A. 1.5
B. 2.0
C. 3.0
D. 4.0
A. Flow velocity 0.15 m to 0.3 m/sec is kept
B. Depth of 0.9 m to 1.20 m is kept
C. One minute of detention period is kept
D. All the above
In a grit chamber of a sewage treatment plant ____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Methane gas
B. Hydrogen sulphide
C. Carbondioxide gas
D. Diesel vapours
Lead acetate test in sewer manhole is done to test the presence of ____________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. City
B. Out-fall
C. Tail end
D. Any point
Setting out the alignments of sewers may start from__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. Air pressure pump
The most widely used pump for lifting sewage is_________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 2.5 to 3.0 m/sec
B. 3.0 to 4.0 m/sec
C. 3.5 to 4.5 m/sec
D. 4.5 to 5.5 m/sec
A. Large suspended organic solids
B. Oil and grease
C. Sand and girt
D. Floating materials
Primary treatment of sewage consists of removal of__________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. 1 in 5
B. 1 in 10
C. 1 in 15
D. 1 in 20
A. Thyroid
B. Kidneys
C. Eyes
D. Ovaries/testis
Which one of the following part of human body withstands minimum radiation ? Read More »
Civil Engineering Mcqs, Waste Water Engineering A. cm/minute
B. cm/hour
C. cm/day
D. None of these
The intensity of rain is expressed in________________? Read More »
Civil Engineering Mcqs, Waste Water Engineering