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49 Cards in this Set
- Front
- Back
What is contained in dry side equipment?
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Loading Bench
Lightproof Film Starge Bin Storage Area Automatic Processors QC Devices Film Hangers |
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Rule of thumb that 2 Degree increase in temp is?
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15%
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What are the Advantages of a Central Darkroom?
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Cheaper Operation
Fewer to run Less Maintenance and repairs Better QC (consistency) Size depends on Dept., PT Load, and Funding |
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What are the
Advantages if a Sparse Darkroom? |
Close
Radiographer cover less distance Provide PT care if needed Better communication with DR personnel Film loss and wrong PT ID decreased |
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Wall lead thickness is?
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1/16 of an inch
|
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Dispersed Darkroom accomidates____ rooms?
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2
|
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What is readily available in Darkrooms?
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Plumbing and Electrical
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What is the prefered entrance in Darkrooms?
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Revolving Door
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What entry lets in least amout of light and takes up least space?
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Revolving Door
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What is required for regular doors?
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Inside Locks
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What equpment is considered for size of darkroom?
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Benches
Film storage bins Processing tanks Replinishment tanks Film dryer Refridgeration System |
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What are the three types of illumination for darkrooms?
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Safelight
General Radiographic |
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What type of material is used on walls in the Darkroom?
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Chemical Resistant
|
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What wall finish is most desireable?
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Plastic
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What is recomended for chemical resistant flooring?
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Ashphault and Clay tile
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Preferred type of ventilation?
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A/C
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Manual Temp is controlled by?
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Water circulating around the tank
Mixing valve with thermostat @ 68 degrees |
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Four compartment tank consists of?
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Two Insert Tanks and Two Master Compartment Tanks
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Level of solution from the top of the tank?
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1 Inch
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Manual cirtical check before workday is
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Developer
|
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Chemicals unpredictable after 75 Degrees
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Metol and Elon
|
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Stainless steel is the best tank because?
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High corrosion Resistance Equal distribution of temp.
Prevents Condensation Maintains Temp |
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Optimum Temp for manual development is?
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68-72 Degrees F
|
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Primary reasons for chemical fog are?
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Excessive Temps.
Oxidized or derteriorated Repeated inspections of film |
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4 Types of stains?
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Brown
Variegated color pattern Grahish yellow or Brown Grayish White Scum |
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What is a brown stain?
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oxidized
|
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What is a Variegated Color Pattern?
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Inadequate rinsing
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What is a Grayish yellow or brown stain?
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Excess fixation or exhausted fixer
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What is grayish white scum?
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Incomplete washing
\ |
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what are the 3 Different Marks
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Crinkle
static water |
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what are Crinkle marks?
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Bent film
|
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What are Static marks?
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Friction between film and another object
|
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What are Water marks?
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round droplets on film
|
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A replinisher pump maintains?
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ALkalinity of developer
Acidity of Fixer The chemical strength of both |
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Feed tray does?
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accepts and loads film
|
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Development is?
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Latent to a manifest image
|
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Produced first processor?
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Pako in 1942
|
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Advantages of automatic over manual?
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Shorter processing time
Consitently better films More Pt's Safer |
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Reasons Conventional chemicals were unsuitable?
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Swelling and shrinkage caused problems with rollers.
Not concentrated enough |
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Inadequate spacing of rollers makes film
|
Slip or jam
|
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Crossover racks purpose?
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Guides film from one tank to another
|
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The five main systems in automatic processing?
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Flim Transport
Circulation/Filtration system Tempering system Replenishment system Dryer System |
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If guide shoes are imprper;y posistioned it will leave?
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Guide shoe marks on film
|
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Types of Artifacts?
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Guide shoe Marks
Pi lines Emulsion Pick-off and gelatin buildup Chemical Fog |
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Daily Processor Maintenance includes?
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Secure Power
Remove and clean -Feed roller rack -Crossover Rack -Evaporation Lids Drain water tank via drain valve Wipe spilled chemicals inside n out Make log entry |
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Weekly Auto Processor Maintenance Includes?
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Daily
Remove and Clean Deep racks Inspect for loose or missing screws and tension springs Inspect rollers Check Chemical tanks Make Log entry |
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What date was PRMP initiated?
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Dec 1976
|
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Automatic Processing solutions will tolerate _____ as much current as Manual Processing.
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Twice
|
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What is included in wet side of the darkroom?
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Sinks, Drains, Watervalves
Chemicals Viewboxes Manual Processing tanks Film Dryer |