unit 3

Question 1

Latent image have too few silver atoms to produce

Answer 1

visible image

Question 2

Manual film processing takes how long to complete

Answer 2

an hour

Question 3

1st automatic processor introduced

Answer 3

by Pako in 1943

Question 4

How many films per hour could the 1st automatic processor do

Answer 4

120

Question 5

How long did it take to process 1 film

Answer 5

40 mins

Question 6

When did Kodak develop the 1st roller transport

Answer 6

1956

Question 7

When did Kodak make the 90 second processor

Answer 7

1965

Question 8

What film base was the 90 second processor

Answer 8

polyester

Question 9

When did Konica introduce the 45 sec processor and what does it require

Answer 9

1987, special chemicals & film

Question 10

Wetting

Answer 10

swells emulsion

Question 11

developing

Answer 11

converts latent image to visible image

Question 12

Rinsing/stop bath

Answer 12

stops developer

Question 13

Fixing

Answer 13

Preserves image

Question 14

Washing

Answer 14

Rinses chemicals

Question 15

What is the universal solvent that chemicals can be dissolved into

Answer 15

water

Question 16

What changes silver ions of exposed crystals into metallic silver

Answer 16

developer

Question 17

Reduction of silver ions uses

Answer 17

Electrons, oxidation provides electrons

Question 18

EUROPE stands for

Answer 18

Electrons Used during Reduction, Oxidation Provides Electrons

Question 19

Silver halide crystals won’t let electrons in unless

Answer 19

they’ve been exposed to radiation

Question 20

Unexposed crystals have ____ exterior and ___ interior

Answer 20

negative, positive

Question 21

Silver halide crystals which have been exposed possess a

Answer 21

Gate which allows electrons to enter

Question 22

The more ions at sensitivity speak, the ____ the gate

Answer 22

larger

Question 23

How many silver ions are needed at sensitivity center to have an open gate

Answer 23

4

Question 24

Stop bath stops developer by ______ the pH of emulsion

Answer 24

neutralizing

Question 25

Fixer is also called what

Answer 25

hypo, thiosulfate, thio

Question 26

Fixer removes what from emulsion

Answer 26

unexposed/underdeveloped silver halide crystals

Question 27

What is hyporetention

Answer 27

some fixer remains and causes film to turn yellow over time

Question 28

In transport system film in inserted and picked up by

Answer 28

entrance rollers

Question 29

What controls replenishment rate of chemicals

Answer 29

microswitch

Question 30

What side of film needs to be at the edge

Answer 30

shorter side

Question 31

What size are the transport rollers

Answer 31

1"

Question 32

What turns film around

Answer 32

Master rollers, planetary rollers, guide shoes

Question 33

temperature control system regulates temp of what

Answer 33

chemical tanks

Question 34

What temp must developer tank be maintained at

Answer 34

95 degrees

Question 35

High temp causes _____, Low temp causes ____

Answer 35

overdevelopment, underdevelopment

Question 36

What temp does water need to be maintained at

Answer 36

90 degrees

Question 37

What mixes chemicals, maintains temp, and aids exposure to chemicals

Answer 37

agitation

Question 38

What rate does water pump at

Answer 38

3 gal/min

Question 39

What replaces used chemicals

Answer 39

replenishment system

Question 40

how much developer is used for every 14 inches of film

Answer 40

60-70 ml

Question 41

how much fixer is used for every 14 inches of film

Answer 41

100-110 ml

Question 42

Moist film is caused by ____ in the fixer

Answer 42

depleted hardener