Which polymeric material is used for making bullet proof jacket?

1 Answer

Answer :

KEVLAR

Related questions

Description : Why would anyone think it's a good idea to "test" a bullet-proof vest when they're actually wearing a flak jacket?

Last Answer : And once again, the process of natural selection shows its primacy. Stupid people do stupid things.

Description : Which polymer is widely used for making bullet proof material? -General Knowledge

Last Answer : The answer is 'Polyethylene'

Description : Which polymer is widely used for making bullet proof material? -General Knowledge

Last Answer : answer:

Description : Which polymer is widely used for making bullet proof material?

Last Answer : – Polyethylene

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

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.

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

Last Answer : (3) Polyethylene Explanation: A bullet-proof material is made of polyethylene. It is a higher grade of the plastic found in Tupperware.

Description : Which polymer is widely used for making bullet proof material?

Last Answer : Polyethylene

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 : David Neeleman (Jet Blue), Steve Jobs (Apple), George Zimmer (Men’s Wearhouse), Andrew Mason (Groupon), and Dov Charney (American Apparel) were founders and CEOs forced out of the companies they founded, how could they have made themselves ”bullet proof”?

Last Answer : Don’t sell stock in your company and don’t borrow money.

Description : Why is there not a bustling market for bullet proof vests for the civilian market?

Last Answer : Because beyond all that, Yankees , feel they live in the best safest country in the world and all that bad stuff happens to someone else it will never happen to me,type thing .

Description : Sales of bullet proof backpacks for children sky rocket. How does that make you feel?

Last Answer : Very sad.

Description : How would you feel about sending your child to school with a bullet-proof backpack?

Last Answer : If there was good reason to send my child with a bullet-proof backpack, my child would not be going to school.

Description : Do you think the White House's windows are bullet-proof?

Last Answer : Yes, I think so.

Description : Which glass is used in bullet proof screens?

Last Answer : Reinforced glass

Description : Bullet proof glass is made of thick glass sheet sandwiched by a layer of (A) Steel (B) Stainless steel (C) High test plastic (D) Chromium plate

Last Answer : Answer: Option C

Description : The behaviour of visco-elastic material is time dependent. This behaviour is common in __________ materials. (A) Non-crystalline solid (B) Crystalline (C) Rubbery (D) Non-crystalline organic polymeric

Last Answer : (D) Non-crystalline organic polymeric

Description : Which of the following is not a dielectric material? (A) Cotton, silk and paper (B) Asbestos, glass, porcelain and mica (C) Rubber and polymeric resins (D) All refractory materials

Last Answer : Option C

Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Last Answer : Answer : D

Description : A polymeric unit of starch which has a branched structure is (A) Glucose (B) Amylopectin (C) Isomaltose (D) Amylose

Last Answer : Answer : B

Description : A polymeric substance used to make parachute is – (1) Rayon (2) Viscose (3) Cotton (4) Terylene

Last Answer : (2) Viscose Explanation: Viscose is a viscous organic liquid used to make rayon and cellophane. Viscose is also used as shorthand for Viscose Rayon, thus becoming synonymous with rayon, a soft man-made fibre commonly used in dresses, linings shirts, shorts, coats, jackets, and other outer wear.

Description : 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

Last Answer : (A) Polymeric fibres are never produced by addition polymerisation

Description : Orlan fibre which is used as a wool substitute is (A) An amorphous polymer (B) A natural polymeric fibre (C) Polyacrylonitrile (D) Poly-methyl-methacrylate (PMMA)

Last Answer : (C) Polyacrylonitrile

Description : Which of the following are not polymeric? (a) Proteins (b) Polysaccharides (c) Lipids (d) Nucleic acids

Last Answer : (c) Lipids

Description : Pick out the wrong statement. (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid (B) Chemically unreactive nature of ... in the manufacture of safety matches, is converted into white phosphorous by vaporisation followed by condensation

Last Answer : (C) Red phosphorous is the most reactive allotropic form of phosphorous

Description : Viscoelastic behaviour is observed in __________ materials. (A) Non-crystalline organic polymeric (B) Ceramic (C) All crystalline (D) All amorphous

Last Answer : Non-crystalline organic polymeric

Description : Which of the following is polymeric solid? a) Nylon b) Plastic c) Polythene d) All of above

Last Answer : d) All of above

Description : A solid is which atoms are in a regular order is called a) Crystalline solid b) Amorphous solid c) Polymeric solid d) Glassy solid

Last Answer : a) Crystalline solid

Description : Which of the following are not polymeric ? (1) Proteins (2) Polysaccharides (3) Lipids (4) Nucleic acids

Last Answer : (3) Lipids

Description : A polymeric substance used to make parachute is (1) Rayon (2) Viscose (3) Cotton (4) Terylene

Last Answer : Viscose

Description : List four polymeric materials.

