2198Civil EngineeringMedium
For design of sewers, percentage of sewage discharge is assumed________?
A85%
B70 to 75%
C65 to 70%
D75 to 80%
Correct answer
D. 75 to 80%
Explanation
The correct answer is 75 to 80%.
Correct answer
D. 75 to 80%
Explanation
The correct answer is 75 to 80%.
The design period in years for pumping plants, is________?
3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is________?
Orthotolidine test is used for determination of________?
Minimum potential energy of a system will be in the position of________?
The purpose of providing fillet in a rail section is to________?
The strength of concrete after one year as compared to 28 days strength is about________?