Which of the following polymers shows the highest anti-tacking properties? (A) Melamine formaldehyde resin (B) Phenolic resin (C) Epoxy resin (D) Alkyd resin

Which of the following polymers shows the highest anti-tacking
properties?
(A) Melamine formaldehyde resin
(B) Phenolic resin
(C) Epoxy resin
(D) Alkyd resin
by

1 Answer

Answer :

(A) Melamine formaldehyde resin
by

Related questions

__________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. (A) Epoxy (B) Amino (C) Alkyd (D) Phenolic

Description : __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. (A) Epoxy (B) Amino (C) Alkyd (D) Phenolic

Last Answer : (B) Amino

Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the (A) Electrical insulation purpose (B) Tanning of leather (C) Strengthening of plaster of Paris (D) Decorative laminates

Description : Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the (A) Electrical insulation purpose (B) Tanning of leather (C) Strengthening of plaster of Paris (D) Decorative laminates

Last Answer : (C) Strengthening of plaster of Paris

Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces (A) Epoxy resin (B) Polyamide (C) Alkyd resin (D) Phenolic resin

Description : Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces (A) Epoxy resin (B) Polyamide (C) Alkyd resin (D) Phenolic resin

Last Answer : (C) Alkyd resin

Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine

Description : Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. (A) Resorcinol (B) Phenol (C) Para-cresol (D) Melamine

Last Answer : (D) Melamine

Cation exchange resins used in water treatment is made from __________ resin. (A) Urea formaldehyde (B) Epoxy (C) Amino (D) Phenolic

Description : Cation exchange resins used in water treatment is made from __________ resin. (A) Urea formaldehyde (B) Epoxy (C) Amino (D) Phenolic

Last Answer : (A) Urea formaldehyde

Which of the following polymers belong to the class of formaldehyde resin? (A) Melamine resins (B) Teflon (C) Dacron (D) None of these

Description : Which of the following polymers belong to the class of formaldehyde resin? (A) Melamine resins (B) Teflon (C) Dacron (D) None of these

Last Answer : (A) Melamine resins

Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. (A) Epoxy (B) Phenol formaldehyde (C) Urea formaldehyde (D) Melamine formaldehyde

Description : Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. (A) Epoxy (B) Phenol formaldehyde (C) Urea formaldehyde (D) Melamine formaldehyde

Last Answer : (C) Urea formaldehyde

Which one of the following polymers is obtained from condensation polymerization? (A) Phenol formaldehyde (B) Carbamide (C) Melamine-formaldehyde (D) All of these

Description : Which one of the following polymers is obtained from condensation polymerization? (A) Phenol formaldehyde (B) Carbamide (C) Melamine-formaldehyde (D) All of these

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Melamine is obtained from calcium carbide (B) Formaldehyde is prepared synthetically from methane (C) The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin (D) All the above

Description : Pick up the correct statement from the following: (A) Melamine is obtained from calcium carbide (B) Formaldehyde is prepared synthetically from methane (C) The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin (D) All the above

Last Answer : Answer: Option D

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

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

Write the properties and applications of epoxy resin.

Description : Write the properties and applications of epoxy resin.

Last Answer : Properties: i) They have good chemical resistance. ii) They have low shrinkage during curing. iii) They possess good electrical resistance. iv) These compounds can be used in solid and ... to their electrical resistance they are widely used in making insulators, bushings etc. for high voltage. 

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

Description : 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

Last Answer : (A) Polyacrylonitrile

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

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

Last Answer : (C) Fibres

Alkyd resin is a/an (A) Polyamide (B) Polyester (C) Polyolefin (D) Addition polymer

Description : Alkyd resin is a/an (A) Polyamide (B) Polyester (C) Polyolefin (D) Addition polymer

Last Answer : (B) Polyester

Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used (A) For surface coating of automobiles & air crafts (B) For fibre making (C) As plasticiser for PVC & nitrocellulose (D) For film forming materials

Description : Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used (A) For surface coating of automobiles & air crafts (B) For fibre making (C) As plasticiser for PVC & nitrocellulose (D) For film forming materials

Last Answer : (B) For fibre making

Write four properties and four applications of urea formaldehyde resin.

Description : Write four properties and four applications of urea formaldehyde resin.

Last Answer : Properties: 1) The bond film produced by Urea - Formaldehyde resin is quite rigid & transparent. 2) It is good resistant to moisture, insects & fungi. 3) However action of acids & alkalies ... 3) Used as bonding articles in aircraft. 4) Used as bonding articles in ship building industries etc.

