The septic tank should be cleaned at regular intervals but should not exceed:
A5 years
B7 years
C10 years
D3 years
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Out of the following equipment........................is most suitable for the removal of gaseous pollutants:
Which of the following sewer appurtenances discharge the excess sewage flow to relief sewer?
In treating swimming pool, water the filtration system to be used IS
Shallow ponds in which dissolved oxygen is present at are depth are called:
The lowest point of the interior of a sewer or drain at any cross section is called: