Waste Water Engineering Mcqs

Q.  In the activated sludge process__________________?

a. Aeration is continued till stability
b. Aeration is done with an admixture of previously aerated sludge
c. Sludge is activated by constant stirring
d. Water is removed by centrifugal action


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MCQs:  The sewer pipes__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The spacing of bars for perforations in coarse screens used for the treatment of sewage, is ____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the correct statement from the following?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The pH value of fresh sewage is usually ______________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is_____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Lead caulked joints are used for laying____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the correct statement from the following?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the correct statement from the following ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The quantity of liquid waste which flows in sewers during the period of rainfall, is known__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Depletion of ozone layer in the outer atmosphere may cause___________________ ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is_____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which one of the following gases is most significant as air pollutant ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  For sewers, inverted siphon is provided for___________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick up the incorrect statement from the following ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  For large sewers, maximum distance between manholes may be_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pathogens (or pathogenic bacterias) in water may cause___________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The screens are fixed___________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts