7-48.
How is the bobbin thread tension
7-49.
7-50.
7-51.
7-52.
7-53.
7-54.
regulated on a rotary type sewing
machine?
1.
A thumb screw on the machine
face
2.
A small screw on the outside
of the bobbin case
3.
An adjusting nut on the
bobbin case
4.
A small screw on the feed
eccentric
What feature on the 211 W 151
sewing machine prevents damage to
the sewing hook?
1.
An automatic safety gib
2.
A hook gib
3.
A safety pulley
4.
A safety clutch
What is the maximum speed of the
211 W 151 sewing machine?
1.
3,000 rpm
2.
3,500 rpm
3.
3,800 rpm
4.
4,000 rpm
What needle is used in the 211 W
151 machine?
1.
135 x 17
2.
135 x 7
3.
Either 1 or 2 above,
depending on the lift
4.
16 x 87
With 1/4 inch clearance under the
presser foot, what needle is used
on a 211 W 151 sewing machine?
1.
135 x 22
2.
16 X 87
3.
135 x 7
4.
1.35 x 17
What needle would you use with a
clearance of 3/8 inch?
1.
1.35 x 22
2.
16 x 87
3.
135 x 7
4.
135 x 17
When setting the needle into a
211 w 151, which direction should
the long thread groove face?
1.
Right
2.
Aft
3.
Forward
4.
Left
7-55.
756.
7-57.
7-58.
7-59.
7-60.
7-61.
When setting the relative
position of the presser and
needle bar on a 211 W 151
machine, how much clearance must
be maintained?
1.
3/4 in
2.
17/32 in
3.
3/16 in
4.
3/32 in
A properly set feed dog on a
211 W 151 machine will show a
full tooth above the throat plate
when the feed dog is at its
lowest position.
1.
True
2.
False
The hook saddle on a 211 W 151
machine is lubricated by which of
the following methods?
1.
A felt pad
2.
An oiling wick
3.
An oil reservoir
4.
A wool pad
Which of the following sewing
machines makes a zigzag stitch?
1.
142 W 151
2.
143 W 2
3.
142 W 15
4.
111 w 143
What is the maximum throw of the
143 W 3 needle bar?
1.
9/16 in
2.
7/16 in
3.
5/16 in
4.
3/16 in
What is the maximum throw of the
needle bar on a class 143 W 2
sewing machine?
1.
3/8 in
2.
5/16 in
3.
1/4 in
4.
3/16 in
Which direction does the long
thread groove face on the 143 W 3
sewing machine?
1.
Forward
2.
Aft
3.
Left
4.
Right
42