A. Q/(B × D)
B. Q/(L × D)
C. Q/L
D. Q/(B × L)
A. Bio-Chemical Oxygen Demand (B.O.D.)
B. Dissolved Oxygen (D.O.)
C. Chemical Oxygen Demand (C.O.D.)
D. None of these
A. 90 %
B. 95 %
C. 99 %
D. 9.9 %
Water content of sewage is about___________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Parabolic
B. Circular
C. Rectangular
D. New egged
A. Hydrology
B. Dissolved oxygen in water
C. Temperature
D. All the above
The factor responsible for purification of sewage in river is________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 45 %
B. 50 %
C. 55 %
D. 60 %
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
