce high
water
level
Control chemical
concentrations
, Remove sludge and
sediment
Dumping the
boiler
The ASME requires which boiler to have a fusible plug? Melting
temp? What is
the center made out of? - ANSWER -
Coal Fired
450°F
Banca
Tin
What is the purpose of the boiler vent? - ANSWER -To allow air
into a boiler when dumping. To allow air out of a boiler when
filling with water or steaming a cold boiler
What is the purpose of the pressure control? - ANSWER -Starts
and stops the
burner based on steam pressure
demand
Water in the Steamline can lead to what? - ANSWER -Water
hammer and
possible pipe
rupture
If the water level is too low in a boiler what is the possible
result? - ANSWER -
