Description : Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an (A) Air filter (B) Bag filter (C) Venturi scrubber (D) Hydrocyclones
Last Answer : (A) Air filter
Description : This type threasher consist of spike tooth cylinder, woven wire mesh concave and upper casing provide with helical louvers. a. Hammer mill c. Dummy d. None of above
Last Answer : Ans- b. Axial flow
Description : It consists of spike tooth cylinder, woven- wire mesh concave and upper casing provided with helical concave. a) Dummy type c) Spike-tooth type b) Hummer type d) Axial flow type
Last Answer : Axial flow type
Description : Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter ... the __________ fibres. (A) Acrylic (B) Polyester (C) Nylon 6:6 (D) Polypropylene
Last Answer : (A) Acrylic
Description : 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) ... fibres are all prepared by wet spinning (D) Nylon fibres have greater water absorption capacity than polyester fibres
Last Answer : (C) Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning
Description : What is the difference between knit fabrics and woven fabrics?
Last Answer : it is quite simple actually when you do a barrell roll all the ansewers will come to youbut basically one is knitted one woven?my mum says it is interlaced differentlybut i susgest you do a ... In woven fabrics, multiple strings of yarn cross each other, creating the appearance of a basket weave
Description : The substance that is least prone to catch and spread fire is (a) nylon (b) terycot (c) cotton (d) polyester
Last Answer : Ans:(c)
Description : The fiber least prone to catch fire is (1) nylon (2) polyester (3) cotton (4) terylene
Last Answer : cotton
Description : Which of the following fibres catches fire least? (1) Nylon (2) Cotton (3) Rayon (4) Terricot
Last Answer : (2) Cotton Explanation: The fibre least prone to catch fire is cotton. Fabrics with more of the fiber surface area exposed to air have more oxygen available to support, burning and therefore burn more easily. Thus, thin, gauzy fabrics, lace, or brushed fabrics can be very flammable.
Description : Which of the following fibres catches fire least ? (1) Nylon (2) Cotton (3) Rayon (4) Terricot
Last Answer : Cotton
Description : Which of the following is not used as a filter medium in case of corrosive liquids? (A) Nylon (B) Glass cloth (C) Metal cloth of monel or stainless steel (D) Cotton fabric
Last Answer : (D) Cotton fabric
Description : Trommels employ __________ for screening of materials. (A) Fibrous cloth (B) Woven wire screen (C) Punched plate (D) None of these
Last Answer : (C) Punched plate
Description : Nylon is made up of : (1) Polyamide (2) Polyester (3) Polyethylene (4) Polypropylene
Last Answer : (1) Polyamide Explanation: Nylon is a generic designation for a family of synthetic polymers known generically as aliphatic polyamides. It is one of the most commonly used polymers.
Description : Nylon threads are made of - (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide
Last Answer : (2) Polyamide polymer Explanation: Nylon is a generic designation for a family of synthetic polymers, more specifically aliphatic or semiaromatic polyamides. They can be melt-processed into fibers, ... . Nylon polymers have found significant commercial applications in fibers, in shapes and in films.
Description : The first synthetic fibre made by man was- (1) Rayon (2) Nylon (3) Polyester (4) Terycott
Last Answer : (2) Nylon Explanation: Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s.
Description : Nylon threads are made of (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide
Last Answer : Polyamide polymer
Last Answer : Polyamide
Description : Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. (A) Nylon (B) Polyacrylonitrile (C) Polypropylene (D) Polyester
Last Answer : (B) Polyacrylonitrile
Description : Nylon-6 is a (A) Polyamide (B) Thermosetting resin (C) Polyester (D) None of these
Last Answer : (A) Polyamide
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 : 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 : Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces (A) Nylon-6 (B) Dacron (C) Polyester (D) PVC
Last Answer : (B) Dacron
Description : __________ is not a polyester fibre. (A) Terylene (B) Dacron (C) Nylon (D) Polyacrylonitrile
Last Answer : (C) Nylon
Description : In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a crosslinked polymer? (A) Bakelite (phenol formaldehyde) (B) Polyester (C) Polythene (D) Nylon-6
Last Answer : (A) Bakelite (phenol formaldehyde)
Description : Nylon-6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an (A) Polyester (B) Polyamide (C) Polyisopren
Last Answer : (B) Polyamide
Description : Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces (A) Nylon-6 (B) Dacron (C) Polyester (D) PVC
Description : __________ fibres are made of polyamides. (A) Dacron (B) Nylon (C) Rayon (D) Orion
Last Answer : (B) Nylon
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
Description : Which of the following is stretched into fibres? (A) Saturated polyester (B) Unsaturated polyester (C) Isoprene (D) Bakelite
Last Answer : (A) Saturated polyester
Description : What are the Names of metallic fabrics?
