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(h)
4. Answer questions satisfactorily
on:
(a) The purpose of twisting.
(6) The dangerous parts and
safety devices on twisting
frames.
(c) The names of the main parts
of a twisting frame.
(d) The effect of imperfect cleaning
work on yarn quality
and machinery.
0) The effects of not fitting the
bobbin on the spindle correctly.
(/) The effects on quality of
wrongly folded ends, and
oily or dirty yarn.
(g) The detrimental effect on
quality of allowing different
counts of single yarn becoming
twisted
The causes of incorrect twist
in the yarn.
(/) The passage of yarn through
water troughs.
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