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Civil Engineering Mcqs — Test 89

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Question 1
The most efficient cross-section of sewers in a combined sewerage system is________________?
Question 2
Water content of sewage is about___________________?
Question 3
The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known_________________?
Question 4
5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________?
Question 5
In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is_______________?
Question 6
Dried sewage after treatment is used as____________________?
Question 7
In areas where rainy season is limited to a few months, the type of sewerage system recommended is__________________?
Question 8
Which one of the following statements regarding septic tanks is wrong ?
Question 9
The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________?
Question 10
‘Cowl’ is provided at___________________?