STATIONARY ENGINEER TEST EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 – 2025 ALREADY GRADED A+
If a priming situation occurs, what should you do? - ANSWERS-Reduce
the firing rate and blow the boiler down to gain control of the water
level
If the boiler is priming so badly that you cannot see the water level,
what action
should be taken? - ANSWERS-close the main steam stop long enough to
determine the water level
The water level in a steam boiler has been proven to be low. What step
should be
taken first? - ANSWERS-stop the air and fuel supplies
,If you have a boiler tube leak, what is your primary concern? -
ANSWERS-Cutting other tubes in the boiler
Which is true about an industrial boiler as compared to a utility boiler? -
ANSWERS-Idustrial boilers operate at lower pressures and
temperatures
Utility boilers are used primarily to produce - ANSWERS-High pressure
steam to drive turbines that make electricity
Which of the following is NOT a type of fire tube boiler? - ANSWERS-
Stirling
Which of the following is an example of a cogeneration system? -
ANSWERS-Exhaust gases from a combustion turbine driven generator
are used to make steam in a boiler for a secondary purpose
If the tubes in a boiler are expanded during installation, which of the
following will
be true? - ANSWERS-The ID is increased
When designing a boiler, special consideration must be given to heat
transmission - ANSWERS-Radiation, conduction, and convection
,Which type of heat transfer takes place by actual physical contact, from
molecule to molecule, without displacing the molecules? - ANSWERS-
Conduction
Which type of boiler is the most economical to build? - ANSWERS-
Firetube
A boiler is an industrial boiler when - ANSWERS-The steam generated is
used for a process
When a new tube is installed in a firetube boiler, which of the following
happens to
the tube? - ANSWERS-The tube is lengthened
What is the MINIMUM size of an elliptical manhole on a boiler? -
ANSWERS-11" x 15"
What is the MINIMUM water temperature to be used for a hydrostatic
test? - ANSWERS-70 degrees F
, How many sq ft of heating surface are required to produce 1
horsepower in a HRT
firetube boiler? - ANSWERS-12 sq ft
How many sq ft of heating surface are required to produce 1
horsepower in a
vertical firetube boiler? - ANSWERS-14 sq ft
How many sq ft of heating surface are required to produce 1
horsepower in a
watertube boiler? - ANSWERS-10 sq ft
If a high pressure boiler is at its highest operating pressure below the
MAWP,
where will the pointer on the pressure gauge be? - ANSWERS-at 12ʻ o
clock
A gauge that reads higher than the actual boiler pressure is called a -
ANSWERS-Fast gauge
Which is true about a boiler pressure mercury switch? - ANSWERS-
Mercury switch must be installed with pigtail siphon vertically
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2024 – 2025 ALREADY GRADED A+
If a priming situation occurs, what should you do? - ANSWERS-Reduce
the firing rate and blow the boiler down to gain control of the water
level
If the boiler is priming so badly that you cannot see the water level,
what action
should be taken? - ANSWERS-close the main steam stop long enough to
determine the water level
The water level in a steam boiler has been proven to be low. What step
should be
taken first? - ANSWERS-stop the air and fuel supplies
,If you have a boiler tube leak, what is your primary concern? -
ANSWERS-Cutting other tubes in the boiler
Which is true about an industrial boiler as compared to a utility boiler? -
ANSWERS-Idustrial boilers operate at lower pressures and
temperatures
Utility boilers are used primarily to produce - ANSWERS-High pressure
steam to drive turbines that make electricity
Which of the following is NOT a type of fire tube boiler? - ANSWERS-
Stirling
Which of the following is an example of a cogeneration system? -
ANSWERS-Exhaust gases from a combustion turbine driven generator
are used to make steam in a boiler for a secondary purpose
If the tubes in a boiler are expanded during installation, which of the
following will
be true? - ANSWERS-The ID is increased
When designing a boiler, special consideration must be given to heat
transmission - ANSWERS-Radiation, conduction, and convection
,Which type of heat transfer takes place by actual physical contact, from
molecule to molecule, without displacing the molecules? - ANSWERS-
Conduction
Which type of boiler is the most economical to build? - ANSWERS-
Firetube
A boiler is an industrial boiler when - ANSWERS-The steam generated is
used for a process
When a new tube is installed in a firetube boiler, which of the following
happens to
the tube? - ANSWERS-The tube is lengthened
What is the MINIMUM size of an elliptical manhole on a boiler? -
ANSWERS-11" x 15"
What is the MINIMUM water temperature to be used for a hydrostatic
test? - ANSWERS-70 degrees F
, How many sq ft of heating surface are required to produce 1
horsepower in a HRT
firetube boiler? - ANSWERS-12 sq ft
How many sq ft of heating surface are required to produce 1
horsepower in a
vertical firetube boiler? - ANSWERS-14 sq ft
How many sq ft of heating surface are required to produce 1
horsepower in a
watertube boiler? - ANSWERS-10 sq ft
If a high pressure boiler is at its highest operating pressure below the
MAWP,
where will the pointer on the pressure gauge be? - ANSWERS-at 12ʻ o
clock
A gauge that reads higher than the actual boiler pressure is called a -
ANSWERS-Fast gauge
Which is true about a boiler pressure mercury switch? - ANSWERS-
Mercury switch must be installed with pigtail siphon vertically
