Related Questions

The digested sludge from septic tanks, is removed after a maximum period of
A 3 years
B 3.5 years
C 4 years
D 5 years
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
The gas from sludge digestion tank is mainly composed of
A Nitrogen
B Carbon dioxide
C Hydrogen sulphide
D Methane
In normal conditions, the period for sludge digestion, is
A 10 days
B 20 days
C 30 days
D 60 days
The first stage of neutral process of sludge digestion, is
A Acid fermentation
B Acid regression
C Alkaline fermentation
D None of these
The principal gas evolved from sludge digestion tank is
A CO
B CO2
C CH4
D N2
For normal sludge, the value of sludge index for Indian conditions is
A 0 to 50
B 50 to 150
C 150 to 350
D 350 to 500
'Some books are to be tasted, others to be swallowed and some few to be chewed and digested." said----
A Joseph Addison
B Dr. Johnson
C Charles Lamb
D Francis bacon
Who wrote 'some books are to be tasted, others to be swallowed, and some few to be chewed and digested'?
A Joseph Addison
B Francis Bacon
C Dr. Johnson
D Charles Lamb
Who wrote some books are to be tasted,others to swallowed, and some few to be chewed and digested ?
A Joseph Addison
B France Bacon
C Dr. Johnson
D Charles Lamb

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