Radiographic Testing Level 1 (RT-1) Specific Exam
3.1.2 questions with verified answers
A beam of radiation consisting of a single wavelength is known as
Ans✓✓✓ monochromatic radiation
A change in which of the following parameters would necessitate the
construction of a new X ray exposure chart Ans✓✓✓ X ray machine
used
A Curie (37 gigabecquerel) of radioactive material will disintegrate at
the rate of Ans✓✓✓ 37 billion (3.7*10^10) disintegrations per second
A filter is placed Ans✓✓✓ between the source and the specimen
A filter will reduce the amount of _____ in the primary radiation beam
Ans✓✓✓ low energy radiation
A possible result of failing to use a stop bath during manual
development is Ans✓✓✓ Streaking of the film
A radiation producing device which emits a broad spectrum of
wavelengths is Ans✓✓✓ An X ray machine
A radiation producing device which emits radiation of one or a few
discreet wavelengths is Ans✓✓✓ a gamma ray source
, A radiographic sensitivity level of 2-2T means that Ans✓✓✓ The 2T
hole in a penetrameter which is 2% of the test piece thickness must be
visible on the film
A thin, white line within the film image of a weld crown might be
Ans✓✓✓ A hair between the lead screen and the film
After the step wedge radiographs have been made, the _______ of the
image of each step is recorded on a chart Ans✓✓✓ density
Almost all gamma radiography today is done with artificially activated
Ans✓✓✓ isotopes
An advantage of a gamma ray source is Ans✓✓✓ outside power is
normally not required
An effect of scattered radiation is to Ans✓✓✓ Diminish contrast, detail
and clarity of radiographic image
If we were to maintain the same exposure but decrease the source to film
distance, we must _____ the time of exposure Ans✓✓✓ decrease
In the radiographic analysis procedure that is used to prepare an
exposure chart, the first step is to Ans✓✓✓ make a series of
radiographs of a step wedge
3.1.2 questions with verified answers
A beam of radiation consisting of a single wavelength is known as
Ans✓✓✓ monochromatic radiation
A change in which of the following parameters would necessitate the
construction of a new X ray exposure chart Ans✓✓✓ X ray machine
used
A Curie (37 gigabecquerel) of radioactive material will disintegrate at
the rate of Ans✓✓✓ 37 billion (3.7*10^10) disintegrations per second
A filter is placed Ans✓✓✓ between the source and the specimen
A filter will reduce the amount of _____ in the primary radiation beam
Ans✓✓✓ low energy radiation
A possible result of failing to use a stop bath during manual
development is Ans✓✓✓ Streaking of the film
A radiation producing device which emits a broad spectrum of
wavelengths is Ans✓✓✓ An X ray machine
A radiation producing device which emits radiation of one or a few
discreet wavelengths is Ans✓✓✓ a gamma ray source
, A radiographic sensitivity level of 2-2T means that Ans✓✓✓ The 2T
hole in a penetrameter which is 2% of the test piece thickness must be
visible on the film
A thin, white line within the film image of a weld crown might be
Ans✓✓✓ A hair between the lead screen and the film
After the step wedge radiographs have been made, the _______ of the
image of each step is recorded on a chart Ans✓✓✓ density
Almost all gamma radiography today is done with artificially activated
Ans✓✓✓ isotopes
An advantage of a gamma ray source is Ans✓✓✓ outside power is
normally not required
An effect of scattered radiation is to Ans✓✓✓ Diminish contrast, detail
and clarity of radiographic image
If we were to maintain the same exposure but decrease the source to film
distance, we must _____ the time of exposure Ans✓✓✓ decrease
In the radiographic analysis procedure that is used to prepare an
exposure chart, the first step is to Ans✓✓✓ make a series of
radiographs of a step wedge
