Environmental Engineering Mcqs

Q.  Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters. Reason R : The sand used in slow sand filters is finer than that in rapid sand filters. Select your answer based on the coding system given below?

a. Both A and R are true and R is the correct explanation of A
b. Both A and R are true but R is not the correct explanation of A
c. A is true but R is false
d. A is false but R is true


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The self cleansing velocity for all sewers in India is usually_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The design discharge for the separate sewer system shall be taken as_____________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The minimum and maximum diameters of sewers shall preferably be_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Most suitable section of sewer in separate sewage system is________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The velocity of flow does not depend on_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The effect of increasing diameter of sewer on the self cleansing velocity is_____________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The type of sewer which is suitable for both combined and separate system is_____________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The pathogens can be killed by_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Sewage treatment units are normally designed for______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Standard BOD is measured at________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The rate of BOD exerted at any time is_____________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
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___________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Facultative bacteria are able to work in________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Sewerage system is designed for_______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Laying of sewers is usually done with the help of________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  If the sewage contains grease and fatty oils, these are removed in_________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following unit works in anaerobic conditions ?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The maximum efficiency of BOD removal is achieved in______________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  In facultative stabilization pond, the sewage is treated by________________?
Category: Civil Engineering Mcqs,   Published by: T-Code Scripts