A polymeric substance used to make parachute is – (1) Rayon (2) Viscose (3) Cotton (4) Terylene

A polymeric substance used to make parachute is – (1) Rayon (2) Viscose (3) Cotton (4) Terylene
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(2) Viscose Explanation: Viscose is a viscous organic liquid used to make rayon and cellophane. Viscose is also used as shorthand for Viscose Rayon, thus becoming synonymous with rayon, a soft man-made fibre commonly used in dresses, linings shirts, shorts, coats, jackets, and other outer wear.
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A polymeric substance used to make parachute is (1) Rayon (2) Viscose (3) Cotton (4) Terylene

Description : A polymeric substance used to make parachute is (1) Rayon (2) Viscose (3) Cotton (4) Terylene

Last Answer : Viscose

Which of the following is not a natural fibre? (A) Silk (B) Viscose rayon (C) Wool (D) Cotton

Description : Which of the following is not a natural fibre? (A) Silk (B) Viscose rayon (C) Wool (D) Cotton

Last Answer : (B) Viscose rayon

Retting is used in the processing of which of the following fibres: a. Cotton b. Linen c. Silk d. Viscose rayon

Description : Retting is used in the processing of which of the following fibres: a. Cotton b. Linen c. Silk d. Viscose rayon

Last Answer : b. Linen

Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester

Description : Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester

Last Answer : b. Cotton

Which synthetic fibre is known as artificial Silk? A. Nylon B. Rayon (Answer) C. Cotton D. Terylene

Description : Which synthetic fibre is known as artificial Silk? A. Nylon B. Rayon (Answer) C. Cotton D. Terylene

Last Answer : B. Rayon (Answer)

What are the raw materials for making viscose rayon ?

Last Answer : Cotton lintus , bamboo pulp , wood pulp

Which natural fiber is viscose rayon ?

Last Answer : Viscose rayon regenerated cellulosic fiber. That is to make cellulose cellulose with chemicals again. Some other regenerated fibers are modal , tensile.

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Description : In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Last Answer : (D) Saturated polyeste

Viscose rayon is (A) Cellulose nitrate(B) Regenerated cellulose nitrate(C) Regenerated cellulose acetate(D) None of these

Description : Viscose rayon is (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Regenerated cellulose acetate (D) None of these

Last Answer : (D) None of these

Pick out the wrong statement. (A) Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre (B) Crimp is a measure of the difference between the length of the straightened and unstraightened fibre (C) Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning (D) Nylon fibres have greater water absorption capacity than polyester fibres

Description : Pick out the wrong statement. (A) Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre (B) ... fibres are all prepared by wet spinning (D) Nylon fibres have greater water absorption capacity than polyester fibres

Last Answer : (C) Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning

For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

Description : For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

Last Answer : (A) Platinum or gold alloys

Viscose rayon (A) Cannot be made from sulphite pulp (B) Utilises H2SO4 , NaOH and CS2 during its manufacture (C) Cannot yield textile grade fibre (D) None of these

Description : Viscose rayon (A) Cannot be made from sulphite pulp (B) Utilises H2SO4 , NaOH and CS2 during its manufacture (C) Cannot yield textile grade fibre (D) None of these

Last Answer : (B) Utilises H2SO4 , NaOH and CS2 during its manufacture

In the manufacture of viscose rayon, the raw material used industrially is (A) Eucalyptus wood (B) Bamboo (C) Bagasse (D) Fine teak wood

Description : In the manufacture of viscose rayon, the raw material used industrially is (A) Eucalyptus wood (B) Bamboo (C) Bagasse (D) Fine teak wood

Last Answer : (D) Fine teak wood

Viscose rayon is chemically (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Cellulose acetate (D) Regenerated cellulose acetate

Description : Viscose rayon is chemically (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Cellulose acetate (D) Regenerated cellulose acetate

Last Answer : (D) Regenerated cellulose acetate

Carbon disulphide is mainly used in the production of(A) Viscose rayon(B) Corundum(C) Plasticiser for unsaturated polyester(D) Paints

Description : Carbon disulphide is mainly used in the production of(A) Viscose rayon (B) Corundum (C) Plasticiser for unsaturated polyester (D) Paints

Last Answer : (A) Viscose rayon

Viscose rayon is (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Regenerated cellulose acetate (D) None of these

Description : Viscose rayon is (A) Cellulose nitrate (B) Regenerated cellulose nitrate (C) Regenerated cellulose acetate (D) None of these

Last Answer : (D) None of these

The material known in commerce as Terylene is a – (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk

Description : The material known in commerce as Terylene is a – (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk

Last Answer : (1) Synthetic fibre Explanation: Terylene is the name for a synthetic polyester fibre. It is a synthetic polyester fibre or fabric based on terephthalic acid, characterized by lightness and crease resistance and used for clothing, sheets, ropes, sails, etc.

The material known in commerce as Terylene is a (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk

Description : The material known in commerce as Terylene is a (1) Synthetic fibre (2) Natural fibre (3) Modified natural fibre (4) Blend of cotton and silk

Last Answer : Synthetic fibre

The fiber least prone to catch fire is (1) nylon (2) polyester (3) cotton (4) terylene

Description : The fiber least prone to catch fire is (1) nylon (2) polyester (3) cotton (4) terylene

Last Answer : cotton

Which of the following is not a dielectric material? (A) Cotton, silk and paper (B) Asbestos, glass, porcelain and mica (C) Rubber and polymeric resins (D) All refractory materials

Description : Which of the following is not a dielectric material? (A) Cotton, silk and paper (B) Asbestos, glass, porcelain and mica (C) Rubber and polymeric resins (D) All refractory materials

Last Answer : Option C

Which of the following fibres catches fire least? (1) Nylon (2) Cotton (3) Rayon (4) Terricot

Description : Which of the following fibres catches fire least? (1) Nylon (2) Cotton (3) Rayon (4) Terricot

Last Answer : (2) Cotton Explanation: The fibre least prone to catch fire is cotton. Fabrics with more of the fiber surface area exposed to air have more oxygen available to support, burning and therefore burn more easily. Thus, thin, gauzy fabrics, lace, or brushed fabrics can be very flammable.

Which of the following products is not derived from cellulose? (a) Rayon (d) Paper(b) Insulin (c) Gun cotton

Description : Which of the following products is not derived from cellulose? (a) Rayon (b) Insulin (c) Gun cotton (d) Paper

Last Answer : Insulin

Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres

Description : Which of the following statements is false about cellulose? (a) It is a polymer of glucose molecules joined in β-1,4 linkages. (b) It is a major component of cotton. (c) It is used in the manufacture of Dacron fibres. (d) It is used in the manufacture of Rayon fibres

Last Answer : It is used in the manufacture of Dacron fibres.

Which of the following fibres catches fire least ? (1) Nylon (2) Cotton (3) Rayon (4) Terricot

Description : Which of the following fibres catches fire least ? (1) Nylon (2) Cotton (3) Rayon (4) Terricot

Last Answer : Cotton

Rayon is superior to cotton in making gauge for wound treatment, because rayon (A) Is a synthetic polymer (B) Does not stick to the wound unlike cotton (C) Can absorb over 90% of its own weight of water (D) Both (B) and (C)

Description : Rayon is superior to cotton in making gauge for wound treatment, because rayon (A) Is a synthetic polymer (B) Does not stick to the wound unlike cotton (C) Can absorb over 90% of its own weight of water (D) Both (B) and (C)

Last Answer : (B) Does not stick to the wound unlike cotton

For the first time, scientists have developed which fabric from the flax plant? a. Cotton b. Rayon c. Nylon d. Linen

Description : For the first time, scientists have developed which fabric from the flax plant? a. Cotton b. Rayon c. Nylon d. Linen

Last Answer : d. Linen

The purest natural form of cellulose is _______. a) rayon b)cotton c)wool d)silk

Description : The purest natural form of cellulose is _______. a) rayon b)cotton c)wool d)silk

Last Answer : b)cotton

The substance used in the production of nylon; rayon; explosives; fertilizers and dyes?

Description : The substance used in the production of nylon; rayon; explosives; fertilizers and dyes?

Last Answer : Ammonia

The polymer obtained by the condensation of hexamethylene diamine and adipic acid is – (1) Nylon 66 (2) Terylene (3) Tollen's (4) Bakelite

Description : The polymer obtained by the condensation of hexamethylene diamine and adipic acid is – (1) Nylon 66 (2) Terylene (3) Tollen's (4) Bakelite

Last Answer : (1) Nylon 66 Explanation: Polymers are very high molecular mass substances each molecule of which consists of very large number of simple structural units joined together though covalent bonds ... the repeating structural unit is derived from two monomer units - hexamethylenediamine and adipic acid.

Glycol is used to manufacture which of the following? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber

Description : Glycol is used to manufacture which of the following? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber

Last Answer : (3) Terylene Explanation: Monoethylene glycol (MEG), also known as ethylene glycol (EG) or simply glycol, is a diol mostly used for the production of polyester fibers and polyethylene ... is used to produce textiles, large soft-drink containers, photographic film, and overhead transparencies.

