Deck 6: Silver Recovery

Question 1

Which of the following systems is not recommended by major film and processor manufacturers?

A)Metallic replacement
B)Terminal electrolytic
C)Recirculating electrolytic
D)None of the above

Answer 1

C

Question 2

To function at maximum efficiency, a silver reclamation device should be attached to the

A)fresh developer replenishment line.
B)used developer drain line.
C)fresh fixer replenishment line.
D)used fixer replenishment line.

Answer 2

D

Question 3

Which of the following can occur if the current on the electrolytic silver recovery unit is too high?

A)Channeling
B)Sulfurization
C)Rusting
D)Drain stoppage

Answer 3

B

Question 4

Which of the following federal pollution laws requires shipping manifests for silver recovery cartridges and scrap film?

A)Water Control Act of 1972
B)Clean Water Act of 1984
C)Resource Conservation and Recovery Act of 1987
D)None of the above

Question 5

Approximately how many troy ounces of silver are found in each gallon of used fixer?

A)0.5 to 0.8
B)0.8 to 1.2
C)1.2 to 1.5
D)1.5 to 2.0

Question 6

Film that was manufactured before 1974 is known as

A)green film.
B)scrap-exposed film.
C)archival film.
D)none of the above.

Question 7

Which industry uses the greatest quantity of silver?

A)Electronics
B)Jewelry
C)Photography
D)Sterling silverware

Question 8

Which of the following will increase the efficiency of a silver recovery system?

A)Decreased dwell time
B)Reduced agitation
C)Reduced surface area
D)Reduced fixer pH

Question 9

Which of the following is an advantage of metallic replacement silver recovery?

A)No operating cost
B)No moving parts
C)Very little maintenance
D)All of the above

Question 10

Approximately what percentage of the purchase price of film can be recovered through silver reclamation?

A)5%
B)10%
C)30%
D)50%