Last Answer : What is the answer ?
Description : Which of the following best describes Nylon? w) polyamide x) polyester y) polyolefin z) acrylic
Last Answer : ANSWER: W -- POLYAMIDE
Description : Pick out the wrong statement. (A) Azoic dyes are mostly applied on cotton fabrics (B) Basic dyes (e.g. amino derivatives) are applied mostly to paper (C) Mordant dyes are applied mainly to wools (D) None of these
Last Answer : (D) None of these
Description : Dacron (or Treylene) 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 : 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)
Description : Pick out the correct statement. (A) The capacity and the effectiveness of a screen are the same (B) The capacity and the effectiveness of screen are opposing factors (C) The screening surface of a 'reel' (a ... flour mills) is made of silk bolting cloth supported by wire mesh (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C
Description : Which class of material would you classify Nylon a) Fibres b) Polymer c) Ceramics d) Glass
Last Answer : b) Polymer
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 : How does one get nail polish out of cotton/polyester/spandex pants?
Last Answer : answer:Normally I would say I scrape off as much as possible and then dab it with nail polish remover to get any remaining little bits off. I wouldn't recommend scrubbing with nail polish remover because you ... fix the original color). Since you washed it, I don't know if that would work though.
Description : WHAT IS BETTER FOR QUILTING COTTON OR POLYESTER /COTTON BLENDS?
Last Answer : Cotton is a good choice for quilting. It offers durability and is easy to maintain. Stains are easily removed as well and the material is ever so soft.
Description : Polyester Vs Cotton Underwear – Which Is Better?
Last Answer : Polyester If you are looking for the best men’s underwear but are confused about the fabric, you certainly need to know the benefits offered by polyester. Though polyester is a synthetic fabric, it ... foul smell or fungus or any other embarrassing concerns. You might now be wondering if there
Description : Example of natural plant fibre: a. Silk b. Cotton c. Viscose rayon d. Polyester
Last Answer : b. Cotton
Description : Any idea if this woven jewelry might have been made from a generic pattern?
Last Answer : When I first looked at it, I saw a crochet pattern done with beads…
Description : Bag filters are used for removal of pollutants from
Last Answer : Bag filters are used for removal of pollutants from A. Exhaust emissions B. Effluent water C. sewage water D. Both B and C
Description : Is a leather computer bag more durable than a nylon or fake leather one?
Last Answer : In my view, a genuine leather bag for laptop is more capable, reliable and durable rather than other bags made of nylon and synthetic materials. Bags which are made from nylon can be deformed and melted in the scorching heat of the sun.
Description : While we're on the topic of water filters, what are some possible ways I can help the water filter in my turtles' aquarium?
Last Answer : The best filter I ever had was an undergravel filter. There was a raised plate under the gravel and the aerators pulled the water down through the gravel and recirculated it. That was the healthiest tank I ever had. I don’t know if you can even find them today,
Description : Which of the following filters block FM radio band for TV channels (2 to 13)? A. High-pass filter B. Band reject filter C. Low-pass filter D. Band-pass filter
Last Answer : B. Band reject filter
Description : Pick up the incorrect statement from the following: (A) The water entering the slow sand filters should be treated by 9.386 coagulants (B) The depth of water on the filter should be twice the ... is 0.75 times the depth of filter sand, the water obtained is purest (D) All the above
Last Answer : (D) All the above