37701. Vulcanisation of rubber does not increase its
37702. In nylon-6, the number 6 represents the total number of
37703. Cellulose content in bomboo fibre is about __________ percent.
37704. In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of
37705. Which of the following has the weakest intermolecular forces ?
37706. Properties of a polymer is affected by the
37707. In condensation polymerisation as compared to addition polymerisation
37708. In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher
37709. Which type of M.is used in air conditioners?
37710. Which type of the extinguisher is used on electrical fire?
37711. Styrene butadiene rubber (SBR) is never used for making
37712. Cross linked polymers are
37713. Silicone resins, which are highly water repellant and has good heat resistance can not be used
37714. Nichrome is widely used for
37715. Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
37716. Nylon-66 compared to nylon-6 has
37717. Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
37718. Synthetic rubber
37719. Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
37720. In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
37721. Cation exchange resins used in water treatment is made from __________ resin.
37722. Size range of polymer molecules varies from __________ metre.
37723. Which of the following is generally not drawn into fibre ?
37724. Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.
37725. Which of the following is not a natural polymer ?
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions