Assertion (A) : The minimum self cleansing velocity in the sewer, at least once a day, must be generated.
Reason (R) : If certain deposition takes place and is not removed, it obstructs free flow and causes further deposition leading to complete blocking of the sewer.
Options
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 a correct explanation of A
C. A is true but R is false
D. A is false but R is true.
Correct Answer
Both A and R are true and R is the correct explanation of A
More questions
1. The increased cohesiveness of concrete, makes it
Options
A. less liable to segregation
B. more liable to segregation
C. more liable to bleeding
D. more liable for surface scaling in frosty weather