High Pressure Steam Exam Questions Fully Solved Latest Update 2025-2026 Already Passed
what term is used where it is not practical to return condensate? - Answers a non condensing plant
what is a disadvantage of high pressure steam used for heating - Answers needs better quality
feedwater
excess steam is vented to atmosphere on a flash steam system by - Answers a back pressure valve
what ASME code covers petroleum piping - Answers B31.3
what section of the ASME code covers welding procedures - Answers Section IX
ASME codes are set to _____________ standards - Answers minimum
what is the disadvantage of a fire tube boiler? - Answers as temperature and pressure are increased the
thickness of the shell will also increase
a water tube boiler is considered to be a boiler that has - Answers two drums and tube system used for
direct heat transfer
Steam-Generating units used in power generation primarily produce - Answers superheated steam
a miniature boiler is built/manufactured in accordance with - Answers ASME section I
a direct boiler built with a maximum steam pressure of 207 Kpa (30psig) is constructed in accordance
with - Answers ASME section I
a heating boiler is built in accordance with - Answers ASME section IV
What device will a power generation steam plant use between the high pressure and lower pressure
turbine - Answers reheaters
what is the primary function of an internal separator - Answers to separate wet saturated steam into dry
saturated steam
two types of superheaters are - Answers convection and radiant
the piping system from the steam generator to the turbine would be built in accordance with - Answers
ASME B31.1
when rating a steel high pressure boiler the agency that would do this service is - Answers SBI
boilers built to ASME section I scope are _______ rated - Answers gross
the ASME code for power piping is - Answers B31.1
the ASME code for fuel gas piping is - Answers B31.2
, the ASME code process piping - Answers B31.3
a _______________ is a tube or row of tubes (radiant or convection type coils) in which saturated steam
flows through and an increase in sensible heat is added to the saturated steam - Answers superheater
the superheater adds ____________ ______ to saturated steam - Answers sensible heat
what does the sensible heat from the superheat do to the steam and what is the benefits from this -
Answers the added heat removes moisture from the steam reducing turbine erosion and adds to the
efficiency of the turbine
the _____________ type superheater is primarily heated by the radiant heat energy from the furnace
(combustion chamber) - Answers radiant
the ___________ type super heater is heated only by flue gases (flue gas pass) leaving the boiler. -
Answers convection
One way of controlling the superheat temperature is by ___________ _ ____ ____ of pure feed water
into flow of super heated steam. the mist is evaporated by the superheated steam l, there fore reducing
temperature - Answers injecting a fine mist
a ________________ is a device in the form of a coil in the path of the superheated steam. cooler
feedwater in the tube absorbed heat from the steam, which causes the coil to sweat condensate -
Answers attemperator
the ________ ____ condenser sprays cold condensate into the exhaust steam flow, providing a means
to air elimination - Answers steam jet
a __________________ _________ valve is placed in a branch line leading from the the main exhaust
pipe to the atmosphere to avoid the possibility of having a pressure on the condenser - Answers
atmospheric relief valve
a relief valve is held closed by atmospheric pressure on top of the valve. as long as a vacuum is
maintained on the condenser, it remains ___________ - Answers closed
___ _______ condensers serve the same function as water cooled condensers and wet cooling towers.
they provide a low turbine back pressure, conserve the high purity water and deaerate the condensate -
Answers air cooled
air cooled steam condensers system may be _________ or ________ _______ - Answers mechanical or
natural draft
•make up water is not required
•maintance is less expensive
•large amount of treatment chemicals are not required
what term is used where it is not practical to return condensate? - Answers a non condensing plant
what is a disadvantage of high pressure steam used for heating - Answers needs better quality
feedwater
excess steam is vented to atmosphere on a flash steam system by - Answers a back pressure valve
what ASME code covers petroleum piping - Answers B31.3
what section of the ASME code covers welding procedures - Answers Section IX
ASME codes are set to _____________ standards - Answers minimum
what is the disadvantage of a fire tube boiler? - Answers as temperature and pressure are increased the
thickness of the shell will also increase
a water tube boiler is considered to be a boiler that has - Answers two drums and tube system used for
direct heat transfer
Steam-Generating units used in power generation primarily produce - Answers superheated steam
a miniature boiler is built/manufactured in accordance with - Answers ASME section I
a direct boiler built with a maximum steam pressure of 207 Kpa (30psig) is constructed in accordance
with - Answers ASME section I
a heating boiler is built in accordance with - Answers ASME section IV
What device will a power generation steam plant use between the high pressure and lower pressure
turbine - Answers reheaters
what is the primary function of an internal separator - Answers to separate wet saturated steam into dry
saturated steam
two types of superheaters are - Answers convection and radiant
the piping system from the steam generator to the turbine would be built in accordance with - Answers
ASME B31.1
when rating a steel high pressure boiler the agency that would do this service is - Answers SBI
boilers built to ASME section I scope are _______ rated - Answers gross
the ASME code for power piping is - Answers B31.1
the ASME code for fuel gas piping is - Answers B31.2
, the ASME code process piping - Answers B31.3
a _______________ is a tube or row of tubes (radiant or convection type coils) in which saturated steam
flows through and an increase in sensible heat is added to the saturated steam - Answers superheater
the superheater adds ____________ ______ to saturated steam - Answers sensible heat
what does the sensible heat from the superheat do to the steam and what is the benefits from this -
Answers the added heat removes moisture from the steam reducing turbine erosion and adds to the
efficiency of the turbine
the _____________ type superheater is primarily heated by the radiant heat energy from the furnace
(combustion chamber) - Answers radiant
the ___________ type super heater is heated only by flue gases (flue gas pass) leaving the boiler. -
Answers convection
One way of controlling the superheat temperature is by ___________ _ ____ ____ of pure feed water
into flow of super heated steam. the mist is evaporated by the superheated steam l, there fore reducing
temperature - Answers injecting a fine mist
a ________________ is a device in the form of a coil in the path of the superheated steam. cooler
feedwater in the tube absorbed heat from the steam, which causes the coil to sweat condensate -
Answers attemperator
the ________ ____ condenser sprays cold condensate into the exhaust steam flow, providing a means
to air elimination - Answers steam jet
a __________________ _________ valve is placed in a branch line leading from the the main exhaust
pipe to the atmosphere to avoid the possibility of having a pressure on the condenser - Answers
atmospheric relief valve
a relief valve is held closed by atmospheric pressure on top of the valve. as long as a vacuum is
maintained on the condenser, it remains ___________ - Answers closed
___ _______ condensers serve the same function as water cooled condensers and wet cooling towers.
they provide a low turbine back pressure, conserve the high purity water and deaerate the condensate -
Answers air cooled
air cooled steam condensers system may be _________ or ________ _______ - Answers mechanical or
natural draft
•make up water is not required
•maintance is less expensive
•large amount of treatment chemicals are not required
