Polyvinyl acetate is never used for making (A) Moulded articles (B) Fibres (C) Adhesives

Polyvinyl acetate is never used for making
(A) Moulded articles
(B) Fibres
(C) Adhesives
by

1 Answer

Answer :

(A) Moulded articles
by

Related questions

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

In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Last Answer : (B) PVC

The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is(A) Polyvinyl alcohol(B) Polyvinyl acetate(C) Polyvinyl butyral(D) PVC

Description : The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is (A) Polyvinyl alcohol (B) Polyvinyl acetate (C) Polyvinyl butyral (D) PVC

Last Answer : (C) Polyvinyl butyral

Benzoyl chloride is not used as a catalyst in the manufacture of (A) Polystyrene (B) Polyvinyl acetate (C) Polypropylene (D) Polyvinyl chloride-co-vinyl acetate

Description : Benzoyl chloride is not used as a catalyst in the manufacture of (A) Polystyrene (B) Polyvinyl acetate (C) Polypropylene (D) Polyvinyl chloride-co-vinyl acetate

Last Answer : (C) Polypropylene

Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate

Description : Vinyl flooring is done using __________ sheets. (A) Polypropylene (B) PVC (C) Polythene (D) Polyvinyl acetate

Last Answer : (B) PVC

Pick up the non-inflammable plastic from the following: (A) Cellulose acetate plastics (B) Polyvinyl chloride plastics (C) Phenol formaldehyde plastic (D) Urea formaldehyde plastic

Description : Pick up the non-inflammable plastic from the following: (A) Cellulose acetate plastics (B) Polyvinyl chloride plastics (C) Phenol formaldehyde plastic (D) Urea formaldehyde plastic

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Polyurethane cannot be used for making (A) Mattresses & foam (B) Coating material (C) Adhesives (D) Bottles

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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

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A sulphate salt of group 2 element of the periodic table is white ,soft substance which can be moulded into different shapes by making its dough.Identify the salt . (a) CaSO4.1/2 H2O (b) CaSO4.2H2O (c) 2CaSO4. 1⁄2 H2O (d)CaSO4

Description : A sulphate salt of group 2 element of the periodic table is white ,soft substance which can be moulded into different shapes by making its dough.Identify the salt . (a) CaSO4.1/2 H2O (b) CaSO4.2H2O (c) 2CaSO4. 1⁄2 H2O (d)CaSO4

Last Answer : (a) CaSO4.1/2 H2O

Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Description : Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Last Answer : (C) Easily deform under pressure at high temperature

Thermosetting polymers are (A) Injection moulded (B) Cast molded (C) Extruded (D) None of these

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Last Answer : (B) Cast molded

Adhesives (A) Can’t be used in the form of pressure sensitive tapes (B) Can’t join two dissimilar metals (C) Cure instantaneously after application on a surface (D) None of these

Description : Adhesives (A) Can’t be used in the form of pressure sensitive tapes (B) Can’t join two dissimilar metals (C) Cure instantaneously after application on a surface (D) None of these

Last Answer : (D) None of these

Which one of the following polymers is widely used for making bullet proof material? (1) Polyvinyl chloride (2) Polyamides (3) Polyethylene (4) Polycarbonates

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Last Answer : (4) Polycarbonates Explanation: Ballistic nylon was the standard cloth used for bulletproof vests until the 1970s. In 1965, Stephanie Kwolek, a chemist at Du Pont, invented Kevlar, trademark ... terephthalamide, a liquid polymer that can be spun into aramid fiber and woven into cloth.

Which one among the following polymers is used for making bullet-proof material? (1) Polyvinyl chloride (2) Polystyrene (3) Polyethylene (4) Polyamide

Description : Which one among the following polymers is used for making bullet-proof material? (1) Polyvinyl chloride (2) Polystyrene (3) Polyethylene (4) Polyamide

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The synthetic plastic used for making insulation cover in electrical wires is ________. a ) Bakelite b)melamine c)Polyvinyl Chloride d)Poly styrene

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Last Answer : c)Polyvinyl Chloride

Pick up the correct statement from the following: (A) The average crushing strength of hand moulded bricks is 6000 t/m2 (B) The average tensile strength of hand moulded brick is 200 t/m2 (C) The average shearing strength of hand moulded brick is 600 t/m2 (D) All the above

Description : Pick up the correct statement from the following: (A) The average crushing strength of hand moulded bricks is 6000 t/m2 (B) The average tensile strength of hand moulded brick is 200 t/m2 (C) The average shearing strength of hand moulded brick is 600 t/m2 (D) All the above

Last Answer : Answer: Option D

The thermosetting plastic (A) Becomes rigid when moulded at suitable pressure and temperature (B) At 127°C to 177°C permanently set and further application of heat does not soften it (C) Chars at 343°C (D) All the above

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Ornamental moulded course placed on the top of a wall, is (A) Cornice (B) Coping (C) Frieze (D) Lintel

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What adhesives can I use with a road bike inner tube patch?

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Last Answer : answer:Gorilla Glue claims it can adhere anything to anything. Give it a shot. Its at WalMart. I use it for just about anything.

How to Select Glues and Adhesives?

