Rt level 2 questions with verified answers
"Inherent graininess" refers to the dispersal of the silver halide crystals
in the emulsion of the unexposed radiographic film. This inherent
graininess of the radiographic film will affect:
a) contrast.
b) sensitivity.
c) density
d) a), b) and c). Ans✓✓✓ a), b) and c)
100 millisieverts (mSv) is the same as
a) 1 rad
b) 1 rem
c) 1 mR
d) 0.01 Gy Ans✓✓✓ 1 rem
A Cobalt 60 gamma-ray source has an approximate practical thickness
limit in steel of:
a) 62 mm (2.5 in).
b) 100 mm (4.0 in).
c) 185 mm (7.0 in).
d) 275 mm (12.0 in). Ans✓✓✓ 185 mm (7.0 in)
A Cobalt-59 becomes a Cobalt-60 atom when it is placed in a nuclear
reactor where its nucleus captures:
,a) an electron.
b) a neutron.
c) a proton.
d) contamination. Ans✓✓✓ a neutron
A collection of related standards and specifications given the force of
law by government regulation is known as a:
a) Standard.
b) Code.
c) Specification.
d) Controlled copy. Ans✓✓✓ Code
A combination of atoms having a specific structure or form is called
a(an)
a) element
b) molecule
c) crystal
d) chain Ans✓✓✓ molecule
A curve relating density with logarithm of exposure is called:
a) a sensitivity curve
b) a density curve
c) an H & D curve
d) x-ray intensity curve Ans✓✓✓ An H & D curve
,A device that uses an electron gun, magnetic fields and a hollow circular
tube (doughnut) in order to accelerate electrons in a circular path and to
direct them to strike a target to give bursts of x-rays is called a:
a) Van de Graff Generator.
b) betatron.
c) resonance transformer.
d) linear accelerator. Ans✓✓✓ betatron
A discontinuity's shadow or image in a radiographic film is:
a) Of the same size as the discontinuity.
b) Enlarged and the enlargement depends on the location of the
discontinuity in the part.
c) Smaller than the size of the discontinuity.
d) A cross section view. Ans✓✓✓ Enlarged and the enlargement
depends on the location of the discontinuity in the part
A document that states in some detail the requirements of the test
method and technique is called
a) A code.
b) A specification.
c) A standard.
d) A procedure Ans✓✓✓ A specification
A film with high contrast will have:
, a) low sensitivity
b) higher speed than low contrast film
c) lower speed than low contrast film
d) small latitude Ans✓✓✓ small latitude
A general rule often employed for determining the kilvoltage to be used
when x-raying a part is:
a) the kilovoltage should be as high as other factors will permit.
b) the kilovoltage should be as low as other factors will permit.
c) the kilovoltage is always a fixed value and cannot be changed.
d) the kilovoltage is not an important variable and can be changed over a
wide range without affecting
the radiograph. Ans✓✓✓ the kilovoltage should be as low as other
factors will permit
A material used to surround or is inserted into an object during
radiography to reduce the effect of unwanted scattered radiation is
known as:
a) collimating material.
b) filtering material.
c) refracting material.
d) blocking material. Ans✓✓✓ blocking material
A microfocus x-ray tube is used in
a) projection radiography
"Inherent graininess" refers to the dispersal of the silver halide crystals
in the emulsion of the unexposed radiographic film. This inherent
graininess of the radiographic film will affect:
a) contrast.
b) sensitivity.
c) density
d) a), b) and c). Ans✓✓✓ a), b) and c)
100 millisieverts (mSv) is the same as
a) 1 rad
b) 1 rem
c) 1 mR
d) 0.01 Gy Ans✓✓✓ 1 rem
A Cobalt 60 gamma-ray source has an approximate practical thickness
limit in steel of:
a) 62 mm (2.5 in).
b) 100 mm (4.0 in).
c) 185 mm (7.0 in).
d) 275 mm (12.0 in). Ans✓✓✓ 185 mm (7.0 in)
A Cobalt-59 becomes a Cobalt-60 atom when it is placed in a nuclear
reactor where its nucleus captures:
,a) an electron.
b) a neutron.
c) a proton.
d) contamination. Ans✓✓✓ a neutron
A collection of related standards and specifications given the force of
law by government regulation is known as a:
a) Standard.
b) Code.
c) Specification.
d) Controlled copy. Ans✓✓✓ Code
A combination of atoms having a specific structure or form is called
a(an)
a) element
b) molecule
c) crystal
d) chain Ans✓✓✓ molecule
A curve relating density with logarithm of exposure is called:
a) a sensitivity curve
b) a density curve
c) an H & D curve
d) x-ray intensity curve Ans✓✓✓ An H & D curve
,A device that uses an electron gun, magnetic fields and a hollow circular
tube (doughnut) in order to accelerate electrons in a circular path and to
direct them to strike a target to give bursts of x-rays is called a:
a) Van de Graff Generator.
b) betatron.
c) resonance transformer.
d) linear accelerator. Ans✓✓✓ betatron
A discontinuity's shadow or image in a radiographic film is:
a) Of the same size as the discontinuity.
b) Enlarged and the enlargement depends on the location of the
discontinuity in the part.
c) Smaller than the size of the discontinuity.
d) A cross section view. Ans✓✓✓ Enlarged and the enlargement
depends on the location of the discontinuity in the part
A document that states in some detail the requirements of the test
method and technique is called
a) A code.
b) A specification.
c) A standard.
d) A procedure Ans✓✓✓ A specification
A film with high contrast will have:
, a) low sensitivity
b) higher speed than low contrast film
c) lower speed than low contrast film
d) small latitude Ans✓✓✓ small latitude
A general rule often employed for determining the kilvoltage to be used
when x-raying a part is:
a) the kilovoltage should be as high as other factors will permit.
b) the kilovoltage should be as low as other factors will permit.
c) the kilovoltage is always a fixed value and cannot be changed.
d) the kilovoltage is not an important variable and can be changed over a
wide range without affecting
the radiograph. Ans✓✓✓ the kilovoltage should be as low as other
factors will permit
A material used to surround or is inserted into an object during
radiography to reduce the effect of unwanted scattered radiation is
known as:
a) collimating material.
b) filtering material.
c) refracting material.
d) blocking material. Ans✓✓✓ blocking material
A microfocus x-ray tube is used in
a) projection radiography
