EPRI - Reactor Theory Exam 2025
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Terms in this set (77)
A neutron interaction in which a
nucleus absorbs a neutron, splits into
two new nuclei and releases a large
Fission amount of energy; the resulting fission
fragments emit neutrons and gamma
rays and then undergo radioactive
decay
, A device with rotating blades that are
connected to a shaft and turned by
having a fluid do work on the blades;
Turbines
in a nuclear power plant, steam
turbines are rotated by expanding
steam
Describe how a Nuclear fission creates heat, which
nuclear power generate steams. The steam rotates
plant generates the turbines, which turn the generator
electricity to produce electricity.
The center of an atom containing
99.9% of its mass and comprised of
Nucleus
neutrons and protons held together in
a very small volume by nuclear force
The medium used to slow down fast
Moderator
neutrons
The medium used to remove heat
Coolant from the reactor core; the coolant
keeps the reactor from overheating
A nuclear reactor that uses H2O, or
Light Water
"light water," as the moderator and
Reactors
coolant
, A rod made up of a substance that
controls the neutron population inside
a reactor; control rods are used to
Control Rods
control the reactor power and also to
provide a mechanism for rapid
shutdown of the reactor, if necessary
The part of a nuclear reactor where
the heat is generated; it includes the
Reactor Core
fuel, cladding, fuel assemblies,
moderator/coolant and control rods
A nuclear reactor system that
pressurizes the coolant water to a
high enough pressure to prevent
Pressurized Water
boiling in the core; the heated water
Reactor
leaves the core and flows through a
steam generator where steam is
produced and used to drive turbines
A nuclear reactor in which water is
allowed to boil directly inside the
Boiling Water
reactor, thus creating steam; the
Reactor
steam is dried and used to drive
turbines
Sub-atomic particles and energy
Radiation emitted by unstable isotopes to
become stable
, A device used to transfer heat from
one medium to another; in nuclear
plants, steam generators and
condensers are examples of heat
exchangers, the former transferring
Heat Exchanger
heat from the primary coolant to the
secondary coolant of a PWR and the
latter transferring the heat from steam
to water from a cooling tower or
pond
A component in the primary system of
a PWR that is used to maintain the
Pressurizer
design pressure of the primary
coolant (water)
The cooling water that flows through
Primary Coolant
the core of a PWR
A component of a power plant that
condenses the steam leaving the
Condenser
turbines, changing the steam to liquid
water
Actual exam (Testing Real Exam
Questions)and verified Answers (
100% accurate) GET IT RIGHT!!
Save
Terms in this set (77)
A neutron interaction in which a
nucleus absorbs a neutron, splits into
two new nuclei and releases a large
Fission amount of energy; the resulting fission
fragments emit neutrons and gamma
rays and then undergo radioactive
decay
, A device with rotating blades that are
connected to a shaft and turned by
having a fluid do work on the blades;
Turbines
in a nuclear power plant, steam
turbines are rotated by expanding
steam
Describe how a Nuclear fission creates heat, which
nuclear power generate steams. The steam rotates
plant generates the turbines, which turn the generator
electricity to produce electricity.
The center of an atom containing
99.9% of its mass and comprised of
Nucleus
neutrons and protons held together in
a very small volume by nuclear force
The medium used to slow down fast
Moderator
neutrons
The medium used to remove heat
Coolant from the reactor core; the coolant
keeps the reactor from overheating
A nuclear reactor that uses H2O, or
Light Water
"light water," as the moderator and
Reactors
coolant
, A rod made up of a substance that
controls the neutron population inside
a reactor; control rods are used to
Control Rods
control the reactor power and also to
provide a mechanism for rapid
shutdown of the reactor, if necessary
The part of a nuclear reactor where
the heat is generated; it includes the
Reactor Core
fuel, cladding, fuel assemblies,
moderator/coolant and control rods
A nuclear reactor system that
pressurizes the coolant water to a
high enough pressure to prevent
Pressurized Water
boiling in the core; the heated water
Reactor
leaves the core and flows through a
steam generator where steam is
produced and used to drive turbines
A nuclear reactor in which water is
allowed to boil directly inside the
Boiling Water
reactor, thus creating steam; the
Reactor
steam is dried and used to drive
turbines
Sub-atomic particles and energy
Radiation emitted by unstable isotopes to
become stable
, A device used to transfer heat from
one medium to another; in nuclear
plants, steam generators and
condensers are examples of heat
exchangers, the former transferring
Heat Exchanger
heat from the primary coolant to the
secondary coolant of a PWR and the
latter transferring the heat from steam
to water from a cooling tower or
pond
A component in the primary system of
a PWR that is used to maintain the
Pressurizer
design pressure of the primary
coolant (water)
The cooling water that flows through
Primary Coolant
the core of a PWR
A component of a power plant that
condenses the steam leaving the
Condenser
turbines, changing the steam to liquid
water
