Description : Thiokol is nothing but (A) Polysulphide rubber (B) Polyamide fibre (C) Engineering plastic (D) Expanded polystyrene
Last Answer : (A) Polysulphide rubber
Description : Polyhexamethylene adipamide is also known as (A) Bakelite (B) Nylon-66 (C) Epoxy resin (D) Silicone rubber
Last Answer : (B) Nylon-66
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 : __________ is produced by polymerisation of chloroprene. (A) Thiokol (a polysulphide rubber) (B) Butyl rubber (C) Neoprene (D) Polyurethane rubber
Last Answer : (C) Neoprene
Description : __________ scrap can be recycled & reutilised. (A) Bakelite (B) Epoxy resin (C) Polythene (D) None of these
Last Answer : (C) Polythene
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
Description : Rubber is a product of a)Fibre b)Latex c) Resin d) Gum
Last Answer : b)Latex
Description : Ebonite is a/an (A) Highly vulcanised rubber (B) Natural rubber (C) Unvulcanised raw rubber (D) Adhesive
Last Answer : (A) Highly vulcanised rubber
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 : 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 polymers shows the highest anti-tacking properties? (A) Melamine formaldehyde resin (B) Phenolic resin (C) Epoxy resin (D) Alkyd resin
Last Answer : (A) Melamine formaldehyde resin
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
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
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)
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
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
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?
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.
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
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.
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.
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.
Description : Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of ______________. A. asbestos B. water C. fibre D. plastic
Last Answer : Answer: B
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
Description : Fibre reinforced plastic (FRP) are (A) Made of glass fibre and thermoplastic resins (B) Anisotropic (C) Made of thermosetting resin and glass fibre (D) Both 'b' & 'c'
Last Answer : Option D
Description : The plastics made from cellulose resin (A) Are as clear as glass (B) Are tough and strong (C) Possess excellent electrical properties (D) All the above
Last Answer : Answer: Option D
Description : Cellulose is the main constituent of most __________ fibres. (A) Acrylic (B) Spandex (C) Synthetic (D) Natural
Last Answer : (D) Natura
Description : Pick up correct statement from the following: (A) Fibre boards are used for thermal and acoustic control (B) Fibre boards are used for light weight standing members (C) Fibre boards are obtained by impregnating a resin product on fibres (D) All the above
Description : Gutta percha rubber is (A) Soft & tacky at room temperature (B) An isomer of natural rubber (C) A thermosetting resin (D) Recovered by coagulation of rubber latex
Last Answer : (B) An isomer of natural rubber
Description : There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. (A) Classification (B) Tabling (C) Jigging (D) Froth floatation
Last Answer : (D) Froth floatation
Description : A system exhibiting S.H.M. must possess – (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only
Last Answer : (1) Elasticity as well as inertia Explanation: Basic conditions to execute simple harmonic motion are: (i) There must be an elastic restoring force acting on the system, (ii) the system ... of the system should be directly proportional to its displacement and is always directed to mean position.
Description : A system exhibiting S.H.M. must possess (1) Elasticity as well as inertia (2) Elasticity, inertia and an external force (3) Elasticity only (4) Inertia only
Last Answer : Elasticity as well as inertia
Description : Rank the following impressions materials according to their flexibility A. Alginate> Polysulphide> Silicone> Zinc Oxide Eugenol B. Silicone> Alginate> Polysulphide> Zinc Oxide Eugenol C. ... Eugenol> Silicone> Polysulphide 300.Denture resins are usually available as powder and liquid that
Last Answer : D. Alginate> Silicone> Polysulfide> Zinc Oxide Eugenol
Description : Resin is a product of – (1) Grapes (2) Coniferous trees (3) Rubber tree (4) Banyan tree
Last Answer : (2) Coniferous trees Explanation: Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. It is distinct from other liquid cam-pounds found inside plants or exuded by plants, such as sap, latex, or mucilage.
Description : Resin is a product of (1) Grapes (2) Coniferous trees (3) Rubber tree (4) Banyan tree
Last Answer : Coniferous trees
Description : Pick out the correct statement. (A) Noise from ball mills can be dealt with by fibre glass lined enclosures (B) Noise from vibrating chutes can be reduced by lining the metallic chute with rubber (C) Noise ... cloth conveyor belts and rubber/plastic covered metallic rollers (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Vulcanisation of rubber does not increase its (A) Softness (B) Oxidation resistance (C) Weight & strength (D) Elasticity & water solubility
Last Answer : (A) Softness
Description : Vulcanisation of rubber does not increase its (A) Elasticity (B) Plasticity (C) Ductility (D) None of these
Last Answer : (B) Plasticity
Description : Vulcanisation of rubber (A) Decreases its tensile strength (B) Increases its ozone & oxygen reactivity (C) Increases its oil & solvent resistance (D) Converts its plasticity into elasticity
Last Answer : (D) Converts its plasticity into elasticity
Description : Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its (A) Elasticity (B) Strength (C) Plasticity (D) Weathering characteristics
Last Answer : (D) Weathering characteristics
Description : Pick out the correct statement. (A) Materials exhibiting high elasticity obey Hooke's law (B) The elastic behaviour of rubber under compression is the same as its behaviour under tension (C) ... to its plastic deformation (D) The stress required to cause plastic flow in polycrystalline material is
Last Answer : Option B
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
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
Description : __________ is a thermosetting plastic. (A) Polythene (B) Epoxy polymer (C) P.V.C. (D) Polystyrene
Last Answer : (B) Epoxy polymer
Description : When an ebonite rod is rubbed with fur, which charge acquired by the fur? -Do You Know?
Last Answer : answer:
Description : What is Ebonite is:
Last Answer : Ebonite is: A. natural rubber B. synthetic rubber C. highly vulcanized rubber D. polypropene
Description : When an ebonite rod is rubbed with fur, the charge acquired by the fur is
Last Answer : Positive
Description : When an ebonite rod is rubbed with fur, which charge acquired by the fur?