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PPSC CE_QUIZ 3
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Which of the following removes hardness completely
A flash mixer of 2 m3, with a velocity gradient of mixing mechanism equal to 400s-1 and fluid absolute viscosity of 0.002 N-s/m2 is continuously operated. What is the power input required?
For a grit channel, if the recommendation flow velocity is 0.25 m/s and the detention period is 1.2 minute, then the length of tank is
In water treatment, the manual screens are kept inclined at an angle of
Which of the following represents the approximately overflow rate (liters/hours/m2) for the plain sedimentation tank?
Chlorine usage in the treatment of 20000 cumecs of water per day is 8 kg. The residual after 10 minute contact is 0.15 mg/l. The chlorine dosage and demand of water in mg/l are respectively:
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Tags :AE & JE Exams
Apr 18AE & JE Exams