Acrylic is the name of (A) Cellulose resin (B) Alkyd resin (C) Methyl methacrylate (D) Cumarone-indene

Description : Acrylic is the name of (A) Cellulose resin (B) Alkyd resin (C) Methyl methacrylate (D) Cumarone-indene

Last Answer : Answer: Option C

Unbreakable crockeries are made from __________ polymers. (A) Polystyrene (B) Melamine (C) Polystyrene (D) Polyurethane

Description : Unbreakable crockeries are made from __________ polymers. (A) Polystyrene (B) Melamine (C) Polystyrene (D) Polyurethane

Last Answer : (B) Melamine

Unbreakable crockeries are made from __________ polymers. (A) Polystyrene (B) Melamine (C) Polystyrene (D) Polyurethane

Description : Unbreakable crockeries are made from __________ polymers. (A) Polystyrene (B) Melamine (C) Polystyrene (D) Polyurethane

Last Answer : (D) Polyurethane

Write the name of monomers of Melamine-Formaldehyde.

Description : Write the name of monomers of Melamine-Formaldehyde.

Last Answer : Ans: Melamine and Formaldehyde. 

Pick up the synthetic resin from the following: (A) Urea resin (B) Phenolic resin (C) Resorcinol resin (D) All of these

Description : Pick up the synthetic resin from the following: (A) Urea resin (B) Phenolic resin (C) Resorcinol resin (D) All of these

Last Answer : Answer: Option D

Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Description : Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Last Answer : (C) Produces epoxy polymers

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

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

Last Answer : (B) Nylon-66

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

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

Epoxy resin is (A) Not used for surface coating (B) A good abrasive (C) An elastomer (D) A polyester

Description : Epoxy resin is (A) Not used for surface coating (B) A good abrasive (C) An elastomer (D) A polyester

Last Answer : (B) A good abrasive

__________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these

Description : __________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these

Last Answer : (C) Polythene

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

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

__________ practically possess no elasticity. (A) Vulcanite or ebonite(B) Spandex fibre(C) Polysulphide rubber(D) Epoxy resin

Description : __________ practically possess no elasticity. (A) Vulcanite or ebonite (B) Spandex fibre (C) Polysulphide rubber (D) Epoxy resin

Last Answer : (A) Vulcanite or ebonite

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a (A) Polyamide & an elastomer (B) Good adhesive (C) Surface coating agent (D) Both (B) and (C)

Description : Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a (A) Polyamide & an elastomer (B) Good adhesive (C) Surface coating agent (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Epoxy resin (A) Is a good adhesive (B) Is an elastomer (C) Cannot be used for surface coatings (D) Is a polyester

Description : Epoxy resin (A) Is a good adhesive (B) Is an elastomer (C) Cannot be used for surface coatings (D) Is a polyester

Last Answer : (A) Is a good adhesive

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

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

A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of (A) Siloxane elastomers (B) Polyamides (C) Vinyl polymers (D) Urea-formaldehyde resins

Description : A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved ... Siloxane elastomers (B) Polyamides (C) Vinyl polymers (D) Urea-formaldehyde resins

Last Answer : (D) Urea-formaldehyde resins

Identify the group in which all the polymers mentioned can be used to make fibres. (A) Butadiene copolymers, Polyamides, Urea-formaldehyde (B) Cellulose derivatives, Polyisoprene, Polyethylene (C) Cellulose derivatives, Polyamides, Polyurethane (D) Polypropylene, Poly vinyl chloride, Silicon

Description : Identify the group in which all the polymers mentioned can be used to make fibres. (A) Butadiene copolymers, Polyamides, Urea-formaldehyde (B) Cellulose derivatives, Polyisoprene, Polyethylene (C) Cellulose derivatives, Polyamides, Polyurethane (D) Polypropylene, Poly vinyl chloride, Silicon

Last Answer : (B) Cellulose derivatives, Polyisoprene, Polyethylene

Bakelite (phenol-formaldehyde) resin cannot be used as (A) Decorative paint (B) Decorative laminates (C) Electrical insulation (D) Glass reinforced plastics

Description : Bakelite (phenol-formaldehyde) resin cannot be used as (A) Decorative paint (B) Decorative laminates (C) Electrical insulation (D) Glass reinforced plastics

Last Answer : (A) Decorative paint

Phenol formaldehyde resin is used as an adhesive in making (A) Laminates (B) Card boxes (C) Furniture (D) Books

Description : Phenol formaldehyde resin is used as an adhesive in making (A) Laminates (B) Card boxes (C) Furniture (D) Books

Last Answer : (A) Laminates

Is it possible to treat a stretchered canvas with polyurethane, epoxy resin or some such, to make it waterproof enough to hang over the bathroom shower?

Description : Is it possible to treat a stretchered canvas with polyurethane, epoxy resin or some such, to make it waterproof enough to hang over the bathroom shower?

Last Answer : answer:If you put on enough coats to be certain that there weren't any untreated areas, no matter how small, I don't see why not. Isn't this what they do with fiberglass coatings to make ... to boating people and ask them what they would recommend. Is this an Acrylic painting you're talking about?

What do you think about my using epoxy resin coating and flooring in all areas of my home and office, and why?

Description : What do you think about my using epoxy resin coating and flooring in all areas of my home and office, and why?

