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PPSC CE_QUIZ 5
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Question 1
In a complete mix process
Qo = 10000 m3/day
BOD after PST = 150 mg/lit
Efficient BOD = 20 mg/lit
Volume of Aeration tank = 2000 m3
MLSS = 3000 mg/lit
F/M ratio will be
Question 2
A grit chamber has dimensions 15m * 2.0 m * 1.0 m liquid depth has a flow of 750 m3/hr. its surface loading rate is
Question 3
Aerobic method of composting is also known as
Question 4
The value of “C” of Indian type W.C. shown in the figure given below is
Question 5
A sewer, 1000 mm in diameter is laid at a slope to obtain a velocity of 0.8 m/s when running full. Assuming Manning’s formula as constant, what is the velocity in this sewer if it is running half full?
Question 6
The ventilation in sewers is needed to avoid the
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AE & JE ExamsApr 20AE & JE Exams