Sewing machine faults, causes and remedies - JSS3 Home economics Past Questions and Answers - page 2
11
If the sewing machine needle hits the presser foot while sewing, what might be the cause?
A
proper threading
B
incorrect needle size
C
correct stitch length
D
proper presser foot pressure
12
What could be the cause if the sewing machine fabric puckers while sewing?
A
incorrect tension settings
B
proper needle size
C
correct threading
D
proper bobbin
13
If the sewing machine stitches are too loose, what might be the cause?
A
correct threading
B
incorrect thread tension
C
proper needle size
D
proper presser foot pressure
14
What could be the cause if the sewing machine is not picking up the bobbin thread?
A
incorrect threading
B
bobbin tension too tight
C
needle installed incorrectly
D
all of the above
15
If the sewing machine motor is running but the needle is not moving, what might be the cause?
A
incorrect threading
B
broken drive belt
C
bobbin tension too tight
D
all of the above
16
It is possible for the sewing machine to get faults
A
True
B
False
17
What could be the reason for the sewing machine to have faults
A
proper cleaning
B
covering when not in use
C
leaving it plugged always
D
careful caring
18
Which type of the sewing machine is operated by foot pedal?
A
manual sewing machine
B
electric sewing machine
C
computerized sewing machine
D
overlock sewing machine
19
Which of the sewing machine type is used for creating neat and strong seams on woven fabrics?
A
overlock sewing machine
B
zigzag sewing machine
C
straight stitch sewing machine
D
serge sewing machine
20
What is the purpose of the tension dial?
A
controls the speed of the machine
B
adjusts the tightness or looseness of the stitches
C
makes the sewing machine move faster
D
foot training
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