Last Answer : If the epoxy resin coating works well and safely, it should be fine. As long as the walls won't fall apart or aren't 'peeling' away. But check out the ingredients/chemical fumes of the epoxy that might affect your health. Open the windows at all times.

Are epoxy resin countertops scratch proof?

Description : Are epoxy resin countertops scratch proof?

Last Answer : Epoxy resin can be used as a sealant on counter tops to help make them resistant to scratches. There are no countertops made of epoxy resin

What are the advantages of epoxy resin as a fixative?

Description : What are the advantages of epoxy resin as a fixative?

Last Answer : Expoxy resin is very stable and that is exactly what you need in a goo fixative. The last thing you need is an unstable mix of chemicals,that can end in disaster. The advantages of epoxy ... it is durable, long-lasting, and inexpensive. Epoxy resin also resists cracking, unlike many older adhesives.

Epoxy resin transformers are more suitable in hazardous areas. Give reason.

Description : Epoxy resin transformers are more suitable in hazardous areas. Give reason.

Last Answer : Reason for Epoxy resin transformers are more suitable in hazardous areas :   1. Core used is of CRGO M4-M3 circular size, minimizes leakage reactance and hence core losses will be less. 2. Winding ... of oil there is no need of testing the dielectric strength of oil or no filtration of oil.

Pick up the correct statement from the following: (A) The phenol is carbolic acid (B) The phenol is either extracted from coal-tar or prepared from benzene (C) Phenol reacts with formaldehyde, to form phenol formaldehyde resin (D) All the above

Description : Pick up the correct statement from the following: (A) The phenol is carbolic acid (B) The phenol is either extracted from coal-tar or prepared from benzene (C) Phenol reacts with formaldehyde, to form phenol formaldehyde resin (D) All the above

Last Answer : Answer: Option D

Give the applications of phenol formaldehyde resin.

Description : Give the applications of phenol formaldehyde resin.

Last Answer : 1) For making electric insulator parts like switches, plugs, switchboards, heater-hands, sockets for light bulb, etc. and in wire insulation. 2) Used for making moulded articles like telephone parts, ... ) In paints and varnishes. 7) It is used as hydrogen- exchanger resin in water softening.

Mark the correct option a) SDI/ASPDs shall be entitled to an incentive equal to 10% of the commission paid to the agents b) A policy holder of WLA PLI/RPLI shall be eligible for tacking Children policy to his/her child c) Mail overseer should have min 10th standard qualification for doing this job. d) All the above

Description : Mark the correct option a) SDI/ASPDs shall be entitled to an incentive equal to 10% of the commission paid to the agents b) A policy holder of WLA PLI/RPLI shall be eligible for tacking ... child c) Mail overseer should have min 10th standard qualification for doing this job. d) All the above

Last Answer : d) All the above

When the distance between centers of two adjacent rivets connecting the members subjected to either compression or tension exceeds the maximum pitch, then the additional rivets which are not subjected to the calculated stresses are known as (a) Packing rivets (b) Long-grip rivets (c) Tacking rivets (d) Auxiliary rivets

Description : When the distance between centers of two adjacent rivets connecting the members subjected to either compression or tension exceeds the maximum pitch, then the additional rivets which are not subjected to the ... (a) Packing rivets (b) Long-grip rivets (c) Tacking rivets (d) Auxiliary rivets

Last Answer : (c) Tacking rivets

Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are addedto polymers to act as(A) Hardeners(B) Anti-shrinkage agents(C) Plasticisers(D) Transparency improver

Description : Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are addedto polymers to act as (A) Hardeners (B) Anti-shrinkage agents (C) Plasticisers (D) Transparency improver

Last Answer : (C) Plasticisers

Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Last Answer : (C) Elastometric

Plasticisers are added to synthetic plastics to (A) Impart flexibility (B) Improve workability during fabrication(C) Develop new improved properties not present in the original resin(D) All (A), (B) and (C)

Description : Plasticisers are added to synthetic plastics to (A) Impart flexibility (B) Improve workability during fabrication (C) Develop new improved properties not present in the original resin (D) All (A), (B) and (C)

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

__________ are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol). (A) Unsaturated polyester (B) Alkyd resins (C) Saturated polyester (D) Amino resins

Description : __________ are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol). (A) Unsaturated polyester (B) Alkyd resins (C) Saturated polyester (D) Amino resins

Last Answer : (B) Alkyd resins

List any four properties of thermosetting polymers.

Description : List any four properties of thermosetting polymers.

Last Answer : Properties of thermosetting polymers:  1.Very poor elasticity 2.sronger attractive forces between chains 3. not soluble in organic compounds 4.can not be remoulded 5. these polymers produces by condensation polymerization

Give any two properties of polymers.

Description : Give any two properties of polymers.

Last Answer : Properties of polymers:- 1. It can be molded. 2. It has ability to soften and even melt.