Basic Photography Course

7-54.

The specific gravity measurement
of a solution is below the lower
limit.

This may be an indication

of which of the following errors?

The solution is diluted
with too much water

Not enough water was added

Too much of an ingredient
has been added

The solution may be highly

acidic

7-55.

A hydrometer used to measure the
silver content of a fixing bath
is calibrated in grams of silver

per

ounce

milliliter

gallon

liter

7-56.

Specific gravity is a measurement

of what property of a liquid?

Composition

Strength

Opacity

Density

7-57.

What part of the meniscus, if any,

at the stem of the hydrometer
indicates the ratio of the density
of a solution to the density of
distilled water?

1. The top
2. The center
3. The bottom
4. None

7-58.

Acidity and alkalinity of solutions
are measured with what instrument?

1. Hydrometer
2. pH meter

3. Activity indicator
4. Sensitometer

7-59.

Photographic developing solutions
have which of the following pH

values?

3.1 to 5.0

5.0 to 8.0

8.0 to 12.0

12.0 to 14.0

7-60.

An alkali may have which of
the following pH values?

7-61.

A pH value of 7.0 is

7-62.

acidic

alkaline

neutral

A pH value of 1.0 is how many
times stronger than a pH value
of 3.0?

7-63.

One

Two

Ten

One hundred

The solution used to standardize

a pH meter is known as what type
of solution?

7-64.

Acid

Alkali

Buffer

Neutral

You are standardizing a pH meter
before taking the pH reading of a
black-and-white fixer.

You should

use a buffer solution with what pH

value to standardize the meter?

1. 1.0
2. 5.0
3. 7.0
4. 9.0

14.0

10.0

3. 7.0
4. 4.0

Learning Objective:

Identify

procedures used in mixing
photographic chemicals.

contents

Basic 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 -> 7-54. The specific gravity measurement of a solution is below the lower limit. This may be an indication of which of the following errors? 1. The solution is diluted with too much water 2. Not enough water was added 3. Too much of an ingredient has been added 4. The solution may be highly acidic 7-55. A hydrometer used to measure the silver content of a fixing bath is calibrated in grams of silver per 1. ounce 2. milliliter 3. gallon 4. liter 7-56. Specific gravity is a measurement of what property of a liquid? 1. Composition 2. Strength 3. Opacity 4. Density 7-57. What part of the meniscus, if any, at the stem of the hydrometer indicates the ratio of the density of a solution to the density of distilled water? 1. The top 2. The center 3. The bottom 4. None 7-58. Acidity and alkalinity of solutions are measured with what instrument? 1. Hydrometer 2. pH meter 3. Activity indicator 4. Sensitometer 7-59. Photographic developing solutions have which of the following pH values? 1. 3.1 to 5.0 2. 5.0 to 8.0 3. 8.0 to 12.0 4. 12.0 to 14.0 7-60. An alkali may have which of the following pH values? 7-61. A pH value of 7.0 is 7-62. 1. acidic 2. alkaline 3. neutral A pH value of 1.0 is how many times stronger than a pH value of 3.0? 7-63. 1. One 2. Two 3. Ten 4. One hundred The solution used to standardize a pH meter is known as what type of solution? 7-64. 1. Acid 2. Alkali 3. Buffer 4. Neutral You are standardizing a pH meter before taking the pH reading of a black-and-white fixer. You should use a buffer solution with what pH value to standardize the meter? 1. 1.0 2. 5.0 3. 7.0 4. 9.0 1. 14.0 2. 10.0 3. 7.0 4. 4.0 Learning Objective: Identify procedures used in mixing photographic chemicals. 54 contents Basic Photography Course <- previous page next page ->	As an Amazon Associate I earn from qualifying purchases.
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