A. 1-1000
B. 1000-1500
C. 1500-2000
D. 2000-2500
A. Organic peroxides
B. Sulphuric acid
C. Hydrofluoric acid
D. None of these
A. Chloroethane
B. Ethylene dichloride
C. Ethyl chloride
D. Chloroform
The monomer of poly vinyl chloride (PVC) is__________________? Read More »
Polymer Technology A. Hexamethylene diamine and the ring
B. Hexamethylene diamine and the adipic acid
C. Adipic acid and the ring
D. None of these
A. Terylene
B. Dacron
C. Nylon
D. Polyacrylonitrile
_____________ is not a polyester fiber? Read More »
Polymer Technology A. Its cross-linked structure
B. Its linear chain structure
C. The presence of chlorine atoms in its monomer
D. The absence of chlorine atoms in its monomer
Neoprene is rendered non-inflammable, because of_____________________? Read More »
Polymer Technology A. Are formed by addition polymerisation
B. Have three dimensional structure
C. Have linear structure
D. None of these
Thermosetting polymers as compared to thermoplastic polymers_____________________? Read More »
Polymer Technology A. For surface coating of automobiles & air crafts
B. For fibre making
C. As plasticiser for PVC & nitrocellulose
D. For film forming materials
A. A copolymer
B. A condensation polymer
C. Obtained by polymerising vinyl cyanide
D. All A., B. and C.
Orion is_________________? Read More »
Polymer Technology A. 5°C and 1 kgf/cm2
B. – 20°C and 1 kgf/cm2
C. 0°C and 1 kgf/cm2
D. 0°C and 3 kgf/cm2
