A. Blow moulding
B. Vacuum thermo forming
C. Injection moulding
D. None of these
Correct Answer: Vacuum thermo forming ✔
Last Updated: March 08, 2019
Related MCQs
- Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to __________?
- Main constituent of natural rubber is__________?
- Vinyl flooring is done using __________ sheets?
- Which of the following polymers does not belong to the class of Polyacrylate polymer ?
- Pick out the correct statement ?
- Viscose rayon is __________?
- Branched chair polymers as compared to linear polymers have __________?
- __________ scrap can be recycled & reutilised?
- Which of the following is a copolymer ?
- Polyvinyl chloride (PVC) is __________?
- Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces__________?
- Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces__________?
- Neoprene is chemically known as __________?
- Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its__________?
- Which of the following is generally not used as eord for synthetic rubber tyre casing ?
- Which of the following is not present in bagasse fiber?
- Dacron is a/an __________?
- Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E. (poly chloro tetra fluoro ethylene). It is also called __________?
- Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of__________?
- Ebonite is a/an__________?
- 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C?
- Flexible plastic pipes are made of__________?
- Buna-S is also known as__________?
- Synthetic polymer produced by using terephthalic acid and ethylene glycol is __________?
- Which of the following polymers has the tendency of decomposing before melting ?
- Which of the following polymers is used for making a non stick coating on frying pans ?
- The organic acid monomer in nylon-66 is __________?
- Non sulphonated hard bakelites are not used for making __________?
- Density of high density polythene is about __________ gm/c.c ?
- Bakelite is a/an __________?
- Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent?
- Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by __________, which decompose to give free radicals?
- The monomer of poly vinyl chloride (PVC) is__________?
- In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the__________?
- __________ is not a polyester fiber?
- Neoprene is rendered non-inflammable, because of__________?
- Thermosetting polymers as compared to thermoplastic polymers__________?
- Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used__________?
- Orion is__________?
- Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are__________?
- Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?
- Vulcanisation of rubber decreases its__________?
- Viscosity of a polymer solution or melt __________?
- The rate controlling step in the manufacture of silicone rubber is the__________?
- Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are added to polymers to act as __________?
- A copolymer is formed by the combination of two or more monomer molecules__________?
- Maximum consumption of polymers is in__________?
- __________are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?
- Addition of stabiliser during PVC manufacture is done to__________?
- Amino resins are used in paper treatment to improve its__________?
- Addition polymerisation is not involved in the manufacture of__________?