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Waste Water Engineering
Tough Waste Water Engineering
Quiz 1
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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
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