Waste Water Engineering Mcqs


Q.  If the grit in grit chambers is 4.5 million litres per day, its cleaning is done____________________?

a. Manually
b. Mechanically
c. Hydraulically
d. Electrically


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is__________________?
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MCQs:  In 1000 kg of sewage, the total solids approximate___________________?
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MCQs:  Before discharging the foul sewage into rivers, it is generally treated by_____________________?
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MCQs:  Aerobic activity is maximum_______________?
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MCQs:  Sewer manholes are generally provided at________________?
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MCQs:  hydraulically equivalent, the relationship which holds good, is _______________?
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MCQs:  Sewer pipes need be checked for_________________?
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MCQs:  In septic tanks, decomposition of organic bacteria, is done by_____________________?
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MCQs:  The sewerage system originates from__________________?
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MCQs:  During purification process of sewage the gas given off, is________________?
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MCQs:  Drop manholes at the junctions of sewer lines, are provided if________________?
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MCQs:  The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is____________________?
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MCQs:  Fresh sewage may become stale in_________________?
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MCQs:  The standard B.O.D. of water is taken for_________________?
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MCQs:  The gradient of sewers depends upon_________________?
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MCQs:  Removal of oil and grease from sewage, is known____________________?
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MCQs:  The ratio of minimum hourly flow to the average flow of sewage is_________________?
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MCQs:  The coagulant widely used for sewage treatment, is_________________?
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MCQs:  For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed________________?
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MCQs:  In SI units the power of sound is represented in __________________?
Category: Civil Engineering Mcqs,   Published by: teswesm