Buna-S is also known as
(A) Teflon
(B) PTFE
(C) SBR
(D) Polycrylates

1 Answer

Answer :

(C) SBR

Related questions

Description : Buna-S is also called (A) Polyurethane (B) SBR (C) Teflon (D) Bakelite

Last Answer : (B) SBR

Description : In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? (A) PTFE (B) Buna-S (C) PMMA (D) Polycaprolactam

Last Answer : (B) Buna-S

Description : Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of (A) Cold SBR (B) Butyl rubber (C) Bunai N (D) Buna S

Last Answer : (B) Butyl rubber

Description : Polytetrafluoroethylene (PTFE) is also widely used insulator and is known as. A. polystyrene B. teflon C. ceramic D. bakelite

Last Answer : B. teflon

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

Last Answer : (B) Nylon-6

Description : Which of the following is a copolymer? (A) Polystyrene (B) SBR (C) PTFE (D) Polypropylene

Last Answer : (B) SBR

Description : Rexine (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten (A) Teflon (B) Bakelite (C) SBR (D) PVC

Last Answer : (D) PVC

Description : Poly-tetra-fluoro ethylene (PTFE) is known as (A) Dacron (B) Teflon (C) Bakelite

Last Answer : (B) Teflon

Description : Teflon is (A) Phenol formaldehyde (B) An inorganic polymer (C) Polytetrafluroethylene (PTFE) (D) A monomer

Last Answer : (C) Polytetrafluroethylene (PTFE)

Description : Teflon (PTFE) is corroded by (A) Hydrochloric acid (10%) (B) Hydrochloric acid (95%) (C) Sulphuric acid (D) None of these

Last Answer : (D) None of these

Description : Window panes of aeroplanes are normally made of (A) Perspex (PMMA) (B) Teflon (PTFE) (C) Bakelite (phenol formaldehyde) (D) Polystyrene

Last Answer : Option A

Description : Which of the following is not a polymer of two monomers? (A) Teflon (B) Bakelite (C) SBR (D) None of these

Last Answer : (A) Teflon

Description : Plexiglass (also called Lucite) because of its high optical transparency is used for making lenses. It is chemically (A) Polymethyl methacrylate (PMMA) (B) Polytetrafluroethylene (PTFE) (C) Polycarbonates (D) Phenolic resins

Last Answer : (A) Polymethyl methacrylate (PMMA)

Description : Buna-N is also called (A) Butyl rubber (B) Nitrile rubber (C) Neoprene (D) Thiokol

Last Answer : (B) Nitrile rubber

Description : Buna-S is a __________ material. (A) Fibrous (B) Plastic (C) Resinous (D) Rubbery

Last Answer : (D) Rubbery

Description : Kel-F is a material, which is (A) Chemically known as Polychlorotrifluoroethylene (PTFE) (B) Having excellent chemical & high temperature resistance (upto 200°C) (C) Having elastomeric properties (D) All (A), (B) and (C)

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

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 : 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 : Buna-S is obtained by the copolymerisation of butadiene and:

Last Answer : Buna-S is obtained by the copolymerisation of butadiene and: A. Chloroprene B. styrene C. acrylonitrile D. adipic acid

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 : Explain the difference between Buna-N and Buna-S.

Last Answer : Ans: Buna-N:- 1. It is optained by the copolymerization of 1,3 - butadiene and acrylonitrile in the presence of a Peroxide Cxtalyst. 2. It is resistant to action of Petrol. 3. It is used ... 1. It is obtained by the Copolymerisation of buta diene and styrene. 2. It is used for automobile tyres.

Description : Explain the difference between Buna-N and Buna-S.

Last Answer : Ans: Buna-N:- 1. It is obtained by the copolymerization of 1,3 - butadiene and acrylonitrile in the presence of a Peroxide Catalyst. 2. It is resistant to action of Petrol. 3. It is used ... 1. It is obtained by the Copolymerisation of buta diene and styrene. 2. It is used for automobile tyres.

Description : Write the Mnomers of Buna-s.

Last Answer : Ans. 1, 3 butadine and styrene 

Description : Explain the difference between Buna— S and Buna — N.

Last Answer : Ans. Buna — N is a copolymer of 1, 3-butadiene and acrylo nitrile, Buna — S is a copolymer of 1, 3-butadiene and styrene.

Description : Arrange the following polymer in increasing order of their molecular forces : (a) nylon-6, 6, Buna-S, polythene. (b) nylon-6, Neoprene, polyvinyl chloride.

