Waste Water Engineering Mcqs

Q.  The presence of free ammonia in sewage, is detected by___________________?

a. Boiling
b. Adding potassium permanganate
c. Adding sulphuric acid
d. Phenol-di-sulphuric acid


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, is
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In sewage, the solids in mg per litre is__________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The gas evolved in sewers is________________?
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MCQs:  If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?
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MCQs:  The sewer which transports the sewage to the point of treatment, is called________________?
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MCQs:  To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of_______________?
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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____________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Fresh sewage may become stale in_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The standard B.O.D. of water is taken for_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts