NEW
Font size
WorksheetsLO4 Review - IMRC 182
Total questions: 15
Worksheet time: 8mins
True or False: The amount of silver recovered from the fixer is based on the volume of films that are processed.
True
False
Which dark room entrance was not time efficient and could be a safety hazard?
Single door
Double door
Labyrinth
Rotating door
True or False: The safelight should be placed 3 feet from where the technologist is working with x-ray film.
True
False
True or False: The darkroom should have floors that are dark in color.
True
False
How many air exchanges per hour must a darkroom have for adequate ventilation?
5
10
15
20
True or False: Another name for a viewbox is illuminator.
True
False
How long should you be able to work with your film under a safelight?
20-30 seconds
30-60 seconds
60-90 seconds
90- 120 seconds
True or False: Viewboxes must give off yellow light to view x-ray films properly.
True
False
Which method of silver recovery produces hazardous gas?
metal replacement
electrolytic
chemical precipitation
resin
What factors determine the efficiency of silver recovery?
surface area, agitation and dwell time
surface area, temperature and agitation
surface area, temperature and dwell time
surface area and dwell time only
Which method of silver recovery uses a steel wool filter to attract silver?
metal replacement
electrolytic
chemical precipitation
resin
The length of time that the fixer sits in the silver recovery unit describes:
dwell time
agitation
surface area
Which type of silver recovery utilizes a cathode to attract silver?
metal replacement
electrolytic
chemical precipitation
resin
True or False: An amber safelight should be used with orthochromatic film.
True
False
Which darkroom entrance uses the least amount of floor area?
single
double door
labyrinth
rotating door
