Waste Water Engineering Mcqs


Q.  If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?

a. Hydrogen sulphide
b. Carbon dioxide
c. Methane
d. Oxygen


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Skimming tanks are__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  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_________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
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Category: Civil Engineering Mcqs,   Published by: teswesm
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Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  In a trickling filter_________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The rate of accumulation of sludge in septic tanks is recommended as____________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  15 cumecs, the depth d and width are related by For drains up to___________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  Self-cleansing velocity is__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  A well oxidized sewage contains nitrogen mainly as___________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  In a sludge tank, the gas mainly produced, is_________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  are available in size Stoneware sewers________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  In normal conditions, the period for sludge digestion, is_______________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  In trickling filter, B.O.D. is reduced to___________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The grit chambers of sewage treatment plants, are generally cleaned after__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  Maximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  running partially full with central angle , For a circular sewer of diameter__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  In the activated sludge process__________________?
Category: Civil Engineering Mcqs,   Published by: teswesm