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
A. 1.250 D
B. 1.350 D
C. 1.425 D
D. 1.625 D
A. A jar
B. A breaker
C. A test tube
D. An Imhoff cone
A. 65 to 70%
B. 70 to 75%
C. 75 to 80%
D. 85%
For design of sewers, percentage of sewage discharge is assumed_____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Lower end of ventilating column
B. Upper end of ventilating column
C. Upper end of the manhole
D. First step in manhole
‘Cowl’ is provided at___________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering