3-16.
When you are using diazo materials
to produce viewgraphs, how do the
images on the diazo foils form?
1.
By exposing the emulsion to
u l t r a v i o l e t l i g h t a n d
developing in ammonia vapors
2.
By exposing the emulsion to
ammonia vapors and developing
i n u l t r a v i o l e t l i g h t
3.
By developing the foil in
ammonia vapors after total
e x p o s u r e t o u l t r a v i o l e t l i g h t
4.
By developing the foil in
ammonia vapors, causing the
diazo salts to combine with the
a z o d y e s t u f f
3-17.
What is the purpose of the opaque
image area of a diazo master?
1.
T o k e e p a l l l i g h t r a y s f r o m
s t r i k i n g t h e f o i l
2.
T o e n a b l e u l t r a v i o l e t l i g h t t o
r e a c h t h e f o i l
3.
T o p r e v e n t u l t r a v i o l e t l i g h t
f r o m r e a c h i n g t h e f o i l
4.
T o b l o c k i n f r a r e d l i g h t
3-18.
When preparing a series of diazo
masters,
w h a t w i l l e l i m i n a t e
changing exposures and prevent film
waste?
1.
Use a fine fiber opaque paper
2.
Use a fibrous paper
3.
U s e a c e t a t e
4.
Use the same paper stock for
a l l m a s t e r s
diazo master?
3-19.
At what scale should you make a
1.
Any scale
2.
Same as reproduction size
3.
L a r g e r t h a n r e p r o d u c t i o n s i z e
4.
Smaller than reproduction size
3-20.
When making diazo viewgraphs, you
can minimize distortion by taking
what action?
1.
Turn the machine blower to high
2.
R u n d i a z o f o i l s a l t e r n a t e l y a t
r i g h t a n g l e s t o e a c h o t h e r
3.
R u n d i a z o f o i l s a t t h e h i g h e s t
allowable speed
4.
R u n a l l f o i l s i n t h e s a m e
direction through the machine
3-21.
W h a t i s t h e i n d i c a t i o n t h a t t h e
e m u l s i o n o n a d i a z o f o i l i s f a c i n g
you?
1.
T h e n i c k o n t h e f o i l i s i n t h e
u p p e r - r i g h t c o r n e r
2.
T h e n i c k o n t h e f o i l i s i n t h e
u p p e r - l e f t c o r n e r
3.
T h e d o t o n t h e f o i l i s i n t h e
u p p e r - l e f t c o r n e r
4.
The master is reversed and
facing down
3-22.
W h a t i s t h e m o s t c r i t i c a l s t e p i n
exposing and developing diazo foils
c o r r e c t l y ?
1.
Use ammonia with a 26° Baumé
reading
2.
Use only dimensionally stable
products
3.
Develop only as long as
necessary,
exposure varies
4.
Develop for lengthy periods
3-23.
R e v e r s a l s a r e e f f e c t i v e f o r w h i c h
of the following reasons?
1.
They are easy on the eyes
2.
They contain a clear image on a
darkened background
3.
They focus the viewer's
a t t e n t i o n o n a s m a l l s e c t i o n o f
t h e s c r e e n
4.
All of the above
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