Civil Engineering Mcqs — Test 43
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Question 1
Generally the detention period for grit chambers is kept as_______________?
Question 2
Septic tank is a______________?
Question 3
Corrosion in concrete sewers is caused by______________?
Question 4
Sewage treatment units are designed for_______________?
Question 5
The means of access for inspection and cleaning of sewer line is known as_______________?
Question 6
Dissolved oxygen in streams is______________?
Question 7
The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is______________?
Question 8
The ratio of 5 day BOD to ultimate BOD is about_______________?
Question 9
The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by_______________?
Question 10
Settling velocity increases with_______________?