Assertion (A) Majority of threads intended for use in machine sewing are constructed with (S) twist.<br>Reason (R) Thread with (Z) twist becomes untwisted by the action of machines and then fray and breaks.

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. Correct Answer Both A and R are false

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Related MCQ's

Give the correct path for the upper thread in the sewing machine.
1. Tension disc
2. Needle
3. Spool
4. Thread guide
5. Thread take up lever

Assertion (A) Sewing machine needles with set points are used for Knitted fabrics.
Reason (R) Set points have less tendency to penetrate the lower twist Knitting yarns and break them.

A factory buys 7 machines. 2 Machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs 95000, Rs 75000 and Rs 43000 respectively.Calculate the average cost of these machines?

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Determine the corrections or otherwise of the following assertion and reason : Assertion : In general, wing twist should not be more than 6°. Reason: Wing twist is used to improve stall properties at tip. and are true and is the correct reason for b) Both and are true but is not the correct reason for c) is true but is false d) is false but is true

S1:Our ancestors thought that anything which moved itself was alive.
P :The philosopher Descartes thought that both men and animals were machines.
Q :But a machine such as a motorcar or a steamship moves itself, as soon as machines which moved themselves had been made, people asked "Is man a machine?"
R :And before the days of machinery that was a good definition.
S :He also thought that the human machine was partly controlled by the soul action on a certain part of the brain, while animals had no souls.
S6:Therefore some scientists think that life is just a very complicated mechanism.

The Proper sequence should be:

Threads are classified into V thread, Acme thread, Knuckle thread, etc. on the basis of _________

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