Related Questions

Polyvinyl chloride (PVC) is
A A thermosetting material
B A condensation polymerisation product
C Made by employing emulsion polymerisation
D None of these
Polyvinyl chloride (PVC)
A Is produced by polycondensation reaction
B Uses either emulsion or suspension polymerisation methods
C Can be made thermosetting by adding a plasticiser
D Softening temperature is 200°C
Polyvinyl chloride containers are not suitable for storing
A Foodstuffs
B Woolen clothes
C Metallic powder
D None of these
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
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C.
A -20
B 50
C 250
D 500
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%
Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
A Concrete
B Steel
C Zircalloy
D Graphite
Polyvinyl acetate is never used for making
A Moulded articles
B Fibres
C Adhesives
D All of the above

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