A. Imhoff Cone
B. Turbid meter
C. Potentiometer
D. None of these
The pH value of sewage is determined with the help of_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 25,000 to 35,000 litres/sqm/day
B. 40,000 to 50,000 litres/sqm/day
C. 50,000 to 60,000 litres/sqm/day
D. 80,000 to 100,000 litres/sqm/day
A. A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided
B. The outlet invert level is kept 5 to 7.5 cm below the inlet invert level
C. The minimum width of septic level is 90 cm
D. The depth of tank is kept equal to its width
Which one of the following statements regarding septic tanks is wrong ? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Combined system
B. Partially separate system
C. Separate system
D. None of these
A. Fertilizer
B. Building material
C. Chemical for lowering B.O.D.
D. Base material for paints
Dried sewage after treatment is used as____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Separate system
B. Combined system
C. Partially combined system
D. None of these
A. 0°C
B. 15°C
C. 20°C
D. 25°C
5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Manholes are provided in sewer pipes at suitable intervals
B. Catch basins are generally provided in sewers for carrying drainage discharge
C. Inlets are generally provided in all sewers
D. None of these
Pick up the in-correct statement from the following? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 25 %
B. 50 %
C. 10 %
D. 5 %
A. Initial demand
B. First stage demand
C. Carbonaceous demand
D. All of these
