8-21.
What is the primary reason for
using a developer replenisher?
1.
To allow use of the same
developing solution
indefinitely
2.
To maintain the composition
of a developer
3.
To extract the used developer
4.
To keep the developer activity
constant
8-22.
What replenishment method is used
to maintain solution volume only?
1.
Bleed
2.
Topping off
3.
Titration
8-23.
The processing characteristics
of a developer remains more
consistent when what replenishment
method is used?
1.
Bleed
2.
Topping off
3.
Titration
Learning Objective:
Identify
procedures carried out after
film is developed.
8-24.
A water-rinse bath stops the action
of the developer.
1.
True
2.
False
8-25.
What property of a stop bath
prevents further development?
1.
Temperature
2.
Volume
3.
Penetrating action
4. pH
8-26.
A solution with which of the
following pH readings should be
used as a stop bath?
1.
2.0
2.
5.0
3.
7.0
4.
9.0
59
8-27.
A stop bath should be made up of a
weak acid for which of the
following reasons?
1.
To prevent damage to
the film emulsion
2.
To prevent the fixing
bath from sulphurizing
3.
Both 1 and 2 above
4.
To prevent darkroom workers
from inhaling strong acid fumes
8-28.
What type of acid is commonly used
as a stop bath and in what strength
(percentage)?
1.
Sulfuric;
28.0%
2.
Acetic;
99.5%
3.
Sulfuric;
99.5%
4.
Acetic;
28.0%
8-29.
Glacial acetic acid freezes at what
temperature, in degrees Fahrenheit?
1.
61°F
2.
32°F
3.
10°F
4. 0°F
8-30.
For a normal stop bath, you
should mix a total of how many
ounces of 28 percent acetic acid
with 32 ounces of water?
1.
1
2.
1/2
3.
16
4.
28
8-31.
Once film is treated in a stop
bath, it is no longer sensitive
to light?
1.
True
2.
False
8-32.
What step in film processing makes
the silver salts that are not
affected by the developer water
soluble?
1.
Water rinse
2.
Stop bath
3.
Fixer
4.
Wash