______________ is a thermosetting plastic?

Related Mcqs:

1. Thermosetting plastic materials____________________?

   A. Can be repeatedly melted
   B. Is useful for melt casting
   C. Cannot be melted after forming
   D. Is useful for spinning

2. ____________________ is a thermosetting plastic ?

   A. Polythene
   B. Epoxy polymer
   C. P.V.C.
   D. Polystyrene

3. Thermosetting materials ______________________?

   A. Are cross-linked molecules
   B. Soften on application of heat
   C. Are solvent soluble
   D. None of these

4. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is ______________ percent?

   A. 10
   B. 50
   C. 80
   D. 95

5. Sand and ______________ is fused at 1300°C, to produce sodium silicate ?

   A. Limestone
   B. Soda ash
   C. Coke
   D. Sodium sulphate

6. Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

   A. SO3
   B. Cl2
   C. NH3
   D. SO2

7. Alcohol content in freshly prepared natural and fortified wine may be respectively around ______________ percent ?

   A. 7-14 and 14-30
   B. 7-14 and 40-50
   C. 14 – 30 and 40-50
   D. 10 – 20 and 40 – 50

8. ______________ is produced by the dehydrogenation of ethyl benzene ?

   A. Styrene
   B. Ethyl alcohol
   C. Cumene
   D. Phenol

9. Polythene is a/an ______________ polymerisation product?

   A. Addition
   B. Condensation
   C. Thermosetting
   D. None of these

10. Hollander beater used during paper pulp manufacture does not facilitate the ______________ of fiber?

    A. Cutting
    B. Fibrillation
    C. Hydration
    D. Strengthening