______ fiber is used in making bulletproof vests. (1) Nylon-66 (2) Terylene (3) Kevlar (4) Lexan

1 Answer

Answer :

(3) Kevlar Explanation: Kevlar, a para-aramid synthetic fiber, is used for making bullet proof vests protective inserts.

Related questions

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.

Description : __________ is a homopolymer. (A) Neoprene (B) Bakelite (C) Nylon-66 (D) Terylene

Last Answer : (A) Neoprene

Description : Synthetic polymer produced by using terephthalic acid and ethylene glycol is (A) Terylene (B) Nylon-66 (C) PVC (D) Polystyrene

Last Answer : (A) Terylene

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

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

Last Answer : cotton

Description : The core of a fiber optic is surrounded by a. Wire braid shield b. Kevlar c. Cladding d. Plastic insulation

Last Answer : c. Cladding

Description : The core of a fiber optic is surrounded by ∙ a. Wire braid shield ∙ b. Kevlar ∙ c. Cladding ∙ d. Plastic insulation

Last Answer : ∙ c. Cladding

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.

Description : Condensation polymerisation is not involved in the manufacture of (A) Teflon (B) Polythene (C) Terylene (D) Nylon

Last Answer : (B) Polythene

Description : __________ is not a polyester fibre. (A) Terylene (B) Dacron (C) Nylon (D) Polyacrylonitrile

Last Answer : (C) Nylon

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

Last Answer : B. Rayon (Answer)

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

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

Last Answer : Nylon

Description : Dacron (or Terylene) fibres as compared to nylon fibres have (A) Better heat & acid resistant properties (B) Poorer resistance to alkalis (C) Poorer dyeability (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

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

Last Answer : Terylene

Description : Which polymer is used for making bulletproof material? -General Knowledge

Last Answer : The answer is 'Polyethylene'

Description : Which polymer is used for making bulletproof material? -General Knowledge

Last Answer : answer:

Description : Which polymer is used for making bulletproof material

Last Answer : Polyethylene

Description : Which polymer is used for making bulletproof material?

Last Answer : Polyethylene

Description : Why would a Lexan mug be unsuitable for microwave use?

Last Answer : Lexan is generally safe to use in a microwave but the FDA requires serious testing to prove that before the manufacturer is allowed to leave the Do Not Microwave off the bottom. So its often marked as not safe for microwaving just to save money.

Description : Nylon-66 is obtained from:

Last Answer : Nylon-66 is obtained from: A. Hexamethylene diamine and adipic acid B. Phenol and formaldehyde C. ... and adipic acid D. Adipic acid and phthalic acid

Description : __________ is not a condensation polymer. (A) Teflon (B) Nylon-66 (C) Dacron (D) Polystyrene

Last Answer : (A) Teflon

Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelite

Last Answer : (B) Nylon-66

Description : Nylon-66 compared to nylon-6 has (A) Lower melting point (B) More abrasion resistant properties (C) Higher hardness (D) All (A), (B) and (C)

Last Answer : (C) Higher hardness

Description : Polyhexamethylene adipamide is also known as (A) Bakelite (B) Nylon-66 (C) Epoxy resin (D) Silicone rubber

Last Answer : (B) Nylon-66

Description : Nylon-66 is a polyamide of (A) Hexamethylene diamine and adipic acid (B) Adipic acid and methyl amine (C) Vinyl chloride and formaldehyde (D) None of these

Last Answer : (A) Hexamethylene diamine and adipic acid

Description : Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is (A) Nylon-66 (B) Teflon (C) Polyester (D) Bakelite

Last Answer : (B) Teflon

Description : Nylon-66 is manufactured from (A) Adipic acid and Hexamethylene diamine (B) Caprolactam (C) Maleic anhydride and Hexamethylene diamine (D) Dimethyl terephthalate (DMT) and ethylene glycol

Last Answer : (A) Adipic acid and Hexamethylene diamine

Description : Polycaprolactam is (A) Nylon-6 (B) Nylon-66 (C) Dacron (D) Rayon

Last Answer : (A) Nylon-6

Description : Polycaprolactam is also known as (A) Nylon-66 (B) Nylon-6 (C) Teflon (D) SBR