Last Answer : Ans. (a) Buna S < Polythene < Nylon-6, 6. (b) Neoprene < Polyvinyl Chloride < Nylon-6.

Description : The monomers for Buna-S are 1,3-butadiene and (a) Ethylene glycol (b) Adipic acid (c) Styrene (d) Caprolactum

Last Answer : Styrene

Description : Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Poly chloroprene

Last Answer : (D) Poly chloroprene

Description : Neoprene is chemically known as (A) Polybutadiene (B) Styrene butadiene rubber (SBR) (C) Polyurethane (D) Polychlorophrene

Last Answer : (D) Polychlorophrene

Description : Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation (A) PVC (B) Bakelite (C) PTFE (D) Epoxy resin

Last Answer : (A) PVC

Description : The repeating units of PTFE are (A) Cl2CH-CH3 (B) F2 C = CF2 (C) F3 C-CF3 (D) FClC = CF2

Last Answer : (B) F2 C = CF2

Description : Bakelite is (A) Same as Polytetrafluoroethylene (PTFE) (B) An inorganic polymer (C) Same as thermoset phenol formaldehyde (D) Not a polymer

Last Answer : (C) Same as thermoset phenol formaldehyde

Description : Concentrated HCl at 30°C can be stored in a vessel made of (A) PTFE and porcelain (B) Cast iron and aluminium (C) Stainless steel and high silicon cast iron (D) None of these

Last Answer : (A) PTFE and porcelain

Description : Bakelite is (A) Same as Polytetrafluoroethylene (PTFE) (B) An inorganic polymer (C) Same as thermosetting phenol-formaldehyde (D) Not a polymer

Last Answer : (C) Same as thermosetting phenol-formaldehyde

Description : Poly-methyl-methacrylate, which is an acrylic resin, is also called (A) Thiokol (B) Plexiglass or Lucite (C) Dacron (D) Teflon

Last Answer : (B) Plexiglass or Lucite

Description : Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E. (poly chloro tetra fluoro ethylene). It is also called (A) Polyurethane (B) Silicone rubber (C) Teflon (D) Epoxy resin

Last Answer : (C) Teflon

Description : Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E (poly chloro tetra fluoro ethylene). It is also called (A) Polyurethane (B) Silicone (C) Teflon (D) Epoxy resin

Last Answer : (C) Teflon

Description : What is the first thing eliezer asks when they arrive at buna?

Last Answer : Feel Free to Answer

Description : Polytetrafluoroethylene (PTFE) is commonly used in sliding bearings. Why?

Last Answer : The choice of sliding surface of bearings is of vital importance because the sliding surfaces generate frictional forces which are exerted on the bearings and substructure of the bridge. For ... be designed with dimples to avoid the lubricant from squeezing out under repeated translation movements.

Description : Abbreviation of PTFE is……… 11. Trolley

Last Answer : Poly Tetra Fluoro Ethylene

Description : Styrene butadiene rubber (SBR) is never used for making (A) Coated fabrics (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Last Answer : (B) Front wheel tyres of aeroplanes (i.e., heavy duty tyres)

Description : Rain coats are made of (A) Neoprene (B) PVC (C) Polyurethane (D) SBR

Last Answer : (B) PVC

Description : __________ is a copolymer. (A) Styrene butadiene rubber (SBR) (B) Neoprene (C) PVC (D) None of these

Last Answer : (A) Styrene butadiene rubber (SBR

Description : Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

Last Answer : (C) Neoprene is a natural rubber

Description : __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. (A) Percent elongation (B) Resilience (C) Freezing point (D) Strength

Last Answer : (B) Resilience

Description : Starting material for the production of SBR is (A) Ethyl alcohol (B) Ethylene (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at (A) 1: 3 (B) 3 : 1 (C) 1 : 2 (D) 2 : 1

Last Answer : (A) 1: 3

Description : Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are (A) 5°C and 1 kgf/cm2 (B) - 20°C and 1 kgf/cm2 (C) 0°C and 1 kgf/cm2 (D) 0°C and 3 kgf/cm

Last Answer : (A) 5°C and 1 kgf/cm

Description : Pick out the wrong statement. (A) Cold SBR is superior as compared to hot SBR (B) Polymerisation temperature can modify the properties of SBR (C) Production of cold SBR employs lower pressure as compared to that of hot SBR (D) None of these

Last Answer : (D) None of these