Caprolactam, a raw material for the manufacture of nylon-6, is produced from_______________?

Related Mcqs:

1. Polycaprolactam (Nylon – 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about ______________ percent?

   A. 50
   B. 75
   C. 90
   D. 99

2. The starting material used for the manufacture of caprolactam is________________?

   A. Ethyl benzene
   B. Cyclohexane
   C. Ethylene glycol
   D. DMT

3. 90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of _____________ °C?

   A. -5
   B. 10-30
   C. 250-280
   D. 500-600

4. Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?

   A. -20 to 25
   B. 50 to 75
   C. 100 to 150
   D. 250-280

5. Nylon-6 as compared to nylon-66 is_________________?

   A. Harder
   B. More abrasion resistant
   C. Having higher melting point
   D. None of these

6. Nylon-6 as compared to nylon 66 has lower ?

   A. Abrasion resistance
   B. Thermal stability
   C. Adhesion to rubber
   D. Hardness

7. Nylon-66 compared to nylon-6 has __________________?

   A. Lower melting point
   B. More abrasion resistant properties
   C. Higher hardness
   D. All A., B. and C.

8. The conversion of caprolactam in the above case is about ____________ percent?

   A. 25
   B. 50
   C. 70
   D. 90

9. Molecular weights of plastics ranges from_______________?

   A. 1000 to 5000
   B. 5000 to 1000
   C. 20000 to 25000
   D. 109 to 1011

10. Nylon-6 is manufactured from _______________?

    A. Caprolactam
    B. Adipic acid and Hexamethylenediamine
    C. Maleic anhydride and Hexamethylenediamine
    D. Sebacic acid and Hexamethylenediamine