MCQs: The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is_______________?
Category: Civil Engineering Mcqs, Published by: teswesm
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MCQs: Pick up the in-correct statement from the following?
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MCQs: 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of_________________?
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MCQs: In areas where light rains are uniformly distributed throughout the year, the type of sewerage system to be adopted is_______________?
Category: Civil Engineering Mcqs, Published by: teswesm
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MCQs: Dried sewage after treatment is used as____________________?
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MCQs: In areas where rainy season is limited to a few months, the type of sewerage system recommended is__________________?
Category: Civil Engineering Mcqs, Published by: teswesm
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MCQs: Which one of the following statements regarding septic tanks is wrong ?
Category: Civil Engineering Mcqs, Published by: teswesm
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MCQs: The normal value of over flow rates for plain primary sedimentation tanks, ranges between________________?
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MCQs: The pH value of sewage is determined with the help of_________________?
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MCQs: To maintain aerobic biological activity, the moisture content of the compost mass should be about_________________?
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MCQs: The factor responsible for purification of sewage in river is________________?
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MCQs: The most efficient cross-section of sewers in a combined sewerage system is________________?
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MCQs: Water content of sewage is about___________________?
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MCQs: The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known_________________?
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MCQs: In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is____________________?
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MCQs: Sewer ventilating columns are generally placed at_______________?
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MCQs: In sewers the effect of scouring is more on__________________?
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MCQs: In sewers the velocity of flow should not be_________________?
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MCQs: For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of________________?
Category: Civil Engineering Mcqs, Published by: teswesm
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MCQs: The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is_________________?
Category: Civil Engineering Mcqs, Published by: teswesm
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