Correct answer
D. 2.5 to 3.0 m/sec
Explanation
The correct answer is 2.5 to 3.0 m/sec.
The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is________?
When the width of kerb parking space and width of street are limited, generally preferred parking system is________?
When a ship floats at its designed water line, the vertical distance from water line to the bottom of the ship is known as________?
For laying the railway track, materials required are________?
The underground sources of water, is from________?
The most reliable estimate is________?