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What is reactive adhesives?

Description : What is reactive adhesives?

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Which type of plastics is used for mak- ing adhesives; button etc?

Description : Which type of plastics is used for mak- ing adhesives; button etc?

Last Answer : Urea formaldehyde

Name two types of adhesives and give their uses.

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Write any two advantages of Adhesives.

Description : Write any two advantages of Adhesives.

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Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

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In bag filters, filter fabrics are never made of (A) Metallic wire woven mesh (B) Polyester fibres (C) Cotton fibres (D) Nylon fibres

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Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but (A) Polyacrylonitrile (B) Polyamide (C) Saturated polyester (D) Alkyd resin

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Last Answer : (A) Polyacrylonitrile

Alkyd resin cannot be used for making (A) Plasticiser (B) Paint & varnish (C) Fibres (D) Film forming materials

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Naphthalene recovered from coke oven gas is used (A) As moisture proof coating on fibres(B) As moth balls (insecticides)(C) As a fuel in furnaces(D) For making electrodes

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Polyvinyl chloride (PVC) (A) Is produced by Polycondensation reaction (B) Uses either emulsion or suspension polymerisation methods (C) Can be made thermosetting by adding a plasticiser (D) Softening temperature is 200°C

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. Polyvinyl chloride (PVC) is (A) A thermosetting material (B) A condensation polymerisation product (C) Made by employing emulsion polymerisation (D) None of these

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Polyvinyl alcohol is used as a (A) Cation/anion exchanger (B) Water soluble adhesive (C) Textile fibre (D) Non-sticky coating on frying pans

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Last Answer : (B) Water soluble adhesive

Reactor used in the production of polyvinyl chloride (PVC) is made of (A) Nickel or glass lined steel (B) Aluminium (C) Tantalum (D) Lead

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Polyvinyl chloride containers are not suitable for storing (A) Foodstuffs (B) Woolen clothes (C) Metallic powder (D) None of these

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Bakelite is chemically known as (A) Polyvinyl chloride (PVC) (B) Polybutadiene (C) Phenol formaldehyde (D) Polyurethane

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. Polyvinyl chloride (PVC) is (A) A thermosetting material (B) A condensation polymerisation product (C) Made by employing emulsion polymerisation (D) None of these

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Last Answer : (C) Made by employing emulsion polymerisation

__________ is a thermosetting plastic. (A) Polyvinyl chloride (B) Polythene (C) Bakelite (D) Teflon

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The process of chipping wood and making into fibres is called

Description : The process of chipping wood and making into fibres is called

Last Answer : pulping.

Why are fibres used in making gunny bags and ropes?

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Last Answer : Sclerenchyma fibres are flexible and elastic; hence they are used in coir industries to make gunny bags and ropes.

The correct route through which pulse-making impulse travels in the heart is (a) SA node → Purkinje fibres → bundle of His → AV node → heart muscles (b) SA node → AV node → bundle of His → Purkinje fibres → heart muscles(c) AV node → bundle of His → SA node → Purkinje fibres → heart muscles (d) AV node → SA node → Purkinje fibres → bundle of His → heart muscles.

Description : The correct route through which pulse-making impulse travels in the heart is (a) SA node → Purkinje fibres → bundle of His → AV node → heart muscles (b) SA node → AV node → bundle of His → Purkinje ... fibres → heart muscles (d) AV node → SA node → Purkinje fibres → bundle of His → heart muscles.

Last Answer : (b) SA node → AV node → bundle of His → Purkinje fibres → heart muscles

Polyvinyl Chloride What ?

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Nylon threads are made of - (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide

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Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Description : Which of the following is used to make light weight, but strong plastic? (1) Nylon (2) Polythene (3) Polyvinyl Chloride (4) Methyl Methacrylate

Last Answer : (3) Polyvinyl Chloride Explanation: Polyvinyl chloride (PVC) is a common, strong but lightweight plastic that is used in making tough plastic. It is used for flexible applications such ... cables. It is the third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.

The term PVC used in the plastic industry stands for - (1) polyvinyl chloride (2) polyvinyl carbonate (3) phosphor vanadium chloride (4) phosphavinyl chloride

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Write the monomer of Polyvinyl chloride.

Description : Write the monomer of Polyvinyl chloride.

Last Answer : Ans: Vinyl chloride. 

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

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The term PVC used in the plastic industry stands for-------? A. Phosphavinyl chloride B. Phosphor vanadiu chloride C. Polyvinyl chloride (Answer) D. Polyvinyl carbobate

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Last Answer : C. Polyvinyl chloride (Answer)

PVC stands for (a) polyvinyl chloride (b) post varnish conductor (c) pressed and varnished cloth (d) positive voltage conductor (e) none of the above

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Last Answer : (a) polyvinyl chloride

Which impression material should NOT be kept in water within on hour: (in another paper it was: 30 mins before pouring) A. Polyether B. Condensation silicone C. Polyvinyl silicone

Description : Which impression material should NOT be kept in water within on hour: (in another paper it was: 30  mins before pouring)  A. Polyether  B. Condensation silicone  C. Polyvinyl silicone 

Last Answer : A. Polyether