Q71
Assertion (A) Majority of threads intended for use in machine sewing are constructed with (S) twist. Reason (R) Thread with (Z) twist becomes untwisted by the action of machines and then fray and breaks.
A.
Both A and R are false
AnswerB.
Both A and R are true
C.
A is true, but R is false
D.
A is false, but R is true
Answer: Option A
Solution
Answer: Option A
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