Related Questions

__________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate.
A Fibrous
B Leathery
C Rubbery
D Hard
Poly Vinyl Chloride (P.V.C.) is a __________ material.
A Thermosetting
B Thermoplastic
C Fibrous
D Chemically active
A copolymer of vinyl and vinylidine chloride is called
A Treylene
B Orlon
C Saran
D Dacron
The monomer of poly vinyl chloride (PVC) is
A Chloroethene
B Ethylene dichloride
C Ethyl chloride
D Chloroform
Poly Vinyl chloride (PVC) is a __________ material.
A Thermoplastic
B Thermosetting
C Fibrous
D Chemically active
A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will
A Cause withdrawing or throttling of steam
B Reduce length of effective stroke of piston
C Reduce maximum opening of port to steam
D All of these
Polyvinyl acetate is never used for making
A Moulded articles
B Fibres
C Adhesives
D All of the above
Vinyl flooring is done using __________ sheets.
A Polypropylene
B PVC
C Polythene
D Polyvinyl acetate
Which access method is used for obtaining a record from a cassette tape?
A Direct
B Sequential
C Random
D All of the above
E None of the above

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