7-22.
7-23.
7-24.
7-25.
7-26.
7-27.
7-28.
What determines the size of a
needle?
1.
Diameter of the needle
2.
Needle eye size
3.
Both 1 and 2 above
4.
Thread groove size
What determines the correct size
of needle to be used on a
project?
1.
The type of thread
2.
The size of thread
3.
The material
4.
All of the
What size need
you were going
of nylon using
1.
18
2.
20
3.
21
4.
24
to be sewn
above
le would you use if
to sew five plies
type “E” thread?
What size needle should you use
to sew elastic webbing?
1.
18
20
2.
3.
22
4.
24
When the bobbin is properly
threaded into the bobbin case,
the bobbin will turn clockwise
when the free end of the thread
is pulled.
1.
True
2.
False
What should you do to prevent the
needle thread from fouling when
you start to sew?
1.
Backstitch 1/4 in
2.
Backstitch 1/2 in
3.
Hold both threads until you
have made two or three
stitches
4.
Overstitch 1 in
When regulating the tension on
the needle thread, you must
remember that the
1.
needle bar must be all the
way down
2.
presser foot must be up
3.
needle bar must be all the
way up
4.
presser foot must be down
7-29.
7-30.
7-31.
7-32.
7-33.
7–34.
A properly formed stitch will
have the threads locking in wh
of the following positions?
1.
In the bottom ply of mater
2.
In the center of the
thickness of material
3.
In the top ply of material
What is used to regulate the
pressure on the material?
1.
The pressure-regulating
thumbscrew
ich
ial
2.
The pressure-regulating hex
nut
3.
The pressure-regulating
spring
4.
The pressure-regulating disc
If the thread take-up spring is
not correctly set, you should
loosen the setscrew in the arm of
the machine and turn the tension
adjusting stud in which direction
to lessen the movement of the
spring?
1.
To the right
2.
To the left
3.
Toward the front
4.
Toward the rear
The class 7-33 sewing machine is
intended for what type of work?
1.
Sewing light to medium canvas
2.
Sewing light canvas only
3.
Sewing medium canvas
4.
Sewing heavy canvas
What is the difference between
the 7-31 and the 7-35 machines?
1.
The 7-23 has a clutch on the
balance wheel
2.
The 7-31 makes a zigzag
stitch
3.
The 7-31 has a clutch on the
balance wheel
4.
The 7–35 is a heavy weight
machine and the 7-31 is a
medium weight machine
To remove the bobbin from the
7–33 sewing machine, you must use
the bobbin case release spring.
1.
True
2.
False
40
