Flexible plastic pipes are made of
(A) High density polyethylene (HDPE)
(B) Low density polyethylene (LDPE)
(C) Polypropylene
(D) Unsaturated polyester

1 Answer

Answer :

(B) Low density polyethylene (LDPE)

Related questions

Description : The most commonly used resin for making reinforced plastic is (A) Unsaturated polyester (B) Polypropylene

Last Answer : (A) Unsaturated polyester

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 is made up of : (1) Polyamide (2) Polyester (3) Polyethylene (4) Polypropylene

Last Answer : Polyamide

Description : What is the r-value of HDPE (high density polyethylene)?

Last Answer : Great question for Google.

Description : Contact lenses for eyes are made of Perspex, which is nothing but (A) poly-methyl-methacrylate (B) Polystyrene (C) Unsaturated polyester (D) Polypropylene

Last Answer : (A) poly-methyl-methacrylate

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

Description : Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten (A) Saturated polyester (B) Polyurethane (C) Polystyrene (D) Either (B) or (C)

Last Answer : (D) Either (B) or (C)

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 : __________ is normally used for the manufacture of refrigerator components and transistor parts. (A) Polypropylene (B) Polystyrene (C) Polyester (D) Polyurethane

Last Answer : (B) Polystyrene

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 : Zeigler process (A) Produces high density polyethylene (B) Produces low density polyethylene (C) Uses no catalyst (D) Employs very high pressure

Last Answer : (A) Produces high density polyethylene

Description : Floppy disks which are made from flexible plastic material are also called? A) Hard disks B) High-density disks C) Diskettes D) Templates

Last Answer : Answer : C

Description : Floppy disks which are made from flexible plastic material are also called? a. Hard disks b. High-density disks c. Diskettes d. Templates

Last Answer : Diskettes

Description : Floppy disks which are made from flexible plastic material are also called? a. Hard disks b. High-density disks c. Diskettes d. Templates

Last Answer : c. Diskettes

Description : Floppy disks which are made from flexible plastic material are also called? a. Hard disks b. High-density disks c. Diskettes d. Templates

Last Answer : c. Diskettes

Description : Where can I buy polyethylene pipes?

Last Answer : You can buy polyethylene at any of your local hardware stores such as Home Depot lowes and ace hardware. All of them stores have polyethylene pipes and all the accessory to fix your water pipes.

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 : Dacron is a/an (A) Polyester (B) Unsaturated polyester (C) Polyamide (D) Inorganic polyme

Last Answer : (A) Polyeste

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

Description : The main use of butadiene is (A) As a plasticiser for unsaturated polyester (B) In the manufacture of synthetic rubber (C) As an anti-skimming agent in paint (D) None of these

Last Answer : (B) In the manufacture of synthetic rubber

Description : Dacron is a/an (A) Polyester (B) Unsaturated polyester (C) Polyamide (D) Inorganic polymer

Last Answer : (A) Polyester

Description : Aryl benzene sulphonate (ABS) is a (A) Detergent (B) Plasticiser for unsaturated polyester (C) Starting material for the synthesis of glycerine (D) Coating ingredient for photographic film

Last Answer : (A) Detergent

Description : The major use of butadiene is (A) As a plasticiser for unsaturated polyester (B) In the manufacture of synthetic rubber (C) As an anti-skinning agent in paint (D) None of these

Last Answer : (B) In the manufacture of synthetic rubber

Description : Carbon disulphide is mainly used in the production of(A) Viscose rayon (B) Corundum (C) Plasticiser for unsaturated polyester (D) Paints

Last Answer : (A) Viscose rayon

Description : Transistor parts and refrigerator components are normally made of (A) Polystyrene (B) Polyester (C) High density polythene (D) Polyurethane

Last Answer : (A) Polystyrene

Description : In fiber optics, PCS stands for ∙ a. Plastic-clad-silica ∙ b. Polyethylene-clad-silica ∙ c. Personal carrier system ∙ d. Personal communication

Last Answer : ∙ a. Plastic-clad-silica

Description : Low density polythene as compared to high density polythene is (A) Harder (B) Tougher (C) Chemically inert (D) More flexible

Last Answer : (D) More flexible

Description : Asbestos pipes are (A) Light in weight and easy to transport (B) Highly resistant to corrosion (C) High flexible to accommodate deflection upto 12° (D) All the above

Last Answer : (D) All the above

Description : Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint. (A) Flanged iron (B) Collar (C) Flexible (D) Expansion

Last Answer : Option B

Description : So what is the correct answer? What is the "R" value of 1" of HDPE? Is it 3.33?

Last Answer : 1 inch pipe = maximum initial thermal conductivity of 0.18 Btu-in/hrft2—° F.

Last Answer : HDPE - High Density Poly Ethylene

Description : Asbestos pipes are joined by means of (A) Flanged joint (B) Flexible joint (C) Dresser coupling joint (D) Simplex joint

Last Answer : (D) Simplex joint

Description : The joint used for joining the plain ends of cast iron pipes, is  (A) Flanged joint  (B) Socket and spigot joint  (C) Dresser coupling joint  (D) Flexible joint 

Last Answer : (C) Dresser coupling joint 

Description : Plastic tubes & pipes are generally made by __________ moulding. (A) Injection (B) Transfer (C) Extrusion (D) Compression

Last Answer : (C) Extrusion

Description : Hot drink (e.g., tea) cups are usually made of (A) Polystyrene (B) Polythene (C) Polypropylene (D) PVC

Last Answer : (A) Polystyrene

Description : Liners of bags are usually made of (A) Polythene (B) PVC (C) Polypropylene (D) Polyesters

Last Answer : (C) Polypropylene

Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Last Answer : (C) Buckets

Description : Lead is poured into the joints between two __________ pipes. (A) Cast iron (B) Steel (C) Concrete (D) Plastic

Last Answer : (A) Cast iron

Description : Where can I find flexible plastic?

Last Answer : You don't say what you're going to do with your cylinder but could you use something like this, a plastic chair mat, from an office supply store? The plastic is pretty strong, but still flexible. ... little cleats in it like the ones for carpeting. And if you look around you might find one cheaper.

Description : What do you call the flexible plastic used on binder covers and file folders?

Last Answer : I think what you are talking about, is a form of Polyethylene.

Description : What is a flexible object or a full plastic object ?

Last Answer : An object is called a soft object or a full plastic object if it is distorted by applying force on it from outside.

Description : Maximum shear stress theory is used for (A) Cast iron shafts (B) Steel shafts (C) Flexible shafts (D) Plastic shafts

Last Answer : (B) Steel shafts

Description : Plastics as a material of construction suffer from the drawback of low (A) Machinability (B) Density (C) Strength (D) Plastic deformatio

Last Answer : Option C

Description : Commercial production of polypropylene employs __________ polymerisation. (A) Emulsion (B) Suspension (C) Solution (D) Bulk

Last Answer : (C) Solution

Description : Which of the following is a copolymer? (A) Polystyrene (B) SBR (C) PTFE (D) Polypropylene

Last Answer : (B) SBR

Description : In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is (A) Terylene (B) Polybutadiene (C) PVC (D) Polypropylene

Last Answer : (A) Terylene

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

Description : Polypropylene is preferred to polythene, because the former is (A) Non-inflammable (B) Harder (C) Stronger (D) Both (B) & (C)

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

Description : __________ is a copolymer. (A) Nylon-66 (B) Polypropylene (C) PVC

Last Answer : (A) Nylon-66

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

Last Answer : (B) PVC