Q.1
What is the SAC resin made up of?
  • a) Styrene and vinyl benzene
  • b) Divinyl benzene
  • c) Benzene and styrene
  • d) Styrene and divinyl benzene
Q.2
In a SAC resin, what is the preferred cross linking?
  • a) 6-8%
  • b) 8-10%
  • c) 10-12%
  • d) 12-14%
Q.3
What is the WAC resin made up of?
  • a) Polyacrylic acid
  • b) Polyacrylic acid with a carboxylic acid functional group
  • c) Acrylic acid with a carboxylic acid functional group
  • d) Acrylic acid
Q.4
Which type of character does the strong basic acid type I have?
  • a) High basicity
  • b) Low basicity
  • c) High boiling point
  • d) Low boiling point
Q.5
Which type of character does the strong basic acid type II have?
  • a) High basicity
  • b) Low basicity
  • c) High boiling point
  • d) Low boiling point
Q.6
For which type of pollutant contained in water the macro porous type of weak basic acid is used?
  • a) Organic contaminant
  • b) Inorganic contaminant
  • c) Heavy metals
  • d) Monochromic ions
Q.7
Which of these is not a characteristic for coarse particle sized resins?
  • a) Poor rate of exchange
  • b) More attrition loss
  • c) Low pressure drop
  • d) Good backwash expansion
Q.8
What is the uniform coefficient of resin?
  • a) Ratio of 40% retained to ratio of 90% retained
  • b) Ratio of 40% retained to ratio of 70% retained
  • c) Ratio of 40% retained to ratio of 80% retained
  • d) Ratio of 30% retained to ratio of 90% retained
Q.9
What is the specific gravity of anion resin?
  • a) 1.05-1.115
  • b) 4.4-7.3
  • c) 1.15-1.23
  • d) 1.23-1.56
Q.10
What is the surface area of the gel resin?
  • a) 0.01m2/gm
  • b) 0.5 m2/gm
  • c) 1-2m2/gm
  • d) 2-4 m2/gm
0 h : 0 m : 1 s