Related Questions

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to beat variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: All threads are strings Statement II: All fibres are threads Conclusion I: All strings are fibres Conclusion II: All fibres are strings
Assertion (A) Microscopic test is a confirmatory test for man-made fibres.
Reason (R) Manmade fibres have their distinct characteristic microscopic appearance.
Which of the following polyamides are known as aramids?
Polyamides have a limited use in the areas where long exposure to temperatures above 70-90 ᵒC is required, due to their tendency of surface oxidation in air. Which heat stabilizer can permit their use even in higher temperatures?
Which of the following is not a property of aromatic polyamides?
Dacron (or terylene) fibres as compared to nylon fibres have
Dacron (or terylene) fibres as compared to nylon's fibres have
Which of the following statements is/are correct?
1. Jute and Hemp are bast fibres and have to be obtained after retting.
2. Hemp and jute are coarser fibres and are mostly used for making gunny bags and ropes.
3. Jute fibre is weak in dry state.
4. In moist environment, jute takes up 23% moisture. In dry environment it has 6% moisture.
Select the correct answer
Which of the following fibres are stretch fibres?
1. Neoprene
2. Spandex
3. Sisal
4. Lyo cell
Staple fibres are short fibres, the length ranges from