Last Answer : (B) Nylon-6

Description : Phenol formaldehyde is produced by condensation polymerisation. It is also known as (A) Teflon (B) Bakelite (C) Polyester (D) Nylon-66

Last Answer : (B) Bakelite

Description : Which of the following is a polymer of Hexamethylene diamine and adipic acid? (A) Nylon-6 (B) Nylon-66 (C) Nylon-6, 10 (D) Epoxy resin

Last Answer : (B) Nylon-66

Description : Polycaprolactam is nothing but (A) Orlon (B) Nylon-66 (C) Nylon-6 (D) Saran

Last Answer : (C) Nylon-6

Description : The inter particle forces between linear chains in nylon-66 are __________ bonds. (A) Hydrogen (B) Covalent (C) Ionic (D) None of these

Last Answer : (A) Hydrogen

Description : __________ is a copolymer. (A) Nylon-66 (B) Polypropylene (C) PVC

Last Answer : (A) Nylon-66

Description : Bristles of tooth brushes are made of (A) Nylon-6 (B) Nylon-66 (C) Polystyrene (D) PVC

Last Answer : (B) Nylon-66

Description : The organic acid monomer in nylon-66 is (A) Sebacic acid (B) Terephthalic acid (C) Adipic acid (D) Benzoic acid

Last Answer : (C) Adipic acid

Description : In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Hexamethylene diamine and the ring (B) Hexamethylene diamine and the adipic acid (C) Adipic acid and the ring (D) None of these

Last Answer : (B) Hexamethylene diamine and the adipic acid

Description : Nylon-6 as compared to nylon 66 has lower (A) Abrasion resistance (B) Thermal stability (C) Adhesion to rubber (D) Hardness

Last Answer : (A) Abrasion resistance

Description : Nylon-6 as compared to nylon-66 is (A) Harder (B) More abrasion resistant (C) Having higher melting point (D) None of these

Last Answer : (D) None of these

Description : Which of the following has the weakest intermolecular forces? (A) Polyisoprene (B) Nylon-66 (C) Polystyrene (D) Bakelite

Last Answer : (A) Polyisoprene

Description : Clasify the polymers as addition and condenstation polymers. Nylon 66, Buna-S, Polythene.

Last Answer : Ans: Nylon 66 condensation polymer.  Buna-S and polythene—Addition polymer.

Description : Arrange in increasing order of inter molecular forces. Nylon 66, Buna-S and polyethene.

Last Answer : Ans: Nylon 66 > polyethene> Buna-S 

Description : Arrange the following Polymers in increasing order of inter molecular forces. (a) Nylon 66, Buna-S and Polythene (b) Nylon 6, Neoprene and PVC

Last Answer : Ans: (a) Buna-S, Polythene and Nylon 66.  (b) Neoprene, PVC and Nylon 6.

Description : Why are the numbers 6, 6 and 6 put in the name of Nylon 66 and Nylon 6?

Last Answer : Ans: Nylon 66 means that it is formed by two monomers each containing six carbon atoms. While in Nylon 6 means that it is formed by a monomer containing six carbon atoms.

Description : Adipic acid is an intermediate in the manufacture of (A) Perspex (B) Nylon-66 (C) Polystyrene (D) Bakelit

Last Answer : (B) Nylon-66

Description : In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the (A) Diamine and the ring (B) Dibasic acid and the ring (C) Diamine and the dibasic acid (D) None of these

Last Answer : (C) Diamine and the dibasic acid

Description : Nylon-66 is manufactured from (A) Hexamethylene diamine and adipic acid (B) Hexamethylene diamine and Maleic anhydride (C) Caprolactam (D) Dimethyl terephthalate and ethylene glycol

Last Answer : (A) Hexamethylene diamine and adipic acid

Description : Polycaprolactam is commercially known as (A) Nylon-6 (B) Nylon-66 (C) Dacron (D) Rayon

Last Answer : (A) Nylon-6

Description : Nylon-66 is so named because the (A) Average degree of polymerisation of the polymer is 1966 (B) Number of carbon atoms between two nitrogen atoms are 6 (C) Number of nitrogen atoms between two carbon atoms are 6 (D) Polymer was first synthesised in 1966

Last Answer : (A) Average degree of polymerisation of the polymer is 1966