2-58.
You have drawn a solution sample
to be analyzed,
Before taking a
pH measurement, you should shake
the sample vigorously.
1.
True
2.
False
2-59.
You should perform which of the
following procedures before using
a freshly mixed developer?
1.
Complete chemical analysis
2.
pH testing
3.
Specific-gravity check
4.
Both 2 and 3 above
2-60.
When you take a pH measurement
of a solution, the temperature
of the solution is most critical
when the pH is at which of the
following values?
1. 10.00
2.
8.00
3.
7.00
4.
6.00
2-61.
When multiple samples of the same
solution are tested, you should
standardize a pH meter at which of
the following times?
1.
Before every reading
2.
After 15 minutes has elapsed
only
3.
After four readings only
4.
After 15 minutes has elapsed
or after four readings
2-62.
You have taken a pH reading of four
samples of the same developer
solution.
The readings were 9.38,
9.41, 9.47, and 9.71.
What pH
value should you record on the
control chart?
1.
9.38
2.
9.41
3.
9.49
4.
9.71
2-63.
You could use a specific gravity
reading to verify which of the
following chemical properties?
1.
Dilution
2.
Activity
3.
Contamination
4.
Shelf life
2-64.
You have just plotted the gamma
from a control strip and the plot
exceeds the upper-control limit.
Which of the following factors may
have caused this condition?
1.
Over-replenishment
2.
Excessive agitation
3.
Developer temperature too high
4.
Each of the above
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