SPECIAL BOILER 2026 EXAMINATION SET QUESTIONS AND
ANSWERS GUARANTEE A+
✔✔Convection is a method of heat transfer where the movement of the fluids is due
solely to the — - ✔✔flow of fluids
✔✔Large high pressure utility boilers use - ✔✔balanced draft
✔✔When heat transfer occurs by travelling through metal, it is known as — -
✔✔conduction
✔✔An example of the transfer of heat by radiation is - ✔✔the heating effect of the sun
on the earth
✔✔The document governing boiler fittings and valves is the _ Code. - ✔✔ASME
✔✔The best method of testing a low-water fuel cutoff (LWCO) is to - ✔✔lower the water
level in the boiler to the level where the burner should cut out
✔✔Rules governing the construction of power boilers are set out in — - ✔✔ASME Code
Section I
✔✔A way to determine if a safety valve on a boiler has sufficient capacity is to. -
✔✔perform an accumulation test
✔✔A hydrostatic test is considered to be a ___ test that is used to determine if the
component works as designed. - ✔✔proof
✔✔The material used most frequently for piping is - ✔✔Low carbon steel
✔✔In a natural draft furnace, the amount of draft is affected by the ___ - ✔✔Height of
the stack
✔✔A check valve is a valve that - ✔✔allows flow in two directions
✔✔Expansion bends or joints are installed in piping systems to — - ✔✔allow for
expansion and contraction of the piping without causing damage
✔✔The main purpose of installing insulation on steam system piping is to - ✔✔prevent
heat loss
✔✔The purpose of a steam trap is to - ✔✔remove air and condensate from steam lines
, ✔✔Boiler stays - ✔✔are used to support tube sheets in a boiler
✔✔Handhole and manhole openings - ✔✔permit inspection, cleaning, and repairs
✔✔A low-water fuel cutoff (LWCO) is used on a boiler to prevent - ✔✔damage to the
boiler from overheating
✔✔The boiler heating surface - ✔✔can be used to determine the boiler capacity
✔✔With regard to steam boilers, the letters "HRT" mean _ - ✔✔Horizontal return tubular
✔✔When hot combustion gases travel through boiler tubes that are surrounded by
boiler water, the boiler is called a ___ boiler. - ✔✔firetube boiler
✔✔The two general designs of electric boilers are the — types. - ✔✔electrode and
resistance
✔✔Continuous blowdown systems are used in boilers — - ✔✔to help control the
dissolved solids concentration
✔✔A watertube boiler is a boiler that has - ✔✔water on the inside of the tubes and hot
gas on the outside of the tubes
✔✔The low-water fuel cutoff (LWCO) is a device fitted to the boiler to shut off the -
✔✔fuel supply to the burners when water level in the boiler is low
✔✔The purpose of the spring in a safety valve is to - ✔✔force the valve to open at the
correct pressure
✔✔The safety valve test lever must not be used unless - ✔✔another licensed engineer
is present
✔✔A siphon tube is necessary to - ✔✔prevent water from entering a steam gauge
✔✔A test connection between the siphon tube and the boiler pressure gauge is needed
to - ✔✔test steam temperature at the pressure shown on the gauge
✔✔Try cocks on a water column are used to _ - ✔✔check the water level in the boiler
✔✔A ____________ blowdown is performed to remove sludge from a boiler -
✔✔bottom
✔✔Boiler baffles are used - ✔✔in every boiler furnace
ANSWERS GUARANTEE A+
✔✔Convection is a method of heat transfer where the movement of the fluids is due
solely to the — - ✔✔flow of fluids
✔✔Large high pressure utility boilers use - ✔✔balanced draft
✔✔When heat transfer occurs by travelling through metal, it is known as — -
✔✔conduction
✔✔An example of the transfer of heat by radiation is - ✔✔the heating effect of the sun
on the earth
✔✔The document governing boiler fittings and valves is the _ Code. - ✔✔ASME
✔✔The best method of testing a low-water fuel cutoff (LWCO) is to - ✔✔lower the water
level in the boiler to the level where the burner should cut out
✔✔Rules governing the construction of power boilers are set out in — - ✔✔ASME Code
Section I
✔✔A way to determine if a safety valve on a boiler has sufficient capacity is to. -
✔✔perform an accumulation test
✔✔A hydrostatic test is considered to be a ___ test that is used to determine if the
component works as designed. - ✔✔proof
✔✔The material used most frequently for piping is - ✔✔Low carbon steel
✔✔In a natural draft furnace, the amount of draft is affected by the ___ - ✔✔Height of
the stack
✔✔A check valve is a valve that - ✔✔allows flow in two directions
✔✔Expansion bends or joints are installed in piping systems to — - ✔✔allow for
expansion and contraction of the piping without causing damage
✔✔The main purpose of installing insulation on steam system piping is to - ✔✔prevent
heat loss
✔✔The purpose of a steam trap is to - ✔✔remove air and condensate from steam lines
, ✔✔Boiler stays - ✔✔are used to support tube sheets in a boiler
✔✔Handhole and manhole openings - ✔✔permit inspection, cleaning, and repairs
✔✔A low-water fuel cutoff (LWCO) is used on a boiler to prevent - ✔✔damage to the
boiler from overheating
✔✔The boiler heating surface - ✔✔can be used to determine the boiler capacity
✔✔With regard to steam boilers, the letters "HRT" mean _ - ✔✔Horizontal return tubular
✔✔When hot combustion gases travel through boiler tubes that are surrounded by
boiler water, the boiler is called a ___ boiler. - ✔✔firetube boiler
✔✔The two general designs of electric boilers are the — types. - ✔✔electrode and
resistance
✔✔Continuous blowdown systems are used in boilers — - ✔✔to help control the
dissolved solids concentration
✔✔A watertube boiler is a boiler that has - ✔✔water on the inside of the tubes and hot
gas on the outside of the tubes
✔✔The low-water fuel cutoff (LWCO) is a device fitted to the boiler to shut off the -
✔✔fuel supply to the burners when water level in the boiler is low
✔✔The purpose of the spring in a safety valve is to - ✔✔force the valve to open at the
correct pressure
✔✔The safety valve test lever must not be used unless - ✔✔another licensed engineer
is present
✔✔A siphon tube is necessary to - ✔✔prevent water from entering a steam gauge
✔✔A test connection between the siphon tube and the boiler pressure gauge is needed
to - ✔✔test steam temperature at the pressure shown on the gauge
✔✔Try cocks on a water column are used to _ - ✔✔check the water level in the boiler
✔✔A ____________ blowdown is performed to remove sludge from a boiler -
✔✔bottom
✔✔Boiler baffles are used - ✔✔in every boiler furnace
