IRRSP LATEST 2026 CORE EXAM TEST QUESTIONS AND
ANSWERS GRADED A+
✔✔Alpha particles are much like a helium nucleus as they have. - ✔✔A. Two protons
and two neutrons
✔✔Two basic types of radiation are:
A. Audible and visible
B. Sub-light and faster than light
C. Particulate and Electromagnetic
D. Energetic and prolific - ✔✔C. Particulate and electromagnetic
✔✔Beta particles have a/an:
A. Positive Charge
B. Negative Charge
C. Neutral Charge
D. Alternating charge from positive to negative - ✔✔B. Negative charge
✔✔Alpha particles have a/an:
A. Positive Charge
B. Negative Charge
C. Neutral Charge
D. Alternating charge from positive to negative - ✔✔A. Positive Charge
✔✔An element that has the same number of protons, but a different number of neutrons
from the parent element is a (n):
A. proton
B. Neutron
C.Electron
D. Isotope - ✔✔D. Isotope
✔✔Raising the kilovolts the control panel affects the:
A. Penetrating capabilities of the X-rays produced
B. Scatter of high-speed electrons within the X-ray generator
C. Residual radiation left within the part.
D. Neutron bombardment of the element within - ✔✔A. Penetrating capabilities of the X-
rays produced
✔✔Most of the energy used in producing X-ray converts to:
A. Photon fields
B. Heat
C. X-ray Production
D. Photon - ✔✔B. Heat
, ✔✔The structure known as the cathode serves as the _____________ source
A. Proton
B. Neutron
C. Electron
D. Photon - ✔✔C. Electron
✔✔Increasing _________________ across the filament expends more free electron,
thereby increasing the number of free electrons able to cross and strike the anode
target creating more X-radiation.
A. Alternating Current
B. Direct Current
C. Kilovoltage
D. Milliamperes - ✔✔D. Milliamperes
✔✔X-radiation is produced when a supply of:
A. High-speed electrons are introduced from the cathode and strike the anode within a
vacuum sealed envelope
B. High-speed electrons are introduced from the anode and strike the cathode within a
vacuum sealed envelope
C. High-speed protons are introduced from the cathode and strike the anode within a
vacuum sealed envelope.
D. High-speed protons are introduced from the anode and strike the cathode within a
vacuum sealed envelope. - ✔✔A. High-speed electrons are introduced from the cathode
and strike the anode within a vacuum sealed envelope
✔✔The high-vacuum envelope is used to reduce:
A. Scatter of the radiation produced
B. The problems of electrons colliding with, and being absorbed by, molecules of air
C. The loss of energy within the filters
D. The production of several X-Radiation energies when striking the anode target -
✔✔B. The problems of electrons colliding with, and being absorbed by molecules of air.
✔✔In most cases the standard anode material is:
A. Beryllium
B. Lead
C. Tungsten
D. Titanium - ✔✔C. Tungsten
✔✔In most X-ray tubes _______________ is used as an exit port for the X-radiation
energy:
A. boron
B. Tungsten
C. Molybdenum
D. Beryllium - ✔✔D. Beryllium
ANSWERS GRADED A+
✔✔Alpha particles are much like a helium nucleus as they have. - ✔✔A. Two protons
and two neutrons
✔✔Two basic types of radiation are:
A. Audible and visible
B. Sub-light and faster than light
C. Particulate and Electromagnetic
D. Energetic and prolific - ✔✔C. Particulate and electromagnetic
✔✔Beta particles have a/an:
A. Positive Charge
B. Negative Charge
C. Neutral Charge
D. Alternating charge from positive to negative - ✔✔B. Negative charge
✔✔Alpha particles have a/an:
A. Positive Charge
B. Negative Charge
C. Neutral Charge
D. Alternating charge from positive to negative - ✔✔A. Positive Charge
✔✔An element that has the same number of protons, but a different number of neutrons
from the parent element is a (n):
A. proton
B. Neutron
C.Electron
D. Isotope - ✔✔D. Isotope
✔✔Raising the kilovolts the control panel affects the:
A. Penetrating capabilities of the X-rays produced
B. Scatter of high-speed electrons within the X-ray generator
C. Residual radiation left within the part.
D. Neutron bombardment of the element within - ✔✔A. Penetrating capabilities of the X-
rays produced
✔✔Most of the energy used in producing X-ray converts to:
A. Photon fields
B. Heat
C. X-ray Production
D. Photon - ✔✔B. Heat
, ✔✔The structure known as the cathode serves as the _____________ source
A. Proton
B. Neutron
C. Electron
D. Photon - ✔✔C. Electron
✔✔Increasing _________________ across the filament expends more free electron,
thereby increasing the number of free electrons able to cross and strike the anode
target creating more X-radiation.
A. Alternating Current
B. Direct Current
C. Kilovoltage
D. Milliamperes - ✔✔D. Milliamperes
✔✔X-radiation is produced when a supply of:
A. High-speed electrons are introduced from the cathode and strike the anode within a
vacuum sealed envelope
B. High-speed electrons are introduced from the anode and strike the cathode within a
vacuum sealed envelope
C. High-speed protons are introduced from the cathode and strike the anode within a
vacuum sealed envelope.
D. High-speed protons are introduced from the anode and strike the cathode within a
vacuum sealed envelope. - ✔✔A. High-speed electrons are introduced from the cathode
and strike the anode within a vacuum sealed envelope
✔✔The high-vacuum envelope is used to reduce:
A. Scatter of the radiation produced
B. The problems of electrons colliding with, and being absorbed by, molecules of air
C. The loss of energy within the filters
D. The production of several X-Radiation energies when striking the anode target -
✔✔B. The problems of electrons colliding with, and being absorbed by molecules of air.
✔✔In most cases the standard anode material is:
A. Beryllium
B. Lead
C. Tungsten
D. Titanium - ✔✔C. Tungsten
✔✔In most X-ray tubes _______________ is used as an exit port for the X-radiation
energy:
A. boron
B. Tungsten
C. Molybdenum
D. Beryllium - ✔✔D. Beryllium
