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 A. A sewer drops from a height
B. A branch sewer joins the main sewer at higher level
C. A lamp is inserted to check obstruction
D. None of these
A drop manhole is provided if__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Comminutor
B. Shredder
C. Both A. and B.
D. Neither A. nor B.
A. Potassium permanganate
B. Sulphuric acid and napthamine
C. Phenol-di -sulphuric acid and potassium hydroxide
D. None of these
A. Free board of 0.3 m may be provided
B. The baffles or tees are extended up to top level of scum
C. The clear space between the baffle top and covering slab is about 7.5 cm
D. All the above
In septic tanks__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Highly resistant to sulphide corrosion
B. Highly impervious
C. Hydraulically efficient because of their smooth interior surface
D. Especially suited to pressure pipes
Stone ware pipes are_______________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 1.095
B. 1.085
C. 1.075
D. 1.065
