6-26.
I f a n a i r c o m p r e s s o r i s n o t
a v a i l a b l e , what kind of pressurized
gas can you use to operate an
a i r b r u s h ?
1.
Acetylene
2.
Oxygen
3.
Carbon dioxide or another inert
g a s
4.
Propane or another low-pressure
g a s
6-27.
What factor controls and maintains
a s t e a d y a i r f l o w t o a n a i r b r u s h ?
6-28
6-29.
6-30.
1.
E l e c t r i c a l c u r r e n t
2.
Compressor
3.
G a s c o n t a i n e r
4.
A i r p r e s s u r e r e g u l a t o r
What is the normal range of air
p r e s s u r e f o r o p e r a t i n g a n a i r b r u s h ?
1.
14-16 PSI
2.
17-24 PSI
3.
25-30 PSI
4.
31-35 PSI
If you are working in an area of
high humidity, what additional
device should you attach to an
a i r p a i n t i n g s y s t e m ?
1.
A n a i r p r e s s u r e r e g u l a t o r
2.
A siphon-fed color cup
3.
A m o i s t u r e t r a p
4.
A pigmentation screen
What is the major cause of an
airbrush breakdown?
1.
Moisture in compressed air
2.
F o r e i g n m a t t e r i n f l u i d s
3.
Improper hose connections
4.
P a i n t c l o g s
6-31.
You should remedy clogged air
passages in airbrushes by what
method?
1.
C l e a n i n g t h e a i r b r u s h
2.
I n c r e a s i n g t h e a i r f l o w
3.
T i g h t e n i n g t h e a i r h o s e s
4.
I n s t a l l i n g a m o i s t u r e t r a p
6-32.
What product will prevent pigment
e n c r u s t a t i o n o n t h e t h r e a d s o f t h e
nozzle?
1.
O i l
2.
A l c o h o l
3.
N a v a l j e l l y
4.
P e t r o l e u m j e l l y
6-33.
6-34.
6-35.
6-36.
6-37.
When cleaning airbrushes that use
b o t t l e p i g m e n t c o n t a i n e r s , w h a t
method should you use to return the
p i g m e n t i n s i d e t h e b r u s h t o t h e
b o t t l e ?
1.
R e v e r s e t h e a i r p r e s s u r e
2.
Remove the bottle pigment
c o n t a i n e r a n d s p r a y t h e
remaining pigment back into the
c o n t a i n e r
3.
H o l d a s p o n g e t i g h t l y a g a i n s t
t h e n o z z l e o f t h e a i r b r u s h a n d
d e p r e s s t h e f i n g e r l e v e r
4.
Remove the bottle container and
pour the remaining pigment back
i n t o t h e b o t t l e
T o s e e i f t h e a i r b r u s h n e e d l e i s
properly seated, what should you
r e m o v e f i r s t ?
1.
The handle
2.
The pigment cup
3.
T h e a i r h o s e
4.
T h e n e e d l e s e a t
When replacing the needle of an
airbrush, you should take what
a c t i o n t o s e a t t h e n e e d l e i n t h e
n o z z l e t i p ?
1.
C o n n e c t t h e a i r h o s e
2.
P u s h t h e f i n g e r l e v e r f o r w a r d
3.
Remove the moisture trap
4.
Remove the nozzle
What problem is caused by leaking
air-hose connections?
1.
S p i t t i n g m o i s t u r e
2.
I n t e r m i t t e n t s p r a y
3.
F a i l u r e t o s p r a y
4.
E x c e s s i v e s p r a y
Which of the following actions
c o r r e c t s a n a i r b r u s h t h a t f a i l s t o
spray?
1.
D e c r e a s i n g t h e a i r s u p p l y
2.
I n s t a l l i n g a m o i s t u r e t r a p
3.
C l e a n i n g t h e l i d o f t h e p i g m e n t
b o t t l e
4.
Thinning the pigment with an
a p p r o p r i a t e s o l v e n t
6-38.
Before flowing pigment through an
airbrush, you should take which of
t h e f o l l o w i n g a c t i o n s ?
1.
Thin and mix the pigment well
2.
T h i n a n d s t r a i n t h e p i g m e n t
t h r o u g h a f i n e m e s h c l o t h
3.
Mix and strain the pigment
t h r o u g h a f i n e m e s h c l o t h
4. S t r a i n t h e p i g m e n t t h r o u g h a
f i n e m e s h c l o t h
30