Last Answer : Two types of polymeric materials are : A) Thermo plastic and B) Thermosetting plastic A) Thermoplastics are 1. Polythene 2. Polypropylene 3. Polystyrene 4. Nylon 5. Acrylics 6. ... (iii) Melamine-formaldehyde resins (iv) Polyester resins (v) Epoxy resins (vi) Silicone resins

Description : 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

Last Answer : (C) As a fuel in furnaces

Description : ’Drying oil’, oxidized spontaneously by atmospheric oxygen at ordinary temperature and forms a hard water proof material is (A) Coconut oil (B) Peanut oil (C) Rape seed oil (D) Linseed oil

Last Answer : Answer : D

Description : Material for rain-proof coats and tents owe their water proof properties to ----? A. Surface tension (Answer) B. Viscosity C. Specific gravity D. Elasticity

Last Answer : A. Surface tension (Answer)

Description : The unequivocal proof of DNA as the genetic material came from the studies on a (a) bacterium (b) fungus (c) viroid (d) bacterial virus.

Last Answer : (c) viroid

Description : Asbestos is (A) Corrugated sheet used for roofing (B) An incombustible fire proof material (C) An organic substance (D) All the above

Last Answer : Answer: Option D

Description : Granite is not suitable for ordinary building purpose because (A) It cannot be polished (B) It is not a fire proof material (C) It is costly (D) It has less crushing strength

Last Answer : Answer: Option C

Description : The insulating material for cables should (a) be acid proof (b) be non-inflammable (c) be non-hygroscopic (d) have all above properties

Last Answer : (d) have all above properties

Description : The final proof for DNA as the genetic material came from the experiments of : (1) Hershey and Chase (2) Avery, Mcleod and McCarty (3) Hargobind Khorana (4) Griffith

Last Answer : (1) Hershey and Chase

Description : What's the biggest bullet you failed to dodge?

Last Answer : Every parent "KIDS"

Description : If you took an armour piercing bullet, and repurposed it as an arrowhead, how effective would that arrow be at armour penetration, compared to historical arrows with armour piercing arrow heads?

Last Answer : So the question is whether a bullet can be designed to travel at the velocity of an arrow and achieve the same or better penetrating power? I would think not, and the reason is that with ... bullet shells for arrowheads on shafts would augment the penetrating power of the arrow, I would think not.

Description : Have you ever dodged a bullet? (details inside).

Last Answer : I was cruising back roads on 4 wheel drive fire trails in National Parks in Southern Illinois and on our way out there was logs blocking laying across the road. I got out and moved them and the minute ... doom on their mind .l had hot shower and another 50 years to live on my mind. Fucktards

Description : ask-public "mark-up" is a simplified sub-set of Textile. Why not include bullet points?

Last Answer : Why don’t you manually segment? Most of us are smart enough to infer from context what you might be trying to say. It’s not that much extra effort.

Description : Suppose that, instead of bouncing off the floor and into the chair, the bullet had hit someone and killed them. What rationalization would gun advocates use to defend this guy?

Last Answer : It’s too bad he didn’t shoot off his manhood. At least that way he couldn’t reproduce.

Description : What can I do with hundreds of empty .22 bullet casings?

Last Answer : answer:Is Halloween not almost upon you? Make a fake corpse and position it in your drive way, pour some thick red beet juice around it, scatter the casings around, and then play a loud machine gun sound in the middle of the night.

Description : Would you think less of someone who loves you but is not willing to take a bullet for you?

Last Answer : No. It would mean they are not a codependent martyr. Bah…the insane romantic notions that still permeate our world. I’m not dying for anyone and I sure as hell don’t expect anyone to die for me. lol

Description : Would you take a job that requires taking a bullet for someone?

Last Answer : Not as a job,but I would take a bullet for my loved ones. Hmmmm….no pay for that? Something wrong there XD

Description : What determines how much a bullet "tabs in" in MS word?

Last Answer : answer:Assuming your formatting is done in inches or millimeters, then it's simply paragraph formatting. If it's done in points' (a type of formatting that I haven't used) then it may also be ... and start there. This can also be related to / controlled by whatever Style you may have applied.

Description : How can I move all my bullet points to the left?

Last Answer : answer:aha! I know this! : ) (like to go forwards in ie you hit )

Description : Metal plate stopping a 19th century bullet?

Last Answer : Your question makes perfect sense. You want to know the penetration of a particular bullet at a specific speed into a specific metal. We do a lot of shooting in this neck of the woods. (I figured you ... . There are too many variables and combinations, none of which am I willing to try on my person.