2-47.
You are taking aerial photographs
of a ship that is under suspicion
of transporting weapons illegally.
What section of a characteristic
curve should place the shadow areas
of this subject?
1.
Toe
2.
Straight line
3.
Shoulder
2-48.
Which of the following contrast
measurements does NOT take shadow
and highlight densities into
account?
1.
Gamma
2.
Contrast index
3.
Total density range
4.
Each of the above
2-49.
Which of the following statements
regarding gamma and contrast-index
values of photographic materials is
incorrect?
1.
They are fixed values
2.
They are not fixed values
3.
The values fluctuate according
to the developer being used
4.
The values change according to
the method of processing being
used
2-50.
With all other factors constant, a
change in which of the following
areas influences gamma or contrast
index the greatest?
1.
Exposure
2.
Latitude
3.
Light intensity
4.
Development
2-51.
Which of the following terms
describes the point when gamma
reaches its maximum level?
1.
Gamma infinity
2.
Gamma burnout
3.
Gamma climax
4.
Gamma reciprocation
2-52.
Ground-pictorial film should be
processed to which of the following
contrast-index values?
1.
0.30
2.
0.58
3.
0.65
4.
0.90
IN ANSWERING QUESTION 2-53, REFER TO
FIGURE 2-10.
2-53.
To obtain a gamma of 0.60, you
should process this film for what
length of time?
1.
3 l/4 minutes
2.
3 l/2 minutes
3.
5 minutes
4.
4 minutes
Learning Objective:
Identify the
importance of a chemical quality
assurance program.
2-54.
Which of the following practices is
probably the most important factor
in a successful chemical quality
assurance program?
1.
Use extremely accurate modern
scientific measuring devices
2.
Take chemical samples and
verify their properties on a
daily basis
3.
Keep equipment and work areas
clean
4.
Directly supervise the
preparation of all photographic
solutions
2-55.
What is/are the proper method(s)
for determining whether solutions
are suitable for processing
photographic images?
1.
Check them for discoloration
2.
Check them for sedimentation
3.
Check them by chemical analysis
4.
Each of the above
2-56.
Before sampling a large batch of
newly mixed developer, you should
wait what minimum time before
performing chemical analysis?
1.
5 minutes
2.
10 minutes
3.
30 minutes
4.
2 hours
2-57.
You are drawing a chemical sample
with a pipet from a color film
processor.
You should draw this
sample from what depth of the tank?
1.
As close to the surface
as possible
2.
About 1 inch below
the surface
3.
About 5 inches below
the surface
4.
From the bottom of the tank
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