Adipic acid reacts with hexamethylene diamine to form (a) Bakelite (b) Nylon-6,6 (c) Terylene (d) Nylon-6,8

Description : Adipic acid reacts with hexamethylene diamine to form (a) Bakelite (b) Nylon-6,6 (c) Terylene (d) Nylon-6,8

Last Answer : Nylon-6,6

Which of the following polymers contain nitrogen (a) PVC (b) Teflon (c) Nylon (d) Terylene

Description : Which of the following polymers contain nitrogen (a) PVC (b) Teflon (c) Nylon (d) Terylene

Last Answer : Nylon

Glycol is used to manufacture which of the following ? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber

Description : Glycol is used to manufacture which of the following ? (1) Nylon (2) Artificial silk (3) Terylene (4) Rubber

Last Answer : Terylene

Terylene is a condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Description : Terylene is a condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Last Answer : Terephthalic acid

The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : (1) Nylon 66 (2) Terylene (3) Tollen’s (4) Bakelite

Description : The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : (1) Nylon 66 (2) Terylene (3) Tollen’s (4) Bakelite

Last Answer : Nylon 66

Besides jumping out of an airplane with them, what else can I do with two, outdated MC-4 Parachute Canopy units?

Description : Besides jumping out of an airplane with them, what else can I do with two, outdated MC-4 Parachute Canopy units?

Last Answer : Sell them on eBay.

When someone jumps into a cave and lands at the bottom with a parachute...what's next? How do they get out?

Description : When someone jumps into a cave and lands at the bottom with a parachute...what's next? How do they get out?

Last Answer : I would guess they are also rock climbers.

If you were falling from a plane without a parachute, what would you be thinking?

Description : If you were falling from a plane without a parachute, what would you be thinking?

Last Answer : How do I pass out quickly so I don’t feel this?

Which would you rather have underneath your plane seat: a parachute or a flotation device?

Description : Which would you rather have underneath your plane seat: a parachute or a flotation device?

Last Answer : Well I would have a parachute under my seat, but my seat would be the flotation device.

what are the chances of human survival when skydiving without a parachute(the context being falling in the ocean and the land is near)?

Description : what are the chances of human survival when skydiving without a parachute(the context being falling in the ocean and the land is near)?

Last Answer : You might like this: https://adventure.howstuffworks.com/question729.htm

What do you call it when your parachute doesn't open? -Riddles

Description : What do you call it when your parachute doesn't open? -Riddles

Last Answer : Jumping to a conclusion.

Who would dare to jump from a plane with a parachute? Would you like to try Bungee Jumping? Do you want to go rafting?

Description : Who would dare to jump from a plane with a parachute? Would you like to try Bungee Jumping? Do you want to go rafting?

Last Answer : Thanks but I'll leave it to someone else

Why does a dental prosthesis have to be removed during a parachute jump?

Description : I can't think of a single reason.

Last Answer : In order to avoid loss or injury when the compensation falls out.

Is the parachute multi-use?

Description : What happens after a parachute jump? Will it then be folded and used again?

Last Answer : Yeah yeah, they're not disposable. Each parachute (type) has a standardized service life (number of jumps *) and service life (number of years) - after reaching them it is discarded. And - of course, it may ... to be popular ... *) in the case of gliders (gliders) it is the number of flying hours

What is the minimum age requirement for parachute jumping solo?

Description : What is the minimum age requirement for parachute jumping solo?

Last Answer : You must be eighteen years of age in order to parachute jumping solo. An id might be required in order to prove your age. There is no way to be registered by a parent or guardian if you are under age. There is no age limit.

How can a parachute relate to real life?

Description : How can a parachute relate to real life?

Last Answer : All parachutes are designed for one fundamental purpose: to slow the gravity-driven fall of an object -- often a person, sometimes inanimate cargo -- through the air. ... The greater the drag generated by a parachute, the more slowly a given object attached to that parachute will descend to Earth.

A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because– (1) Stone is heavier than parachute (2) Special mechanisms are present in parachute (3) A parachute has a larger surface area and air resistance is more (4) None of these

Description : A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because– (1) Stone is heavier than parachute (2) Special mechanisms are present in parachute (3) A parachute has a larger surface area and air resistance is more (4) None of these

Last Answer : (3) A parachute has a larger surface area and air resistance is more Explanation: Gravity is pulling the man down while friction with the air slows him down. With the parachute out it adds more ... his parachute can make his downward speed vary between about 110 mph and 225 mph-using air resistance.

What do you call it when your parachute doesn’t open?

Description : What do you call it when your parachute doesn’t open?

Last Answer : A: Jumping to a conclusion.

A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because (1) stone is heavier than parachute (2) special mechanisms are present in parachute (3) a parachute has a larger surface area and air resistance is more (4) None of these

Description : A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because (1) stone is heavier than parachute (2) special mechanisms are present in parachute (3) a parachute has a larger surface area and air resistance is more (4) None of these

Last Answer : a parachute has a larger surface area and air resistance is more

Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Last Answer : Answer : D