If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is_________________?
A. 100 cm
B. 90 cm
C. 80 cm
D. 50 cm
Civil Engineering Mcqs
Skimming tanks are__________________?
Skimming tanks are__________________?
A. Used to remove the grease and oil
B. Those from which sludge is skimmed out
C. Tanks provided with self- cleansing screens
D. Improved version of grit chambers
The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by______________________?
The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by______________________?
A. Bazin
B. Crimp and Bruges
C. William-Hazen
D. Kutter
The sewer which resists sulphide corrosion, is____________________?
The sewer which resists sulphide corrosion, is____________________?
A. Brick sewer
B. Cast iron sewer
C. R.C.C. sewer
D. Lead sewer
The rainfall at any place may be determined by__________________?
The rainfall at any place may be determined by__________________?
A. Its intensity
B. Its direction
C. Its frequency
D. All the above
The sludge does not contain waste water from_________________?
The sludge does not contain waste water from_________________?
A. Bath rooms
B. Wash basins
C. Kitchen sinks
D. Toilets
R.M.O. expenses include___________________?
R.M.O. expenses include___________________?
A. Running expenses
B. Maintenance expenses
C. Operation expenses
D. All the above
1000 kg of sewage contains________________?
1000 kg of sewage contains________________?
A. 0.112 kg in suspension
B. 0.112 kg in solution
C. 0.225 kg in solution
D. Both A. and C. of above
For treating the sewage of a large city, you will recommend_________________?
For treating the sewage of a large city, you will recommend_________________?
A. A sedimentation tank and an activated sludge treatment plant
B. A plant consisting of Imhoff tanks with low rate trickling filters
C. Sedimentation tanks with high rate trickling filters
D. None of these
The sewer which received discharge from two or more main sewers, is known as_______________?
The sewer which received discharge from two or more main sewers, is known as_______________?
A. A trunk sewer
B. An outfall sewer
C. A main sewer
D. An intercepting sewer