Environmental Engineering Mcqs


Q.  The effective size of sand particles used in slow sand filters is_______________?

a. 0.25 to 0.35 mm
b. 0.35 to 0.60 mm
c. 0.60 to 1.00 mm
d. 1.00 to 1.80 mm


ANSWER: See Answer
 
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MCQs:  The time of concentration is defined as_______________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The self cleansing velocity for all sewers in India is usually_________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The design discharge for the separate sewer system shall be taken as_____________?
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MCQs:  The minimum and maximum diameters of sewers shall preferably be_________________?
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MCQs:  Most suitable section of sewer in separate sewage system is________________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The velocity of flow does not depend on_______________?
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MCQs:  The effect of increasing diameter of sewer on the self cleansing velocity is_____________?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The type of sewer which is suitable for both combined and separate system is_____________?
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MCQs:  The pathogens can be killed by_______________?
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MCQs:  Sewage treatment units are normally designed for______________?
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MCQs:  Standard BOD is measured at________________?
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MCQs:  The rate of BOD exerted at any time is_____________?
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MCQs:  In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be___________?
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MCQs:  The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is______________?
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MCQs:  Facultative bacteria are able to work in________________?
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MCQs:  Sewerage system is designed for_______________?
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MCQs:  Laying of sewers is usually done with the help of________________?
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MCQs:  If the sewage contains grease and fatty oils, these are removed in_________________?
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MCQs:  Which of the following unit works in anaerobic conditions ?
Category: Civil Engineering Mcqs,   Published by: teswesm
MCQs:  The maximum efficiency of BOD removal is achieved in______________?
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