Period of cleaning of slow sand filters is about – McqOptions

MCQOPTIONS

1.	Period of cleaning of slow sand filters is about
A.	24 - 48 hours
B.	10 - 12 days
C.	2 - 3 months
D.	1 - 2 year
Answer» D. 1 - 2 year

Discussion

No Comment Found

Related MCQs

Assertion A: The consumption of water increases with increase in the distribution pressure.Reason R: Higher distribution pressure causes more loss and waste of waterSelect your answer according to the coding system given below%!
The suitable layout of a distribution system for irregularly growing town is%!
The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is%!
Double filtration is used%!
The dissolved oxygen level in natural unpolluted waters at normal temperature is found to be of the order of%!
The type of sewer which is suitable for both combined and separate system is%!
Select the correct relationship between porosity (N), specific yield (y) and specific retention (R)%!
If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be%!
The pathogens can be killed by%!
Disinfection efficiency is%!