Advanced Photography Course

2-58.

You have drawn a solution sample
to be analyzed,

Before taking a

pH measurement, you should shake

the sample vigorously.

True

False

2-59.

You should perform which of the

following procedures before using

a freshly mixed developer?

Complete chemical analysis

pH testing

Specific-gravity check

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?

Before every reading

After 15 minutes has elapsed

only

After four readings only

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?

9.38

9.41

9.49

9.71

2-63.

You could use a specific gravity
reading to verify which of the
following chemical properties?

Dilution

Activity

Contamination

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?

Over-replenishment

Excessive agitation

Developer temperature too high

Each of the above

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Advanced Photography Course

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DOFMaster for Windows On-line Depth of Field Calculator DOFMaster for Mobile Devices On-line Depth of Field Table Hyperfocal Distance Chart Articles FAQ Recommended Books Support Contact Links Home As an Amazon Associate I earn from qualifying purchases.	contents <- previous page next page -> 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 13 contents Advanced Photography Course <- previous page next page ->	As an Amazon Associate I earn from qualifying purchases.
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