Setting of plaster of Paris is accompanied with___________________?

Related Mcqs:

1. Heating of _______________ to 120°C, produces plaster of paris ?

   A. Blue vitriol
   B. Gypsum
   C. Calcium silicate
   D. Calcium sulphate

2. Plaster of Paris is __________________?

   A. CaSO4.½H2O
   B. Used for setting of broken bones
   C. Both A. and B.
   D. Same as gypsum

3. Zeolite used in water softening process (cation exchange) is regenerated by washing with___________________?

   A. Brine
   B. Chloramines
   C. Sodium bisulphite
   D. Liquid chlorines

4. Shrinkage volume in cement setting does not depend upon the _____________________?

   A. Sand to cement ratio
   B. Water to cement ratio
   C. Ambient temperature fluctuation
   D. Drying period

5. Cement setting under water employs a/an _______________ process ?

   A. Hydration
   B. Decomposition
   C. Oxidation
   D. Reduction

6. Insulin is an __________________ drug?

   A. Anti-malarial
   B. Anti-TB
   C. Antibiotic
   D. None of these

7. High temperature carbonisation of coal takes place at __________________ °C?

   A. 2000
   B. 700
   C. 1100
   D. < 500

8. Glycerine is a by-product of the ________________ industry ?

   A. Soap
   B. Detergent
   C. Oil hydrogenation
   D. Paint

9. Main constituents of cotton fiber is__________________?

   A. Lignin
   B. Cellulose
   C. Starch
   D. Gelatine

10. Chloramines are used in water treatment for_____________________?

    A. Disinfection and control of taste & odour
    B. Corrosion control
    C. Removing turbidity
    D. Control of bacteria