Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

QAQC - Darkroom Test

TermDefinition
How frequent is Safe Light Efficiency Test 6-12 months
White light fogging test 6 months As necessary
Equipment required in SLET One 24 x 30 cm cassette with new film 2 sheets of 24 x 30 cm card
Equipment required in WLFT 1 sheet of new 18 x 24 cm film 1 sheet of new 18 x 24 cm card
Different forms of safe lighting available - Conventional Safelight - small light box - Simple bulb with filter coating - Coloured fluorescent light tube
WLFT methods Turn on all lights
White light leakage test - 6 months - After work has been carried out - As necessary
Equipment required in WLLT - Insulation tape to temporarily cover holes - Chalk to mark holes
Methods for WLLT - Turn on lights on adjacent areas - Switch off all darkroom lights -Close doors -Stay in the room for 10 minutes for eyes to get use - Look around the darkroom - Pay attention to doors, windows, extractor fans, air vent, and entry of pipes
Actions for WLLT - Identify then seal leaks - Repeat the test - Carry out a test if any film fogging will happen - File a report
Methods for WLFT - Turn on all lights in adjacent areas - Turn off all darkroom lights - Close doors - Place sheet of film on the workbench - Cover half of film with sheet of card - Leave for 3 minutes - Process the film
Evaluation for WLFT If the density of the uncovered part is greater than the covered part, then fogging has occurred
Actions for WLFT - Seal areas of light leakage - Repeat WLLT - File a report
Methods for SLET Place cassette face up on the table Set SID of 100 cm Cover 1/3 of cassette with lead rubber (lengthways) - Area C Collimate to the uncovered area of the Cassette Expose the film using a minimum exposure of 45 kV, 2 mAs
Methods for SLET - part 2 Unload cassette in total darkness Place the film on the workbench Cover 1/3 of exposed side with sheet of card - Area A Cover areas B and C of the film w/ second sheet of card, except for 3 cm strip at the top (Horizontal) Switch on safelights
Methods for SLET - part 3 Start clock immediately Wait 30 seconds Move second sheet of card down 3 cm Wait 30 seconds Repeat the process until the bottom of film Switch off safe lights immediately Process the film
Important note for SLET Lightly pre-exposing the film makes it more light sensitive
Methods for SLET - part 4
Created by: user-1782281
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards