ASNT IRRSP STUDY GUIDE QUESTIONS AND
ANSWERS SET A+
✔✔5 mR/h barrier, 100 mR/h barrier, and 500 R/h barrier very high radiation -
✔✔boundary and posting requirements are as follows
✔✔3 months - ✔✔film badges must be replaced intervals of
✔✔24 hours - ✔✔an off scale pocket dosimeter and TLDs must be submitted within
✔✔until the commission terminates the license - ✔✔dosimetry reports received from
NVLAP must be maintained
✔✔Heat - ✔✔most the energy used in producing X-rays converts to
✔✔tungsten - ✔✔in most cases the standard anode material is
✔✔penetrating capabilities of the x-rays produced - ✔✔Raising the kilovolts on the
control panel effects the
✔✔electron - ✔✔the structure known as the cathode serves as the _________ source
✔✔The problem of electrons colliding with, and being absorbed by, molecules of air -
✔✔The high-vacuum envelope is used to reduce
✔✔electrostatic principle, accelerated electrons within an annular tube, and multiple
straight alternating segments from cathode to anode - ✔✔Van de Graaff generators
obtain their electrons through
✔✔1/8 in. to 3/4 in. - ✔✔the expected penetrating power in steel of 50 kV to 150 kV
, ✔✔berillium - ✔✔in most X-ray tubes, _____________ is used as an exit port for the X-
radiation energy
✔✔Milliampers (mA) - ✔✔increasing __________ across the filament expends the
filament expends more free electrons, thereby increasing the number of free electrons
able to cross and strike the anode target creating more X-radiation
✔✔air - ✔✔the Roentgen exposure is measured in
✔✔radiation absorbed dose (rad) - ✔✔The acronym -rad- means
✔✔Curies - ✔✔activity of radioactive material is measured in
✔✔Roentgen Equivalent Man (REM) - ✔✔the acronym -REM- stands for
✔✔decay rate - ✔✔becquerels and curies are units of measurments of
✔✔ High speed electrons are introduced from the cathode and strike the anode within a
vacuum sealed envelope - ✔✔X-radiation is produced when a supply of
✔✔particulate and electromagnetic - ✔✔What are the two basic types of ionizing
radiation?
✔✔at the speed of light without regard to pressure, temperature or magnetic fields -
✔✔Wavelike radiation travels at?
✔✔186000 miles/s (299338 km/s) - ✔✔Gamma rays travel in a wavelike motion at the
speed of light, which is?
✔✔True - ✔✔Matter can be turned into energy.
✔✔two protons two neutrons - ✔✔Alpha particles are much like a helium nucleus as
they have?
✔✔positive charge - ✔✔Alpha particles have a/an?
✔✔negative charge - ✔✔Beta particles have a/an?
✔✔Beta particles have a mass - ✔✔much less than that of an alpha particle.
✔✔they travel at sub-light speeds and as such are easily contained or shielded - ✔✔In
modern radiography the alpha and beta particles are of little concern because?
ANSWERS SET A+
✔✔5 mR/h barrier, 100 mR/h barrier, and 500 R/h barrier very high radiation -
✔✔boundary and posting requirements are as follows
✔✔3 months - ✔✔film badges must be replaced intervals of
✔✔24 hours - ✔✔an off scale pocket dosimeter and TLDs must be submitted within
✔✔until the commission terminates the license - ✔✔dosimetry reports received from
NVLAP must be maintained
✔✔Heat - ✔✔most the energy used in producing X-rays converts to
✔✔tungsten - ✔✔in most cases the standard anode material is
✔✔penetrating capabilities of the x-rays produced - ✔✔Raising the kilovolts on the
control panel effects the
✔✔electron - ✔✔the structure known as the cathode serves as the _________ source
✔✔The problem of electrons colliding with, and being absorbed by, molecules of air -
✔✔The high-vacuum envelope is used to reduce
✔✔electrostatic principle, accelerated electrons within an annular tube, and multiple
straight alternating segments from cathode to anode - ✔✔Van de Graaff generators
obtain their electrons through
✔✔1/8 in. to 3/4 in. - ✔✔the expected penetrating power in steel of 50 kV to 150 kV
, ✔✔berillium - ✔✔in most X-ray tubes, _____________ is used as an exit port for the X-
radiation energy
✔✔Milliampers (mA) - ✔✔increasing __________ across the filament expends the
filament expends more free electrons, thereby increasing the number of free electrons
able to cross and strike the anode target creating more X-radiation
✔✔air - ✔✔the Roentgen exposure is measured in
✔✔radiation absorbed dose (rad) - ✔✔The acronym -rad- means
✔✔Curies - ✔✔activity of radioactive material is measured in
✔✔Roentgen Equivalent Man (REM) - ✔✔the acronym -REM- stands for
✔✔decay rate - ✔✔becquerels and curies are units of measurments of
✔✔ High speed electrons are introduced from the cathode and strike the anode within a
vacuum sealed envelope - ✔✔X-radiation is produced when a supply of
✔✔particulate and electromagnetic - ✔✔What are the two basic types of ionizing
radiation?
✔✔at the speed of light without regard to pressure, temperature or magnetic fields -
✔✔Wavelike radiation travels at?
✔✔186000 miles/s (299338 km/s) - ✔✔Gamma rays travel in a wavelike motion at the
speed of light, which is?
✔✔True - ✔✔Matter can be turned into energy.
✔✔two protons two neutrons - ✔✔Alpha particles are much like a helium nucleus as
they have?
✔✔positive charge - ✔✔Alpha particles have a/an?
✔✔negative charge - ✔✔Beta particles have a/an?
✔✔Beta particles have a mass - ✔✔much less than that of an alpha particle.
✔✔they travel at sub-light speeds and as such are easily contained or shielded - ✔✔In
modern radiography the alpha and beta particles are of little concern because?
